GeForce GT 640 vs Radeon HD 6970
When comparing GeForce GT 640 and Radeon HD 6970, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GT 640 and Radeon HD 6970 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Main Specs
GeForce GT 640
Radeon HD 6970
Power consumption (TDP)
65 Watt
550 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Memory type
DDR3
DDR5
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 6970 has 746% more power consumption, than GeForce GT 640.
GeForce GT 640 is connected by PCIe 3.0 x16, and Radeon HD 6970 uses PCIe 2.0 x16 interface.
GeForce GT 640 and Radeon HD 6970 have maximum RAM of 2 GB.
Both cards are used in Desktops.
GeForce GT 640 is build with Kepler architecture, and Radeon HD 6970 - with Terascale 2.
GeForce GT 640 is manufactured by 28 nm process technology, and Radeon HD 6970 - by 40 nm process technology.
Radeon HD 6970 is 122 mm longer, than GeForce GT 640.
Memory clock speed of GeForce GT 640 is 407 MHz higher, than Radeon HD 6970.
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
9−10
QHD / 1440p
0−1
3−4
low / 720p
14−16
30−35
medium / 1080p
5−6
18−20
The average gaming FPS of Radeon HD 6970 in Assassin's Creed Odyssey is 216% more, than GeForce GT 640.
high / 1080p
7−8
24−27
ultra / 1080p
5−6
21−24
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
20−22
50−55
medium / 1080p
7−8
27−30
The average gaming FPS of Radeon HD 6970 in Battlefield 5 is 220% 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 6970.
low / 768p
110−120
210−220
medium / 768p
90−95
180−190
ultra / 1080p
45−50
95−100
QHD / 1440p
24−27
50−55
4K / 2160p
18−20
30−33
high / 768p
65−70
140−150
The average gaming FPS of Radeon HD 6970 in Counter-Strike: Global Offensive is 98% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6970 in Cyberpunk 2077 is 4% more, than GeForce GT 640.
low / 768p
70−75
110−120
medium / 768p
50−55
90−95
ultra / 1080p
27−30
60−65
The average gaming FPS of Radeon HD 6970 in Dota 2 is 76% more, than GeForce GT 640.
high / 1080p
3−4
18−20
ultra / 1080p
3−4
16−18
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 6970 in Far Cry 5 is 280% more, than GeForce GT 640.
high / 1080p
10−12
24−27
ultra / 1080p
5−6
18−20
QHD / 1440p
2−3
16−18
low / 720p
50−55
95−100
medium / 1080p
16−18
50−55
The average gaming FPS of Radeon HD 6970 in Fortnite is 147% more, than GeForce GT 640.
high / 1080p
6−7
24−27
ultra / 1080p
−
20−22
QHD / 1440p
4−5
9−10
4K / 2160p
2−3
−
low / 720p
21−24
50−55
medium / 1080p
9−10
27−30
The average gaming FPS of Radeon HD 6970 in Forza Horizon 4 is 190% more, than GeForce GT 640.
low / 768p
45−50
85−90
medium / 768p
−
75−80
high / 1080p
7−8
30−33
ultra / 1080p
3−4
12−14
QHD / 1440p
0−1
3−4
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 6970 in Grand Theft Auto V is 131% 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 6970 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 6970 in Minecraft is 42% more, than GeForce GT 640.
high / 1080p
−
21−24
ultra / 1080p
12−14
18−20
low / 720p
27−30
55−60
medium / 1080p
14−16
24−27
The average gaming FPS of Radeon HD 6970 in PLAYERUNKNOWN'S BATTLEGROUNDS is 88% 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
27−30
medium / 1080p
−
16−18
The average gaming FPS of Radeon HD 6970 in Red Dead Redemption 2 is 183% more, than GeForce GT 640.
low / 768p
14−16
55−60
medium / 768p
10−11
30−35
high / 1080p
5−6
18−20
ultra / 1080p
4−5
10−12
4K / 2160p
0−1
8−9
The average gaming FPS of Radeon HD 6970 in The Witcher 3: Wild Hunt is 275% more, than GeForce GT 640.
low / 768p
70−75
100−110
medium / 768p
35−40
60−65
ultra / 1080p
16−18
35−40
high / 768p
30−35
50−55
The average gaming FPS of Radeon HD 6970 in World of Tanks is 64% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Radeon HD 6970
Architecture
Kepler
Terascale 2
Code name
GK107
Cayman
Type
Desktop
Desktop
Release date
5 June 2012
14 December 2010
Pipelines
384
1536
Core clock speed
902 MHz
Boost Clock
880 MHz
Transistor count
1,270 million
2,640 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
28.86
84.48
Floating-point performance
692.7 gflops
2,703.4 gflops
Length
145 mm
267 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
1375 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
273 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
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