Compare Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

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Compare Lenovo IdeaPad 3 15IAU7 Core i7-1255U Iris Xe 16GB 512GBwith Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Feature

Lenovo IdeaPad 3 15IAU7 Core i7-1255U Iris Xe 16GB 512GB

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Size and Dimensions 19.9 * 236.5 * 359.2 millimeter (mm) 17.9 * 220.7 * 324 millimeter (mm)
Product Weight 1.6 kilogram (kg) 1.64 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography
Integrated Graphics with Processor
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb)
Storage Type
Internal Memory Details
Display Size 15.6 inch 14 inch
Panel Technology
Display Resolution FHD - 1920×1080 FHD - 1920×1080
Refresh Rate 60 hertz (hz) 60 hertz (hz)
Display Panel Coating Type Matte Matte
Touchscreen Capability false false
Other Display Features 300 nits brightness / 800:1 contrast ratio / 45% NTSC color gamut coverage -
Ethernet Port false true
Wireless Network Capability true true
Bluetooth Support true true
VGA Port false false
HDMI true true
DVI Port false false
USB Type C port true true
Thunderbolt Support false true
Presence of headphone/microphone jack true true
Battery size and capacity 3-cell battery with 45 Wh capacity Battery with 57 Wh capacity
Charger Type -
Optical Drive false false
Webcam true true
Webcam Details
Fingerprint Sensor false false
Card Reader true false
Speaker Type 2 x 1.5W speakers with Dolby Audio support Internal stereo speakers
Dedicated Graphics Processor Specs -
Dedicated Graphics Memory - 2GB GDDR6 type
Backlit Keyboard - false

Compare Dell Inspiron 16 5630 Core i7-1360P RTX 2050 16GB 1TBwith Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Feature

Dell Inspiron 16 5630 Core i7-1360P RTX 2050 16GB 1TB

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Size and Dimensions 18.2 * 251.7 * 356.7 millimeter (mm) 17.9 * 220.7 * 324 millimeter (mm)
Product Weight 1.94 kilogram (kg) 1.64 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 13th Gen Core i7 processors / 12 cores / 16 threads / 10nm lithography 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography
Dedicated Graphics Processor Specs
Integrated Graphics with Processor
Dedicated Graphics Memory 4GB GDDR6 type 2GB GDDR6 type
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb) 1 terabyte (tb)
Storage Type
Internal Memory Details
Display Size 16 inch 14 inch
Panel Technology
Display Resolution WUXGA - 1920×1200 FHD - 1920×1080
Refresh Rate 60 hertz (hz) 60 hertz (hz)
Display Panel Coating Type Matte Matte
Touchscreen Capability false false
Other Display Features 300 nits brightness / ComfortView Plus blue light reduction technology -
Ethernet Port false true
Wireless Network Capability true true
Bluetooth Support true true
Wireless Communication Details -
VGA Port false false
HDMI true true
DVI Port false false
USB Type C port true true
Thunderbolt Support true true
Presence of headphone/microphone jack true true
Battery size and capacity 4-cell battery with 54 Wh capacity Battery with 57 Wh capacity
Charger Type -
Optical Drive false false
Webcam true true
Webcam Details
Backlit Keyboard true false
Fingerprint Sensor true false
Card Reader false false
Speaker Type 2 x 2.5W speakers with Waves MaxxAudio Pro technology and Dolby Atmos support Internal stereo speakers

Compare Dell Inspiron 13 5310 Core I7 11370H Mx450 16Gb 512Gbwith Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Feature

