Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Msi Katana Gf66 Core I7 12700H Rtx 3050 16Gb 512Gb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	24.9 * 259 * 359 millimeter (mm)
Product Weight	2.25 kilogram (kg)	2.25 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	12th Gen Core i7 processors / 14 cores / 20 threads / 10nm lithography
Dedicated Graphics Processor Specs
Dedicated Graphics Memory	4GB GDDR6 128-bit	4GB GDDR6 type
RAM Capacity
RAM Type
Storage Capacity		1 terabyte (tb)
Storage Type
Internal Memory Details	PCIe NVMe SSD	PCIe NVMe SSD
Display Size	15.6 inch	15.6 inch
Panel Technology
Display Resolution	FHD - 1920×1080	FHD - 1920×1080
Refresh Rate	60 hertz (hz)	144 hertz (hz)
Display Panel Coating Type	Matte	-
Touchscreen Capability	false	false
Other Display Features	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	-
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
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	1x USB 3.2 Gen 1 Type-C port
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	true
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	53.5Wh 3-Cell Battery
Battery life (hours)	Up to 5 hours	-
Optical Drive	false	false
Webcam	true	true
Webcam Details
Backlit Keyboard	true	true
Fingerprint Sensor	false	false
Card Reader	true	false
Operating System Type		-
Speaker Type	Yes, internal stereo speakers	2 x 2W internal speakers
Integrated Graphics with Processor	-
Wireless Communication Details	-
Charger Type	-

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Msi Ge66 Raider 10Sfs Core I7 10750H Rtx 2080S 32Gb 1Tb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	23.4 * 267 * 358 millimeter (mm)
Product Weight	2.25 kilogram (kg)	2.38 kilogram (kg)
CPU
CPU Generation		-
Processor Operating Frequency
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	-
Dedicated Graphics Processor Specs
Dedicated Graphics Memory	4GB GDDR6 128-bit	8GB GDDR6 type
RAM Capacity
RAM Type
Storage Capacity		1 terabyte (tb)
Storage Type
Internal Memory Details	PCIe NVMe SSD	-
Display Size	15.6 inch	15.6 inch
Panel Technology
Display Resolution	FHD - 1920×1080	FHD - 1920×1080
Refresh Rate	60 hertz (hz)	300 hertz (hz)
Display Panel Coating Type	Matte	-
Touchscreen Capability	false	false
Other Display Features	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	Wide viewing angle / MSI Matrix Display for multi-monitor display / True Color technology for accurate color display / 3ms response time / Narrow bezels
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
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	2x USB Type-C ports
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	true
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	99.9Wh 4-Cell Lithium-ion Battery
Battery life (hours)	Up to 5 hours	3 hour (h)
Optical Drive	false	false
Webcam	true	true
Webcam Details		-
Backlit Keyboard	true	true
Fingerprint Sensor	false	false
Card Reader	true	true
Operating System Type		Windows 10 Home
Speaker Type	Yes, internal stereo speakers	Yes, internal stereo speakers

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Msi Ge63 Raider Rgb 10Sf Core I7 10875H Rtx 2080 32Gb 2Tb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	29.5 * 260 * 383 millimeter (mm)
Product Weight	2.25 kilogram (kg)	2.62 kilogram (kg)
CPU
CPU Generation		-
Processor Operating Frequency
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	-
Dedicated Graphics Processor Specs
Dedicated Graphics Memory	4GB GDDR6 128-bit	8GB GDDR6 256-bit
RAM Capacity
RAM Type
Storage Capacity		2TB (1TB HDD and 1TB SSD)
Storage Type		Hybrid (HDD and SSD)
Internal Memory Details	PCIe NVMe SSD	5400 RPM Hard Disk Drive / NVMe type SSD
Display Size	15.6 inch	15.6 inch
Panel Technology
Display Resolution	FHD - 1920×1080	FHD - 1920×1080
Refresh Rate	60 hertz (hz)	144 hertz (hz)
Display Panel Coating Type	Matte	Matte
Touchscreen Capability	false	false
Other Display Features	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	-
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
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	1x USB Type-C port
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	true
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	51Wh 6-Cell Battery
Battery life (hours)	Up to 5 hours	1 to 3 hours
Optical Drive	false	false
Webcam	true	true
Webcam Details		-
Backlit Keyboard	true	true
Fingerprint Sensor	false	false
Card Reader	true	false
Operating System Type
Speaker Type	Yes, internal stereo speakers	Yes, internal stereo speakers

