GeForce GT 640M LE vs Radeon HD 7770

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Radeon HD 7770. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 640M LE and Radeon HD 7770. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce GT 640M LE Check Price

Radeon HD 7770 Check Price

GeForce GT 640M LE is a Laptop Graphics Card

Note: GeForce GT 640M LE is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GT 640M LE here:

GeForce GT 640M LE Laptops

Main Specs

	GeForce GT 640M LE	Radeon HD 7770
Power consumption (TDP)	20 Watt
Interface	PCIe 2.0 x16
Memory type	DDR3\DDR5	GDDR5
Maximum RAM amount	2 GB	2 GB
Display Connectors	No outputs
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GeForce GT 640M LE and Radeon HD 7770 have maximum RAM of 2 GB.
GeForce GT 640M LE is used in Laptops, and Radeon HD 7770 - in Desktops.
GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon HD 7770 - with GCN.
GeForce GT 640M LE and Radeon HD 7770 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7770 is 2700 MHz higher, than GeForce GT 640M LE.

Game benchmarks


high / 1080p	0−1	10−11
ultra / 1080p	−	6−7
QHD / 1440p	0−1	1−2
low / 720p	1−2	24−27
medium / 1080p	0−1	12−14
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 2400% more, than GeForce GT 640M LE.
high / 1080p	−	16−18
ultra / 1080p	−	14−16
QHD / 1440p	0−1	1−2
low / 720p	0−1	35−40
medium / 1080p	−	18−20
low / 768p	50−55	45−50
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
The average gaming FPS of GeForce GT 640M LE in Call of Duty: Warzone is 10% more, than Radeon HD 7770.
low / 768p	60−65	170−180
medium / 768p	27−30	140−150
ultra / 1080p	7−8	75−80
QHD / 1440p	−	40−45
4K / 2160p	−	30−33
high / 768p	16−18	110−120
The average gaming FPS of Radeon HD 7770 in Counter-Strike: Global Offensive is 357% more, than GeForce GT 640M LE.
low / 768p	70−75	55−60
ultra / 1080p	0−1	27−30
medium / 1080p	45−50	45−50
The average gaming FPS of GeForce GT 640M LE in Cyberpunk 2077 is 15% more, than Radeon HD 7770.
low / 768p	45−50	95−100
medium / 768p	10−11	75−80
ultra / 1080p	0−1	45−50
The average gaming FPS of Radeon HD 7770 in Dota 2 is 200% more, than GeForce GT 640M LE.
high / 1080p	−	12−14
ultra / 1080p	−	10−12
4K / 2160p	−	5−6
low / 720p	0−1	27−30
medium / 1080p	−	12−14
high / 1080p	−	18−20
ultra / 1080p	−	14−16
low / 720p	21−24	80−85
medium / 1080p	0−1	35−40
The average gaming FPS of Radeon HD 7770 in Fortnite is 272% more, than GeForce GT 640M LE.
high / 1080p	0−1	18−20
ultra / 1080p	−	14−16
QHD / 1440p	0−1	5−6
low / 720p	0−1	35−40
medium / 1080p	0−1	21−24
low / 768p	18−20	65−70
medium / 768p	−	60−65
high / 1080p	0−1	21−24
ultra / 1080p	−	9−10
QHD / 1440p	0−1	0−1
medium / 720p	12−14	−
The average gaming FPS of Radeon HD 7770 in Grand Theft Auto V is 252% more, than GeForce GT 640M LE.
high / 1080p	−	7−8
ultra / 1080p	−	5−6
4K / 2160p	−	1−2
low / 720p	0−1	20−22
medium / 1080p	−	9−10
low / 768p	75−80	100−110
high / 1080p	27−30	−
ultra / 1080p	−	90−95
medium / 1080p	−	100−105
The average gaming FPS of Radeon HD 7770 in Minecraft is 36% more, than GeForce GT 640M LE.
high / 1080p	−	18−20
ultra / 1080p	−	16−18
low / 720p	8−9	45−50
medium / 1080p	−	21−24
The average gaming FPS of Radeon HD 7770 in PLAYERUNKNOWN'S BATTLEGROUNDS is 487% more, than GeForce GT 640M LE.
high / 1080p	−	12−14
ultra / 1080p	−	8−9
QHD / 1440p	−	0−1
low / 720p	0−1	20−22
medium / 1080p	−	12−14
low / 768p	0−1	35−40
medium / 768p	−	24−27
high / 1080p	−	14−16
ultra / 1080p	−	8−9
4K / 2160p	−	7−8
low / 768p	45−50	95−100
medium / 768p	14−16	55−60
ultra / 1080p	0−1	27−30
high / 768p	12−14	45−50
The average gaming FPS of Radeon HD 7770 in World of Tanks is 168% more, than GeForce GT 640M LE.

Full Specs

	GeForce GT 640M LE	Radeon HD 7770
Architecture	Fermi / Kepler	GCN
Code name	N13P-LP	Cape Verde
Type	Laptop	Desktop
Release date	22 March 2012	15 February 2012
Pipelines	384	640
Core clock speed		1000 MHz
Transistor count	585 million
Manufacturing process technology	28 nm	28 nm
Floating-point performance	384.0 gflops
Memory bus width	128bit	128 Bit
Memory clock speed	1800 - 4000 MHz	4500 MHz
Shared memory	-	-
DirectX	12 API	DirectX 11.1, Shader 5.1
Shader Model	5.1
OpenGL	4.5
OpenCL	1.1
Vulkan	N/A
CUDA	+
CUDA cores	Up to 384
Bus support	PCI Express 2.0, PCI Express 3.0
HDMI	+
HDCP	+
Maximum VGA resolution	Up to 2048x1536
3D Blu-Ray	+
Bitcoin / BTC (SHA256)	14 Mh/s	156 Mh/s
Laptop size	medium sized
Optimus	+
Eyefinity		+
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GeForce GT 640M LE vs Radeon HD 7770

GeForce GT 640M LE is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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