Dell Inspiron 13 5310 Core I7 11370H Mx450 16Gb 512Gb

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Size and Dimensions 13.9 * 210 * 296.7 millimeter (mm) 17.9 * 220.7 * 324 millimeter (mm)
Product Weight 1.31 kilogram (kg) 1.64 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 11th Gen Core i7 processors / 4 cores / 8 threads / 10nm lithography 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography
Dedicated Graphics Processor Specs
Integrated Graphics with Processor
Dedicated Graphics Memory 2GB GDDR6 type 2GB GDDR6 type
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb)
Storage Type
Display Size 15.6 inch 14 inch
Panel Technology LCD with LED backlight
Display Resolution WQXGA - 2560×1600 FHD - 1920×1080
Display Panel Coating Type Matte Matte
Touchscreen Capability false false
Other Display Features 16:9 aspect ratio -
Ethernet Port false true
Wireless Network Capability true true
Bluetooth Support true true
Wireless Communication Details -
VGA Port false false
HDMI true true
DVI Port false false
USB Type C port true true
USB Type C Port Details -
Thunderbolt Support true true
Presence of headphone/microphone jack true true
Battery size and capacity 4-cell battery with 54 Wh capacity Battery with 57 Wh capacity
Optical Drive false false
Webcam true true
Webcam Details 0.92 ** HD-720p pixel (px)
Backlit Keyboard false false
Fingerprint Sensor false false
Card Reader false false
Speaker Type 2 x 2W speakers Internal stereo speakers
Internal Memory Details -
Refresh Rate - 60 hertz (hz)

Compare Lenovo Ideapad Gaming 3 Ryzen 5 6600H Rtx 3050 32Gb 2Tbwith Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Feature

Lenovo Ideapad Gaming 3 Ryzen 5 6600H Rtx 3050 32Gb 2Tb

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Size and Dimensions 24.9 * 249.6 * 359.6 millimeter (mm) 17.9 * 220.7 * 324 millimeter (mm)
Product Weight 2.25 kilogram (kg) 1.64 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details Ryzen 5000 series / 6 cores / 12 GHz / 7nm lithography 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography
Dedicated Graphics Memory 4GB GDDR6 type 2GB GDDR6 type
GPU Details -
RAM Capacity
RAM Type
Storage Capacity 2 terabyte (tb) 1 terabyte (tb)
Storage Type
Display Size 15.6 inch 14 inch
Panel Technology
Display Resolution FHD - 1920×1080 FHD - 1920×1080
Refresh Rate 120 hertz (hz) 60 hertz (hz)
Touchscreen Capability false false
Other Display Features 250 nits brightness / 800:1 contrast ratio / 45% NTSC color gamut coverage -
Ethernet Port true true
Wireless Network Capability true true
Bluetooth Support true true
Wireless Communication Details -
VGA Port false false
HDMI true true
DVI Port false false
USB Type C port true true
USB Type C Port Details 1 USB Type-C port (USB 3.2 Gen 1) -
Thunderbolt Support false true
Presence of headphone/microphone jack true true
Battery size and capacity 45Wh 4-Cell Battery Battery with 57 Wh capacity
Optical Drive false false
Webcam true true
Backlit Keyboard true false
Fingerprint Sensor false false
Card Reader false false
Speaker Type 2 x 2W speakers with Nahimic Audio technology Internal stereo speakers
Dedicated Graphics Processor Specs -
Integrated Graphics with Processor -
Internal Memory Details -
Display Panel Coating Type - Matte
Webcam Details -

Compare Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tbwith Lenovo Thinkpad E16 Gen 1 Core I7 13700H Iris Xe 24Gb 1Tb

Feature

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Lenovo Thinkpad E16 Gen 1 Core I7 13700H Iris Xe 24Gb 1Tb

Size and Dimensions 17.9 * 220.7 * 324 millimeter (mm) 19.85 * 247.7 * 356.1 millimeter (mm)
Product Weight 1.64 kilogram (kg) 1.81 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography 13th Gen Core i7 processors / 14 cores / 20 threads / 10nm lithography
Dedicated Graphics Processor Specs -
Integrated Graphics with Processor
Dedicated Graphics Memory 2GB GDDR6 type -
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb) 1 terabyte (tb)
Storage Type
Internal Memory Details
Display Size 14 inch 16 inch
Panel Technology
Display Resolution FHD - 1920×1080 WUXGA - 1920×1200
Refresh Rate 60 hertz (hz) 60 hertz (hz)
Display Panel Coating Type Matte Matte
Touchscreen Capability false false
Ethernet Port true true
Wireless Network Capability true true
Bluetooth Support true true
VGA Port false false
HDMI true true
DVI Port false false
USB Type C port true true
Thunderbolt Support true true
Presence of headphone/microphone jack true true
Battery size and capacity Battery with 57 Wh capacity Battery with 57 Wh capacity
Optical Drive false false
Webcam true true
Webcam Details -
Backlit Keyboard false true
Fingerprint Sensor false true
Card Reader false false
Speaker Type Internal stereo speakers 2 x 2W speakers with Dolby Atmos support
Other Display Features - 16:10 aspect ratio / 300 nits brightness
USB Type C Port Details -
Charger Type -

