GeForce GT 640 vs Radeon HD 6850
When choosing between GeForce GT 640 and Radeon HD 6850, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 640 and Radeon HD 6850.
Main Specs
GeForce GT 640
Radeon HD 6850
Power consumption (TDP)
65 Watt
127 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 6850 has 95% more power consumption, than GeForce GT 640.
GeForce GT 640 is connected by PCIe 3.0 x16, and Radeon HD 6850 uses PCIe 2.0 x16 interface.
GeForce GT 640 has 1 GB more memory, than Radeon HD 6850.
Both cards are used in Desktops.
GeForce GT 640 is build with Kepler architecture, and Radeon HD 6850 - with TeraScale 2.
GeForce GT 640 is manufactured by 28 nm process technology, and Radeon HD 6850 - by 40 nm process technology.
Radeon HD 6850 is 53 mm longer, than GeForce GT 640.
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
9−10
ultra / 1080p
1−2
5−6
QHD / 1440p
0−1
0−1
low / 720p
14−16
21−24
medium / 1080p
5−6
12−14
The average gaming FPS of Radeon HD 6850 in Assassin's Creed Odyssey is 100% more, than GeForce GT 640.
high / 1080p
7−8
16−18
ultra / 1080p
5−6
14−16
QHD / 1440p
0−1
0−1
low / 720p
20−22
35−40
medium / 1080p
7−8
16−18
The average gaming FPS of Radeon HD 6850 in Battlefield 5 is 110% 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 6850.
low / 768p
110−120
160−170
medium / 768p
90−95
130−140
ultra / 1080p
45−50
70−75
QHD / 1440p
24−27
40−45
4K / 2160p
18−20
30−33
high / 768p
65−70
100−110
The average gaming FPS of Radeon HD 6850 in Counter-Strike: Global Offensive is 49% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 640 in Cyberpunk 2077 is 6% more, than Radeon HD 6850.
low / 768p
70−75
90−95
medium / 768p
50−55
70−75
ultra / 1080p
27−30
45−50
The average gaming FPS of Radeon HD 6850 in Dota 2 is 37% more, than GeForce GT 640.
high / 1080p
3−4
10−12
ultra / 1080p
3−4
10−11
4K / 2160p
2−3
4−5
low / 720p
14−16
24−27
medium / 1080p
4−5
12−14
The average gaming FPS of Radeon HD 6850 in Far Cry 5 is 140% more, than GeForce GT 640.
high / 1080p
10−12
18−20
ultra / 1080p
5−6
12−14
QHD / 1440p
2−3
−
low / 720p
50−55
75−80
medium / 1080p
16−18
30−35
The average gaming FPS of Radeon HD 6850 in Fortnite is 66% more, than GeForce GT 640.
high / 1080p
6−7
16−18
ultra / 1080p
−
14−16
QHD / 1440p
4−5
4−5
4K / 2160p
2−3
−
low / 720p
21−24
35−40
medium / 1080p
9−10
18−20
The average gaming FPS of Radeon HD 6850 in Forza Horizon 4 is 90% more, than GeForce GT 640.
low / 768p
45−50
65−70
medium / 768p
−
55−60
high / 1080p
7−8
18−20
ultra / 1080p
3−4
8−9
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 6850 in Grand Theft Auto V is 63% more, than GeForce GT 640.
high / 1080p
2−3
6−7
ultra / 1080p
0−1
4−5
4K / 2160p
0−1
1−2
low / 720p
8−9
18−20
medium / 1080p
4−5
8−9
The average gaming FPS of Radeon HD 6850 in Metro Exodus is 120% more, than GeForce GT 640.
low / 768p
80−85
100−110
ultra / 1080p
70−75
90−95
medium / 1080p
−
95−100
The average gaming FPS of Radeon HD 6850 in Minecraft is 27% more, than GeForce GT 640.
high / 1080p
−
18−20
ultra / 1080p
12−14
14−16
low / 720p
27−30
40−45
medium / 1080p
14−16
20−22
The average gaming FPS of Radeon HD 6850 in PLAYERUNKNOWN'S BATTLEGROUNDS is 44% more, than GeForce GT 640.
high / 1080p
6−7
12−14
ultra / 1080p
4−5
8−9
QHD / 1440p
0−1
0−1
low / 720p
7−8
18−20
medium / 1080p
−
12−14
The average gaming FPS of Radeon HD 6850 in Red Dead Redemption 2 is 116% more, than GeForce GT 640.
low / 768p
14−16
35−40
medium / 768p
10−11
21−24
high / 1080p
5−6
12−14
ultra / 1080p
4−5
8−9
4K / 2160p
0−1
7−8
The average gaming FPS of Radeon HD 6850 in The Witcher 3: Wild Hunt is 150% more, than GeForce GT 640.
low / 768p
70−75
90−95
medium / 768p
35−40
50−55
ultra / 1080p
16−18
24−27
high / 768p
30−35
40−45
The average gaming FPS of Radeon HD 6850 in World of Tanks is 35% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Radeon HD 6850
Architecture
Kepler
TeraScale 2
Code name
GK107
Barts
Type
Desktop
Desktop
Release date
5 June 2012
21 October 2010
Pipelines
384
960
Core clock speed
902 MHz
Transistor count
1,270 million
1,700 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
28.86
37.20
Floating-point performance
692.7 gflops
1,488.0 gflops
Length
145 mm
198 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
Memory bandwidth
28.51 GB/s
128.0 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
AGP
Bitcoin / BTC (SHA256)
24 Mh/s
139 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
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