GeForce GT 640 vs Radeon HD 7950

In this comparison between GeForce GT 640 and Radeon HD 7950 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 640 will be the best choice, for others Radeon HD 7950 will be their preference. Study the comparison tables below and make your choice.

GeForce GT 640 Check Price

Radeon HD 7950 Check Price

Main Specs

	GeForce GT 640	Radeon HD 7950
Power consumption (TDP)	65 Watt	200 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	None	2x 6-pin
Memory type	DDR3	GDDR5
Maximum RAM amount	2 GB	3 GB
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 1x HDMI, 2x mini-DisplayPort
	Check Price	Check Price

Radeon HD 7950 has 207% more power consumption, than GeForce GT 640.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon HD 7950 has 1 GB more memory, than GeForce GT 640.
Both cards are used in Desktops.
GeForce GT 640 is build with Kepler architecture, and Radeon HD 7950 - with GCN 1.0.
GeForce GT 640 and Radeon HD 7950 are manufactured by 28 nm process technology.
Radeon HD 7950 is 122 mm longer, than GeForce GT 640.
Memory clock speed of GeForce GT 640 is 532 MHz higher, than Radeon HD 7950.

Game benchmarks


high / 1080p	2−3	35−40
ultra / 1080p	1−2	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	14−16	60−65
medium / 1080p	5−6	40−45
The average gaming FPS of Radeon HD 7950 in Assassin's Creed Odyssey is 583% more, than GeForce GT 640.
high / 1080p	7−8	55−60
ultra / 1080p	5−6	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	20−22	100−110
medium / 1080p	7−8	60−65
The average gaming FPS of Radeon HD 7950 in Battlefield 5 is 580% more, than GeForce GT 640.
low / 768p	50−55	50−55
high / 1080p	35−40	−
QHD / 1440p	0−1	0−1
GeForce GT 640 and Radeon HD 7950 have the same average FPS in Call of Duty: Warzone.
low / 768p	110−120	250−260
medium / 768p	90−95	220−230
ultra / 1080p	45−50	180−190
QHD / 1440p	24−27	110−120
4K / 2160p	18−20	70−75
high / 768p	65−70	210−220
The average gaming FPS of Radeon HD 7950 in Counter-Strike: Global Offensive is 190% more, than GeForce GT 640.
low / 768p	70−75	60−65
ultra / 1080p	21−24	−
medium / 1080p	45−50	55−60
GeForce GT 640 and Radeon HD 7950 have the same average FPS in Cyberpunk 2077.
low / 768p	70−75	120−130
medium / 768p	50−55	110−120
ultra / 1080p	27−30	100−110
The average gaming FPS of Radeon HD 7950 in Dota 2 is 125% more, than GeForce GT 640.
high / 1080p	3−4	45−50
ultra / 1080p	3−4	40−45
QHD / 1440p	−	27−30
4K / 2160p	2−3	14−16
low / 720p	14−16	80−85
medium / 1080p	4−5	45−50
The average gaming FPS of Radeon HD 7950 in Far Cry 5 is 840% more, than GeForce GT 640.
high / 1080p	10−12	60−65
ultra / 1080p	5−6	45−50
QHD / 1440p	2−3	27−30
4K / 2160p	−	27−30
low / 720p	50−55	180−190
medium / 1080p	16−18	110−120
The average gaming FPS of Radeon HD 7950 in Fortnite is 411% more, than GeForce GT 640.
high / 1080p	6−7	60−65
ultra / 1080p	−	45−50
QHD / 1440p	4−5	30−35
4K / 2160p	2−3	24−27
low / 720p	21−24	100−110
medium / 1080p	9−10	65−70
The average gaming FPS of Radeon HD 7950 in Forza Horizon 4 is 544% more, than GeForce GT 640.
low / 768p	45−50	140−150
medium / 768p	−	120−130
high / 1080p	7−8	70−75
ultra / 1080p	3−4	30−35
QHD / 1440p	0−1	21−24
medium / 720p	40−45	−
The average gaming FPS of Radeon HD 7950 in Grand Theft Auto V is 336% more, than GeForce GT 640.
high / 1080p	2−3	24−27
ultra / 1080p	0−1	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	8−9	65−70
medium / 1080p	4−5	30−35
The average gaming FPS of Radeon HD 7950 in Metro Exodus is 720% more, than GeForce GT 640.
low / 768p	80−85	130−140
ultra / 1080p	70−75	−
medium / 1080p	−	120−130
The average gaming FPS of Radeon HD 7950 in Minecraft is 64% more, than GeForce GT 640.
ultra / 1080p	12−14	14−16
low / 720p	27−30	100−110
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon HD 7950 in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than GeForce GT 640.
high / 1080p	6−7	24−27
ultra / 1080p	4−5	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	7−8	65−70
medium / 1080p	−	35−40
The average gaming FPS of Radeon HD 7950 in Red Dead Redemption 2 is 500% more, than GeForce GT 640.
low / 768p	14−16	130−140
medium / 768p	10−11	85−90
high / 1080p	5−6	45−50
ultra / 1080p	4−5	24−27
4K / 2160p	0−1	16−18
The average gaming FPS of Radeon HD 7950 in The Witcher 3: Wild Hunt is 812% more, than GeForce GT 640.
low / 768p	70−75	90−95
medium / 768p	35−40	60−65
ultra / 1080p	16−18	50−55
high / 768p	30−35	60−65
The average gaming FPS of Radeon HD 7950 in World of Tanks is 71% more, than GeForce GT 640.

Full Specs

	GeForce GT 640	Radeon HD 7950
Architecture	Kepler	GCN 1.0
Code name	GK107	Tahiti
Type	Desktop	Desktop
Release date	5 June 2012	31 January 2012
Pipelines	384	1792
Core clock speed	902 MHz
Boost Clock		1250 MHz
Transistor count	1,270 million	4,313 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	28.86	89.60
Floating-point performance	692.7 gflops	2,867 gflops
Length	145 mm	267 mm
Memory bus width	128 Bit	384 Bit
Memory clock speed	1782 MHz	1250 MHz
Memory bandwidth	28.51 GB/s	240 GB/s
DirectX	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.6	4.6
OpenCL	1.2	1.2
Vulkan	1.1.126
CUDA	3.0
Monero / XMR (CryptoNight)		0.56 kh/s
FreeSync		+
Bus support		PCIe 3.0 x16
HDMI		+
Bitcoin / BTC (SHA256)	24 Mh/s	381 Mh/s
Eyefinity		+
PowerTune		+
ZeroCore		+
Design		reference
Number of Eyefinity displays		6
CrossFire		+
Decred / DCR (Decred)		0.78 Gh/s
Ethereum / ETH (DaggerHashimoto)		13.86 Mh/s
Zcash / ZEC (Equihash)		250 Sol/s
Compute units		28
AppAcceleration		+
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GeForce GT 640 vs Radeon HD 7950

Main Specs

Game benchmarks

Full Specs

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