Compare Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tbwith Lenovo Yoga 2 Pro Core i7 8GB 512GB

Feature

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Lenovo Yoga 2 Pro Core i7 8GB 512GB

Size and Dimensions 17.9 * 220.7 * 324 millimeter (mm) 12.7 * 228.6 * 330 millimeter (mm)
Product Weight 1.64 kilogram (kg) 1.4 kilogram (kg)
CPU
CPU Generation -
Processor Operating Frequency 2.00GHz to 3.10GHz
Cache Memory Size
Processor Details 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography -
Dedicated Graphics Processor Specs -
Integrated Graphics with Processor
Dedicated Graphics Memory 2GB GDDR6 type -
RAM Capacity
RAM Type -
Storage Capacity 1 terabyte (tb)
Storage Type
Internal Memory Details
Display Size 14 inch 13 inch
Panel Technology -
Display Resolution FHD - 1920×1080 QHD - 2560×1440
Refresh Rate 60 hertz (hz) -
Display Panel Coating Type Matte -
Touchscreen Capability false true
Ethernet Port true false
Wireless Network Capability true true
Bluetooth Support true false
VGA Port false false
HDMI true true
DVI Port false false
USB Type C port true false
Thunderbolt Support true false
Presence of headphone/microphone jack true false
Battery size and capacity Battery with 57 Wh capacity -
Optical Drive false false
Webcam true true
Webcam Details -
Backlit Keyboard false true
Fingerprint Sensor false false
Card Reader false true
Speaker Type Internal stereo speakers Internal stereo speakers made by JBL company
Battery life (hours) - 7:00 hour (h)
Operating System Type - Microsoft Windows 8.1 Home 64-bit version

Compare Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tbwith Microsoft Surface Laptop 6 13 Inch Core Ultra 7 165H Arc 64Gb 1Tb

Feature

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Microsoft Surface Laptop 6 13 Inch Core Ultra 7 165H Arc 64Gb 1Tb

Size and Dimensions 17.9 * 220.7 * 324 millimeter (mm) -
Product Weight 1.64 kilogram (kg) 1.38 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography 1st Gen Core Ultra processors / 16 cores / 22 threads / 7nm lithography
Dedicated Graphics Processor Specs -
Integrated Graphics with Processor
Dedicated Graphics Memory 2GB GDDR6 type -
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb) 1 terabyte (tb)
Storage Type
Internal Memory Details
Display Size 14 inch 13.5 inch
Panel Technology -
Display Resolution FHD - 1920×1080 2256×1054
Refresh Rate 60 hertz (hz) 120 hertz (hz)
Display Panel Coating Type Matte Matte
Touchscreen Capability false true
Ethernet Port true false
Wireless Network Capability true true
Bluetooth Support true true
VGA Port false false
HDMI true false
DVI Port false false
USB Type C port true true
Thunderbolt Support true true
Presence of headphone/microphone jack true true
Battery size and capacity Battery with 57 Wh capacity Battery with 47 Wh capacity
Optical Drive false false
Webcam true true
Webcam Details FHD-1080p / Windows Hello support
Backlit Keyboard false true
Fingerprint Sensor false false
Card Reader false false
Speaker Type Internal stereo speakers Omnisonic speakers with Dolby Atmos support / Supports Bluetooth LE Audio
Pixel Density on Display -
Wireless Communication Details -
Additional Ports - 1 Surface Connect port
Charger Type -

Compare Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tbwith Microsoft Surface Book 3 Core I7 1065G7 Iris Plus 32Gb 512Gb

Feature

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Microsoft Surface Book 3 Core I7 1065G7 Iris Plus 32Gb 512Gb