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Microsoft Surface Laptop Graphite Gold Core I5 8Gb 256Gb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	14.48 * 223.27 * 308.1 millimeter (mm)
Product Weight	2.25 kilogram (kg)	1.25 kilogram (kg)
CPU
CPU Generation		-
Processor Operating Frequency		2.50GHz to 3.10GHz
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	-
Dedicated Graphics Processor Specs		-
Dedicated Graphics Memory	4GB GDDR6 128-bit	-
RAM Capacity
RAM Type		-
Storage Capacity
Storage Type
Internal Memory Details	PCIe NVMe SSD
Display Size	15.6 inch	13.5 inch
Panel Technology		-
Display Resolution	FHD - 1920×1080	2256×1504
Refresh Rate	60 hertz (hz)	-
Display Panel Coating Type	Matte	-
Touchscreen Capability	false	true
Other Display Features	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	-
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	false
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	-
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	true
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	47Wh Battery
Battery life (hours)	Up to 5 hours	-
Optical Drive	false	false
Webcam	true	true
Webcam Details		-
Backlit Keyboard	true	false
Fingerprint Sensor	false	false
Card Reader	true	true
Operating System Type		Microsoft Windows 10 S
Speaker Type	Yes, internal stereo speakers	Omnisonic speakers with Dolby® Audio™ Premium technology
Integrated Graphics with Processor	-

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Msi Gs72 6Qe Stealth Pro Core I7 16Gb 1Tb 6Gb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	19.9 * 287 * 418 millimeter (mm)
Product Weight	2.25 kilogram (kg)	2.6 kilogram (kg)
CPU
CPU Generation		-
Processor Operating Frequency		2.6GHz to 3.5GHz
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	-
Dedicated Graphics Processor Specs
Dedicated Graphics Memory	4GB GDDR6 128-bit	6GB GDDR5 type
RAM Capacity
RAM Type		-
Storage Capacity		1TB
Storage Type		Hybrid Storage
Internal Memory Details	PCIe NVMe SSD	1TB 7200rpm hard disk with 128GB NVMe SSD storage
Display Size	15.6 inch	17.3 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
Other Display Features	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	-
Ethernet Port	true	true
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
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	-
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	false
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	Lithium-ion battery with 55Wh capacity
Battery life (hours)	Up to 5 hours	4:00 hour (h)
Optical Drive	false	false
Webcam	true	true
Webcam Details		-
Backlit Keyboard	true	true
Fingerprint Sensor	false	false
Card Reader	true	true
Operating System Type		DOS / No OS
Speaker Type	Yes, internal stereo speakers	Four internal stereo speakers made by Dynaudio company with Nahimic Audio amplifier along with a subwoofer

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Msi Pulse Gl66 12Ugkvo Core I7 12800H Rtx 3070 16Gb 1Tb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	23.9 * 259 * 359 millimeter (mm)
Product Weight	2.25 kilogram (kg)	2.25 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	11th series Core i7 processors / 14 cores / 20 threads / 10nm lithography
Dedicated Graphics Processor Specs
Dedicated Graphics Memory	4GB GDDR6 128-bit	8GB GDDR6 type
RAM Capacity
RAM Type
Storage Capacity		1 terabyte (tb)
Storage Type
Internal Memory Details	PCIe NVMe SSD	NVMe SSD
Display Size	15.6 inch	15.6 inch
Panel Technology
Display Resolution	FHD - 1920×1080	QHD - 2560×1440
Refresh Rate	60 hertz (hz)	165 hertz (hz)
Display Panel Coating Type	Matte	Matte
Touchscreen Capability	false	false
Other Display Features	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	-
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
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	1x USB 3.2 Gen 1 port
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	true
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	100Wh 4-Cell Battery
Battery life (hours)	Up to 5 hours	-
Optical Drive	false	false
Webcam	true	true
Webcam Details
Backlit Keyboard	true	true
Fingerprint Sensor	false	false
Card Reader	true	false
Operating System Type		-
Speaker Type	Yes, internal stereo speakers	2 speakers with a total power of 4W
Integrated Graphics with Processor	-
GPU Details	-
Wireless Communication Details	-
Charger Type	-

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Omen 15T Dc100 Core I7 Gtx 1060 16Gb 1512Gb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	359 * 262 * 24 millimeter (mm)
Product Weight	2.25 kilogram (kg)	2.3 kilogram (kg)
CPU
CPU Generation		-
Processor Operating Frequency		2.2GHz to 4.1GHz
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	-
Dedicated Graphics Processor Specs
Dedicated Graphics Memory	4GB GDDR6 128-bit
RAM Capacity
RAM Type		-
Storage Capacity
Storage Type		Hybrid Storage
Internal Memory Details	PCIe NVMe SSD	1TB HDD / 512GB SSD
Display Size	15.6 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
Other Display Features	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	-
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
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	-
Thunderbolt Support	false	true
Presence of headphone/microphone jack	true	true
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	-
Battery life (hours)	Up to 5 hours	66Wh 4-Cell Lithium-ion Battery
Optical Drive	false	false
Webcam	true	true
Webcam Details		-
Backlit Keyboard	true	true
Fingerprint Sensor	false	false
Card Reader	true	true
Operating System Type		5 hour (h)
Speaker Type	Yes, internal stereo speakers	Yes. Internal stereo speakers with HP Audio Boost technology made by Bang & Olufsen company

