GeForce GT 640M LE vs Radeon HD 6990

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Radeon HD 6990. 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 6990. 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 6990 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 6990
Power consumption (TDP)	20 Watt	375 Watt
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Supplementary power connectors		2x 8-pin
Memory type	DDR3\DDR5	GDDR5
Maximum RAM amount	2 GB	2 GB
Display Connectors	No outputs	1x DVI, 4x mini-DisplayPort
	Check Price	Check Price

Radeon HD 6990 has 1775% more power consumption, than GeForce GT 640M LE.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
GeForce GT 640M LE and Radeon HD 6990 have maximum RAM of 2 GB.
GeForce GT 640M LE is used in Laptops, and Radeon HD 6990 - in Desktops.
GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon HD 6990 - with TeraScale 3.
GeForce GT 640M LE is manufactured by 28 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
Memory clock speed of Radeon HD 6990 is 3200 MHz higher, than GeForce GT 640M LE.

Game benchmarks


high / 1080p	0−1	14−16
ultra / 1080p	−	9−10
QHD / 1440p	0−1	3−4
low / 720p	1−2	30−35
medium / 1080p	0−1	18−20
The average gaming FPS of Radeon HD 6990 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	7−8
4K / 2160p	−	5−6
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 6990.
low / 768p	60−65	210−220
medium / 768p	27−30	170−180
ultra / 1080p	7−8	95−100
QHD / 1440p	−	50−55
4K / 2160p	−	30−33
high / 768p	16−18	140−150
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 464% 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 6990.
low / 768p	45−50	110−120
medium / 768p	10−11	90−95
ultra / 1080p	0−1	60−65
The average gaming FPS of Radeon HD 6990 in Dota 2 is 255% more, than GeForce GT 640M LE.
high / 1080p	−	18−20
ultra / 1080p	−	16−18
4K / 2160p	−	6−7
low / 720p	0−1	35−40
medium / 1080p	−	18−20
high / 1080p	−	24−27
ultra / 1080p	−	18−20
QHD / 1440p	−	16−18
low / 720p	21−24	95−100
medium / 1080p	0−1	50−55
The average gaming FPS of Radeon HD 6990 in Fortnite is 340% more, than GeForce GT 640M LE.
high / 1080p	0−1	24−27
ultra / 1080p	−	20−22
QHD / 1440p	0−1	9−10
low / 720p	0−1	50−55
medium / 1080p	0−1	27−30
low / 768p	18−20	85−90
medium / 768p	−	75−80
high / 1080p	0−1	30−33
ultra / 1080p	−	12−14
QHD / 1440p	0−1	3−4
medium / 720p	12−14	−
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 357% more, than GeForce GT 640M LE.
high / 1080p	−	9−10
ultra / 1080p	−	7−8
4K / 2160p	−	2−3
low / 720p	0−1	27−30
medium / 1080p	−	12−14
low / 768p	75−80	110−120
high / 1080p	27−30	−
ultra / 1080p	−	100−110
medium / 1080p	−	100−110
The average gaming FPS of Radeon HD 6990 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 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 612% more, than GeForce GT 640M LE.
high / 1080p	−	14−16
ultra / 1080p	−	9−10
QHD / 1440p	−	0−1
low / 720p	0−1	27−30
medium / 1080p	−	16−18
low / 768p	0−1	55−60
medium / 768p	−	30−35
high / 1080p	−	18−20
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	50−55
The average gaming FPS of Radeon HD 6990 in World of Tanks is 192% more, than GeForce GT 640M LE.

Full Specs

	GeForce GT 640M LE	Radeon HD 6990
Architecture	Fermi / Kepler	TeraScale 3
Code name	N13P-LP	Antilles
Type	Laptop	Desktop
Release date	22 March 2012	8 March 2011
Pipelines	384	1536
Core clock speed		830 MHz
Transistor count	585 million	2,640 million
Manufacturing process technology	28 nm	40 nm
Texture fill rate		79.68
Floating-point performance	384.0 gflops	2x 2,549.8 gflops
Length		295 mm
Memory bus width	128bit	256 Bit
Memory clock speed	1800 - 4000 MHz	5000 MHz
Memory bandwidth		160.0 GB/s
Shared memory	-
DirectX	12 API	11.2 (11_0)
Shader Model	5.1	5.0
OpenGL	4.5	4.4
OpenCL	1.1	1.2
Vulkan	N/A	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	265 Mh/s
Laptop size	medium sized
Optimus	+
Ethereum / ETH (DaggerHashimoto)		24 Mh/s
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GeForce GT 640M LE vs Radeon HD 6990

GeForce GT 640M LE is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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