Size and Dimensions 17.9 * 220.7 * 324 millimeter (mm) 13 * 232.1 * 312.4 millimeter (mm)
Product Weight 1.64 kilogram (kg) 1.5 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography 10th Gen Core i7 processors / 4 cores / 8 threads / 10nm lithography
Dedicated Graphics Processor Specs -
Integrated Graphics with Processor
Dedicated Graphics Memory 2GB GDDR6 type -
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb)
Storage Type
Internal Memory Details -
Display Size 14 inch 13.5 inch
Panel Technology
Display Resolution FHD - 1920×1080 3K - 3000×2000
Refresh Rate 60 hertz (hz) -
Display Panel Coating Type Matte -
Touchscreen Capability false false
Ethernet Port true false
Wireless Network Capability true false
Bluetooth Support true false
VGA Port false false
HDMI true false
DVI Port false false
USB Type C port true false
Thunderbolt Support true false
Presence of headphone/microphone jack true false
Battery size and capacity Battery with 57 Wh capacity -
Optical Drive false false
Webcam true false
Webcam Details -
Backlit Keyboard false false
Fingerprint Sensor false false
Card Reader false false
Speaker Type Internal stereo speakers Yes, stereo speakers with Dolby Atmos technology
USB Type C Port Details - 1x version 3.1 port with Power Delivery 3.0 support
Battery life (hours) - 15.5 hour (h)
Operating System Type - Windows 10 Home

Compare Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tbwith Microsoft Surface Laptop Studio 2 Core I7 13700H Rtx 4050 64Gb 2Tb

Feature

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Microsoft Surface Laptop Studio 2 Core I7 13700H Rtx 4050 64Gb 2Tb

Size and Dimensions 17.9 * 220.7 * 324 millimeter (mm) 323.08 x 230.12 x 21.84 mm
Product Weight 1.64 kilogram (kg) 1.98 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography 13th Gen Core i7 processors / 14 cores / 20 threads / 10nm lithography / 3rd Gen Movidius 3700VC VPU AI accelerator
Dedicated Graphics Processor Specs
Integrated Graphics with Processor
Dedicated Graphics Memory 2GB GDDR6 type 6GB GDDR6 type
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb) 2 terabyte (tb)
Storage Type
Internal Memory Details
Display Size 14 inch 14.4 inch
Panel Technology
Display Resolution FHD - 1920×1080 2400×1600
Refresh Rate 60 hertz (hz) 120 hertz (hz)
Display Panel Coating Type Matte
Touchscreen Capability false true
Ethernet Port true false
Wireless Network Capability true true
Bluetooth Support true true
VGA Port false false
HDMI true true
DVI Port false false
USB Type C port true true
Thunderbolt Support true true
Presence of headphone/microphone jack true true
Battery size and capacity Battery with 57 Wh capacity 58Wh Battery
Optical Drive false false
Webcam true true
Webcam Details FHD-1080p / Windows Hello support
Backlit Keyboard false true
Fingerprint Sensor false false
Card Reader false true
Speaker Type Internal stereo speakers Internal speakers made by Omnisonic with Dolby Atmos support
GPU Details -
Other Display Features - PixelSense Flow Display / 3:2 aspect ratio / 1500:1 contrast ratio / DisplayHDR 400 certification / Dolby Vision IQ support
Wireless Communication Details -
USB Type C Port Details -
Additional Ports - 1 Surface Connect port

Compare Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tbwith Msi Gf63 Thin 11Sc Core I5 11400H Gtx 1650 8Gb 256Gb

Feature

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Msi Gf63 Thin 11Sc Core I5 11400H Gtx 1650 8Gb 256Gb

Size and Dimensions 17.9 * 220.7 * 324 millimeter (mm) 21.7 * 254 * 359 millimeter (mm)
Product Weight 1.64 kilogram (kg) 1.86 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography 11th Gen Core i5 processors / 6 cores / 12 threads / 10nm lithography
Dedicated Graphics Processor Specs
Integrated Graphics with Processor
Dedicated Graphics Memory 2GB GDDR6 type 4GB GDDR6 type
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb)
Storage Type
Internal Memory Details -
Display Size 14 inch 15.6 inch
Panel Technology
Display Resolution FHD - 1920×1080 FHD - 1920×1080
Refresh Rate 60 hertz (hz) -
Display Panel Coating Type Matte -
Touchscreen Capability false false
Ethernet Port true true
Wireless Network Capability true true
Bluetooth Support true true
VGA Port false false
HDMI true true
DVI Port false false
USB Type C port true true
Thunderbolt Support true false
Presence of headphone/microphone jack true true
Battery size and capacity Battery with 57 Wh capacity 52.4Wh 3-Cell Battery
Optical Drive false false
Webcam true true
Webcam Details -
Backlit Keyboard false true
Fingerprint Sensor false false
Card Reader false false
Speaker Type Internal stereo speakers Internal stereo speakers