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Msi Gf63 Thin 11Sc Core I5 11400H Gtx 1650 8Gb 256Gb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	21.7 * 254 * 359 millimeter (mm)
Product Weight	2.25 kilogram (kg)	1.86 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	11th Gen Core i5 processors / 6 cores / 12 threads / 10nm lithography
Dedicated Graphics Processor Specs
Dedicated Graphics Memory	4GB GDDR6 128-bit	4GB GDDR6 type
RAM Capacity
RAM Type
Storage Capacity
Storage Type
Internal Memory Details	PCIe NVMe SSD	-
Display Size	15.6 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
Other Display Features	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	-
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
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	-
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	true
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	52.4Wh 3-Cell Battery
Battery life (hours)	Up to 5 hours	-
Optical Drive	false	false
Webcam	true	true
Webcam Details		-
Backlit Keyboard	true	true
Fingerprint Sensor	false	false
Card Reader	true	false
Operating System Type		-
Speaker Type	Yes, internal stereo speakers	Internal stereo speakers
Integrated Graphics with Processor	-

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Microsoft Surface Go 2 Core M 8100Y Uhd 615 8Gb 128Gb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	8.4 * 175.2 * 245.1 millimeter (mm)
Product Weight	2.25 kilogram (kg)	0.5 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	8th Gen Core m processors / 2 cores / 4 threads / 14nm lithography
Dedicated Graphics Processor Specs		-
Dedicated Graphics Memory	4GB GDDR6 128-bit	-
RAM Capacity
RAM Type		-
Storage Capacity
Storage Type		-
Internal Memory Details	PCIe NVMe SSD	-
Display Size	15.6 inch	10.5 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
Other Display Features	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	1500:1 contrast ratio / 10-point multi-touch support / Gorilla Glass 3 protective coating
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	true
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	1x USB Type-C port
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	false
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	26.12Wh Battery
Battery life (hours)	Up to 5 hours	10 hour (h)
Optical Drive	false	false
Webcam	true	false
Webcam Details
Backlit Keyboard	true	false
Fingerprint Sensor	false	false
Card Reader	true	false
Operating System Type		-
Speaker Type	Yes, internal stereo speakers	Internal stereo speakers with Dolby Audio technology support
Integrated Graphics with Processor	-
Pixel Density on Display	-
Wireless Communication Details	-	WiFi 6 (IEEE 802.11a/b/g/n/ac/ax) / Bluetooth 5.0 / Qualcomm Snapdragon X16 LTE modem (cellular-enabled version only)

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Lenovo IdeaPad 3 Core i3-1115G4 UHD 20GB 2TB
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	19.9 * 253 * 362.2 millimeter (mm)
Product Weight	2.25 kilogram (kg)	1.65 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	11th Gen Core i3 processors / 2 cores / 4 threads / 10nm lithography
Dedicated Graphics Processor Specs		-
Dedicated Graphics Memory	4GB GDDR6 128-bit	-
RAM Capacity
RAM Type
Storage Capacity		2TB (1TB HDD and 1TB SSD)
Storage Type		Hybrid (HDD and SSD)
Internal Memory Details	PCIe NVMe SSD	-
Display Size	15.6 inch	15.6 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	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	-
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
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	-
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	true
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	2-cell battery with 38 Wh capacity
Battery life (hours)	Up to 5 hours	-
Optical Drive	false	false
Webcam	true	true
Webcam Details		-
Backlit Keyboard	true	false
Fingerprint Sensor	false	false
Card Reader	true	true
Operating System Type		-
Speaker Type	Yes, internal stereo speakers	Internal stereo speakers
Integrated Graphics with Processor	-

Feature	Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb	Lenovo Ideapad 3 15Iau7 Core I7 1255U Iris Xe 12Gb 512Gb
Size and Dimensions	23.4 * 256 * 360 millimeter (mm)	19.9 * 236.5 * 359.2 millimeter (mm)
Product Weight	2.25 kilogram (kg)	1.6 kilogram (kg)
CPU
CPU Generation
Processor Operating Frequency
Cache Memory Size
Processor Details	9th Gen Core i5 processors / 4 cores / 8 threads / 14nm lithography	13th Gen Core i7 processors / 12 cores / 12 threads / 10nm lithography
Dedicated Graphics Processor Specs		-
Dedicated Graphics Memory	4GB GDDR6 128-bit	-
RAM Capacity
RAM Type
Storage Capacity
Storage Type
Internal Memory Details	PCIe NVMe SSD
Display Size	15.6 inch	15.6 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	Micro-edge WLED backlight / 250 nits brightness / 45% NTSC color gamut coverage	-
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
USB Type C Port Details	1x USB 3.1 Gen 2 port with Power Delivery 3.0 support	-
Thunderbolt Support	false	false
Presence of headphone/microphone jack	true	true
Battery size and capacity	4-cell lithium-ion battery with 70 Wh capacity	3-cell battery with 45 Wh capacity
Battery life (hours)	Up to 5 hours	-
Optical Drive	false	false
Webcam	true	true
Webcam Details		-
Backlit Keyboard	true	false
Fingerprint Sensor	false	false
Card Reader	true	true
Operating System Type		-
Speaker Type	Yes, internal stereo speakers	Internal stereo speakers
Integrated Graphics with Processor	-

Page 8 from comparison Hp Pavilion Gaming 15 Dk0056Wm Core I5 9300H Gtx 1650 8Gb 256Gb