GeForce GT 640M LE vs Radeon HD 7970

If you are going to buy a new graphics card and are choosing between GeForce GT 640M LE and Radeon HD 7970, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GT 640M LE stacks up against Radeon HD 7970, check out specs charts below.

GeForce GT 640M LE Check Price

Radeon HD 7970 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 7970
Power consumption (TDP)	20 Watt	300 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors		1x 6-pin + 1x 8-pin
Memory type	DDR3\DDR5	GDDR5
Maximum RAM amount	2 GB	3 GB
Display Connectors	No outputs	1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7970 has 1400% more power consumption, than GeForce GT 640M LE.
GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon HD 7970 uses PCIe 3.0 x16 interface.
Radeon HD 7970 has 1 GB more memory, than GeForce GT 640M LE.
GeForce GT 640M LE is used in Laptops, and Radeon HD 7970 - in Desktops.
GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon HD 7970 - with GCN.
GeForce GT 640M LE and Radeon HD 7970 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 640M LE is 425 MHz higher, than Radeon HD 7970.

Game benchmarks


high / 1080p	0−1	35−40
ultra / 1080p	−	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	1−2	60−65
medium / 1080p	0−1	40−45
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 6100% more, than GeForce GT 640M LE.
high / 1080p	−	55−60
ultra / 1080p	−	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	0−1	100−110
medium / 1080p	−	60−65
low / 768p	50−55	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
GeForce GT 640M LE and Radeon HD 7970 have the same average FPS in Call of Duty: Warzone.
low / 768p	60−65	250−260
medium / 768p	27−30	220−230
ultra / 1080p	7−8	180−190
QHD / 1440p	−	110−120
4K / 2160p	−	70−75
high / 768p	16−18	210−220
The average gaming FPS of Radeon HD 7970 in Counter-Strike: Global Offensive is 685% more, than GeForce GT 640M LE.
low / 768p	70−75	60−65
ultra / 1080p	0−1	−
medium / 1080p	45−50	55−60
GeForce GT 640M LE and Radeon HD 7970 have the same average FPS in Cyberpunk 2077.
low / 768p	45−50	120−130
medium / 768p	10−11	110−120
ultra / 1080p	0−1	100−110
The average gaming FPS of Radeon HD 7970 in Dota 2 is 313% more, than GeForce GT 640M LE.
high / 1080p	−	45−50
ultra / 1080p	−	40−45
QHD / 1440p	−	27−30
4K / 2160p	−	14−16
low / 720p	0−1	80−85
medium / 1080p	−	45−50
high / 1080p	−	60−65
ultra / 1080p	−	45−50
QHD / 1440p	−	27−30
4K / 2160p	−	27−30
low / 720p	21−24	180−190
medium / 1080p	0−1	110−120
The average gaming FPS of Radeon HD 7970 in Fortnite is 740% more, than GeForce GT 640M LE.
high / 1080p	0−1	60−65
ultra / 1080p	−	45−50
QHD / 1440p	0−1	30−35
4K / 2160p	−	24−27
low / 720p	0−1	100−110
medium / 1080p	0−1	65−70
low / 768p	18−20	140−150
medium / 768p	−	120−130
high / 1080p	0−1	70−75
ultra / 1080p	−	30−35
QHD / 1440p	0−1	21−24
medium / 720p	12−14	−
The average gaming FPS of Radeon HD 7970 in Grand Theft Auto V is 663% more, than GeForce GT 640M LE.
high / 1080p	−	24−27
ultra / 1080p	−	20−22
QHD / 1440p	−	16−18
4K / 2160p	−	8−9
low / 720p	0−1	65−70
medium / 1080p	−	30−35
low / 768p	75−80	130−140
high / 1080p	27−30	−
medium / 1080p	−	120−130
The average gaming FPS of Radeon HD 7970 in Minecraft is 75% more, than GeForce GT 640M LE.
ultra / 1080p	−	14−16
low / 720p	8−9	100−110
medium / 1080p	−	18−20
The average gaming FPS of Radeon HD 7970 in PLAYERUNKNOWN'S BATTLEGROUNDS is 1212% more, than GeForce GT 640M LE.
high / 1080p	−	24−27
ultra / 1080p	−	16−18
QHD / 1440p	−	10−11
4K / 2160p	−	7−8
low / 720p	0−1	65−70
medium / 1080p	−	35−40
low / 768p	0−1	130−140
medium / 768p	−	85−90
high / 1080p	−	45−50
ultra / 1080p	−	24−27
4K / 2160p	−	16−18
low / 768p	45−50	90−95
medium / 768p	14−16	60−65
ultra / 1080p	0−1	50−55
high / 768p	12−14	60−65
The average gaming FPS of Radeon HD 7970 in World of Tanks is 188% more, than GeForce GT 640M LE.

Full Specs

	GeForce GT 640M LE	Radeon HD 7970
Architecture	Fermi / Kepler	GCN
Code name	N13P-LP	Tahiti XT
Type	Laptop	Desktop
Release date	22 March 2012	22 December 2011
Pipelines	384	2048
Boost Clock		925 MHz
Transistor count	585 million	4,313 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate		118.4
Floating-point performance	384.0 gflops	3,789 gflops
Length		274 mm
Memory bus width	128bit	384 Bit
Memory clock speed	1800 - 4000 MHz	1375 MHz
Memory bandwidth		264 GB/s
Shared memory	-	-
DirectX	12 API
Shader Model	5.1	5.1
OpenGL	4.5	4.6
OpenCL	1.1	1.2
Vulkan	N/A
CUDA	+
FreeSync		+
CUDA cores	Up to 384
Bus support	PCI Express 2.0, PCI Express 3.0	PCIe 2.1 x16
HDMI	+	+
HDCP	+
Maximum VGA resolution	Up to 2048x1536
3D Blu-Ray	+
Bitcoin / BTC (SHA256)	14 Mh/s	485 Mh/s
Laptop size	medium sized
Optimus	+
Eyefinity		+
Design		reference
CrossFire		+
Ethereum / ETH (DaggerHashimoto)		20.71 Mh/s
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GeForce GT 640M LE vs Radeon HD 7970

GeForce GT 640M LE is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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