GeForce GT 640 vs Radeon HD 6950
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Radeon HD 6950. 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 640 and Radeon HD 6950. 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.
Main Specs
GeForce GT 640
Radeon HD 6950
Power consumption (TDP)
65 Watt
500 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 6950 has 669% more power consumption, than GeForce GT 640.
GeForce GT 640 is connected by PCIe 3.0 x16, and Radeon HD 6950 uses PCIe 2.0 x16 interface.
GeForce GT 640 and Radeon HD 6950 have maximum RAM of 2 GB.
Both cards are used in Desktops.
GeForce GT 640 is build with Kepler architecture, and Radeon HD 6950 - with TeraScale 3.
GeForce GT 640 is manufactured by 28 nm process technology, and Radeon HD 6950 - by 40 nm process technology.
Radeon HD 6950 is 122 mm longer, than GeForce GT 640.
Memory clock speed of GeForce GT 640 is 532 MHz higher, than Radeon HD 6950.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
2−3
14−16
ultra / 1080p
1−2
8−9
QHD / 1440p
0−1
3−4
low / 720p
14−16
27−30
medium / 1080p
5−6
16−18
The average gaming FPS of Radeon HD 6950 in Assassin's Creed Odyssey is 183% more, than GeForce GT 640.
high / 1080p
7−8
21−24
ultra / 1080p
5−6
18−20
QHD / 1440p
0−1
5−6
4K / 2160p
−
5−6
low / 720p
20−22
45−50
medium / 1080p
7−8
24−27
The average gaming FPS of Radeon HD 6950 in Battlefield 5 is 180% more, than GeForce GT 640.
low / 768p
50−55
45−50
high / 1080p
35−40
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 640 in Call of Duty: Warzone is 10% more, than Radeon HD 6950.
low / 768p
110−120
200−210
medium / 768p
90−95
170−180
ultra / 1080p
45−50
90−95
QHD / 1440p
24−27
50−55
4K / 2160p
18−20
30−33
high / 768p
65−70
130−140
The average gaming FPS of Radeon HD 6950 in Counter-Strike: Global Offensive is 88% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
35−40
medium / 1080p
45−50
45−50
GeForce GT 640 and Radeon HD 6950 have the same average FPS in Cyberpunk 2077.
low / 768p
70−75
100−110
medium / 768p
50−55
90−95
ultra / 1080p
27−30
60−65
The average gaming FPS of Radeon HD 6950 in Dota 2 is 68% more, than GeForce GT 640.
high / 1080p
3−4
16−18
ultra / 1080p
3−4
14−16
4K / 2160p
2−3
6−7
low / 720p
14−16
35−40
medium / 1080p
4−5
18−20
The average gaming FPS of Radeon HD 6950 in Far Cry 5 is 280% more, than GeForce GT 640.
high / 1080p
10−12
21−24
ultra / 1080p
5−6
18−20
QHD / 1440p
2−3
16−18
low / 720p
50−55
90−95
medium / 1080p
16−18
45−50
The average gaming FPS of Radeon HD 6950 in Fortnite is 129% more, than GeForce GT 640.
high / 1080p
6−7
24−27
ultra / 1080p
−
18−20
QHD / 1440p
4−5
8−9
4K / 2160p
2−3
−
low / 720p
21−24
45−50
medium / 1080p
9−10
27−30
The average gaming FPS of Radeon HD 6950 in Forza Horizon 4 is 170% more, than GeForce GT 640.
low / 768p
45−50
80−85
medium / 768p
−
70−75
high / 1080p
7−8
27−30
ultra / 1080p
3−4
10−12
QHD / 1440p
0−1
2−3
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 6950 in Grand Theft Auto V is 110% more, than GeForce GT 640.
high / 1080p
2−3
9−10
ultra / 1080p
0−1
7−8
4K / 2160p
0−1
2−3
low / 720p
8−9
27−30
medium / 1080p
4−5
12−14
The average gaming FPS of Radeon HD 6950 in Metro Exodus is 240% more, than GeForce GT 640.
low / 768p
80−85
110−120
ultra / 1080p
70−75
100−110
medium / 1080p
−
100−110
The average gaming FPS of Radeon HD 6950 in Minecraft is 42% more, than GeForce GT 640.
high / 1080p
−
21−24
ultra / 1080p
12−14
16−18
low / 720p
27−30
50−55
medium / 1080p
14−16
21−24
The average gaming FPS of Radeon HD 6950 in PLAYERUNKNOWN'S BATTLEGROUNDS is 66% more, than GeForce GT 640.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
9−10
QHD / 1440p
0−1
0−1
low / 720p
7−8
24−27
medium / 1080p
−
14−16
The average gaming FPS of Radeon HD 6950 in Red Dead Redemption 2 is 166% more, than GeForce GT 640.
low / 768p
14−16
50−55
medium / 768p
10−11
30−35
high / 1080p
5−6
16−18
ultra / 1080p
4−5
10−11
4K / 2160p
0−1
8−9
The average gaming FPS of Radeon HD 6950 in The Witcher 3: Wild Hunt is 250% more, than GeForce GT 640.
low / 768p
70−75
100−105
medium / 768p
35−40
60−65
ultra / 1080p
16−18
30−35
high / 768p
30−35
50−55
The average gaming FPS of Radeon HD 6950 in World of Tanks is 58% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Radeon HD 6950
Architecture
Kepler
TeraScale 3
Code name
GK107
Cayman
Type
Desktop
Desktop
Release date
5 June 2012
14 December 2010
Pipelines
384
1408
Core clock speed
902 MHz
Boost Clock
800 MHz
Transistor count
1,270 million
2,640 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
28.86
70.40
Floating-point performance
692.7 gflops
2,252.8 gflops
Length
145 mm
267 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
1250 MHz
Memory bandwidth
28.51 GB/s
DirectX
12 (11_0)
Shader Model
5.1
5.0
OpenGL
4.6
4.4
OpenCL
1.2
1.2
Vulkan
1.1.126
CUDA
3.0
Bus support
PCIe 2.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
24 Mh/s
244 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
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