GeForce GT 640M LE vs Radeon HD 7790

If you are going to buy a new graphics card and are choosing between GeForce GT 640M LE and Radeon HD 7790, 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 7790, check out specs charts below.

GeForce GT 640M LE Check Price

Radeon HD 7790 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 7790
Power consumption (TDP)	20 Watt	85 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors		1x 6-pin
Memory type	DDR3\DDR5	GDDR5
Maximum RAM amount	2 GB	1 GB
Display Connectors	No outputs	1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7790 has 325% more power consumption, than GeForce GT 640M LE.
GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon HD 7790 uses PCIe 3.0 x16 interface.
GeForce GT 640M LE has 1 GB more memory, than Radeon HD 7790.
GeForce GT 640M LE is used in Laptops, and Radeon HD 7790 - in Desktops.
GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon HD 7790 - with GCN 2.0.
GeForce GT 640M LE and Radeon HD 7790 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7790 is 4200 MHz higher, than GeForce GT 640M LE.

Game benchmarks


high / 1080p	0−1	16−18
ultra / 1080p	−	9−10
QHD / 1440p	0−1	4−5
4K / 2160p	−	4−5
low / 720p	1−2	30−35
medium / 1080p	0−1	20−22
The average gaming FPS of Radeon HD 7790 in Assassin's Creed Odyssey is 3100% more, than GeForce GT 640M LE.
high / 1080p	−	24−27
ultra / 1080p	−	21−24
QHD / 1440p	0−1	8−9
4K / 2160p	−	6−7
low / 720p	0−1	50−55
medium / 1080p	−	27−30
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 7790.
low / 768p	60−65	210−220
medium / 768p	27−30	180−190
ultra / 1080p	7−8	100−110
QHD / 1440p	−	55−60
4K / 2160p	−	30−35
high / 768p	16−18	140−150
The average gaming FPS of Radeon HD 7790 in Counter-Strike: Global Offensive is 478% more, than GeForce GT 640M LE.
low / 768p	70−75	55−60
ultra / 1080p	0−1	40−45
medium / 1080p	45−50	45−50
The average gaming FPS of GeForce GT 640M LE in Cyberpunk 2077 is 15% more, than Radeon HD 7790.
low / 768p	45−50	110−120
medium / 768p	10−11	95−100
ultra / 1080p	0−1	65−70
The average gaming FPS of Radeon HD 7790 in Dota 2 is 265% more, than GeForce GT 640M LE.
high / 1080p	−	18−20
ultra / 1080p	−	16−18
QHD / 1440p	−	16−18
4K / 2160p	−	6−7
low / 720p	0−1	40−45
medium / 1080p	−	20−22
high / 1080p	−	24−27
ultra / 1080p	−	20−22
QHD / 1440p	−	16−18
low / 720p	21−24	100−110
medium / 1080p	0−1	55−60
The average gaming FPS of Radeon HD 7790 in Fortnite is 377% more, than GeForce GT 640M LE.
high / 1080p	0−1	27−30
ultra / 1080p	−	21−24
QHD / 1440p	0−1	10−11
4K / 2160p	−	10−11
low / 720p	0−1	55−60
medium / 1080p	0−1	30−33
low / 768p	18−20	85−90
medium / 768p	−	75−80
high / 1080p	0−1	30−35
ultra / 1080p	−	12−14
QHD / 1440p	0−1	3−4
medium / 720p	12−14	−
The average gaming FPS of Radeon HD 7790 in Grand Theft Auto V is 357% more, than GeForce GT 640M LE.
high / 1080p	−	10−11
ultra / 1080p	−	8−9
4K / 2160p	−	3−4
low / 720p	0−1	30−35
medium / 1080p	−	12−14
low / 768p	75−80	110−120
high / 1080p	27−30	−
medium / 1080p	−	100−110
The average gaming FPS of Radeon HD 7790 in Minecraft is 49% more, than GeForce GT 640M LE.
high / 1080p	−	21−24
ultra / 1080p	−	18−20
low / 720p	8−9	55−60
medium / 1080p	−	24−27
The average gaming FPS of Radeon HD 7790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 612% more, than GeForce GT 640M LE.
high / 1080p	−	14−16
ultra / 1080p	−	10−11
QHD / 1440p	−	0−1
low / 720p	0−1	30−33
medium / 1080p	−	16−18
low / 768p	0−1	55−60
medium / 768p	−	35−40
high / 1080p	−	20−22
ultra / 1080p	−	10−12
4K / 2160p	−	8−9
low / 768p	45−50	100−110
medium / 768p	14−16	60−65
ultra / 1080p	0−1	35−40
high / 768p	12−14	55−60
The average gaming FPS of Radeon HD 7790 in World of Tanks is 200% more, than GeForce GT 640M LE.

Full Specs

	GeForce GT 640M LE	Radeon HD 7790
Architecture	Fermi / Kepler	GCN 2.0
Code name	N13P-LP	Bonaire
Type	Laptop	Desktop
Release date	22 March 2012	22 March 2013
Pipelines	384	896
Core clock speed		1000 MHz
Transistor count	585 million	2,080 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate		56.00
Floating-point performance	384.0 gflops	1,792 gflops
Length		183 mm
Memory bus width	128bit	128 Bit
Memory clock speed	1800 - 4000 MHz	6000 MHz
Memory bandwidth		96 GB/s
Shared memory	-
DirectX	12 API	12 (12_0)
Shader Model	5.1	6.3
OpenGL	4.5	4.6
OpenCL	1.1	2.0
Vulkan	N/A	1.2.131
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	218 Mh/s
Laptop size	medium sized
Optimus	+
Ethereum / ETH (DaggerHashimoto)		5.2 Mh/s
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GeForce GT 640M LE vs Radeon HD 7790

GeForce GT 640M LE is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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