Compare Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tbwith Microsoft Surface Pro 10 Core Ultra 5 135U Arc 32Gb 256Gb

Feature

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Microsoft Surface Pro 10 Core Ultra 5 135U Arc 32Gb 256Gb

Size and Dimensions 17.9 * 220.7 * 324 millimeter (mm) 9.3 * 208.6 * 287 millimeter (mm)
Product Weight 1.64 kilogram (kg) 879 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography 1st Gen Core Ultra processors / 12 cores / 14 threads / 7nm lithography
Dedicated Graphics Processor Specs -
Integrated Graphics with Processor
Dedicated Graphics Memory 2GB GDDR6 type -
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb)
Storage Type
Internal Memory Details
Display Size 14 inch 13 inch
Panel Technology -
Display Resolution FHD - 1920×1080 2880×1920
Refresh Rate 60 hertz (hz) 120 hertz (hz)
Display Panel Coating Type Matte -
Touchscreen Capability false true
Ethernet Port true false
Wireless Network Capability true true
Bluetooth Support true true
VGA Port false false
HDMI true false
DVI Port false false
USB Type C port true true
Thunderbolt Support true true
Presence of headphone/microphone jack true false
Battery size and capacity Battery with 57 Wh capacity Battery with 48 Wh capacity
Optical Drive false false
Webcam true true
Webcam Details
Backlit Keyboard false false
Fingerprint Sensor false false
Card Reader false false
Speaker Type Internal stereo speakers 2W speakers with Dolby Atmos support / Bluetooth LE Audio support
Pixel Density on Display -
Other Display Features -
Wireless Communication Details -
USB Type C Port Details -
Additional Ports - 1 Surface Connect port ** 1 Surface Pro Keyboard port

Compare Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tbwith Microsoft Surface Laptop Go Core I5 1035G1 Uhd 8Gb 128Gb

Feature

Lenovo Thinkpad E14 Core I7 1255U Mx550 16Gb 1Tb

Microsoft Surface Laptop Go Core I5 1035G1 Uhd 8Gb 128Gb

Size and Dimensions 17.9 * 220.7 * 324 millimeter (mm) 15.69 * 205.67 * 278.18 millimeter (mm)
Product Weight 1.64 kilogram (kg) 1.11 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details 12th Gen Core i7 processors / 10 cores / 12 threads / 10nm lithography 10th Gen Core i5 processors / 4 cores / 8 threads / 10nm lithography
Dedicated Graphics Processor Specs -
Integrated Graphics with Processor
Dedicated Graphics Memory 2GB GDDR6 type -
RAM Capacity
RAM Type
Storage Capacity 1 terabyte (tb)
Storage Type
Internal Memory Details -
Display Size 14 inch 12.4 inch
Panel Technology -
Display Resolution FHD - 1920×1080 1536×1024
Refresh Rate 60 hertz (hz) 60 hertz (hz)
Display Panel Coating Type Matte -
Touchscreen Capability false true
Ethernet Port true false
Wireless Network Capability true true
Bluetooth Support true true
VGA Port false false
HDMI true false
DVI Port false false
USB Type C port true true
Thunderbolt Support true false
Presence of headphone/microphone jack true true
Battery size and capacity Battery with 57 Wh capacity -
Optical Drive false false
Webcam true true
Webcam Details
Backlit Keyboard false false
Fingerprint Sensor false true
Card Reader false false
Speaker Type Internal stereo speakers Omnisonic speakers with Dolby Audio Premium technology
Pixel Density on Display -
Other Display Features -
Wireless Communication Details -
Additional Ports - Surface Connect port
Battery life (hours) - Up to 15 hours in normal use