GeForce GT 640 vs Radeon HD 7850
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Radeon HD 7850. 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 7850. 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 7850
Power consumption (TDP)
65 Watt
225 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7850 has 246% more power consumption, than GeForce GT 640.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GT 640 and Radeon HD 7850 have maximum RAM of 2 GB.
Both cards are used in Desktops.
GeForce GT 640 is build with Kepler architecture, and Radeon HD 7850 - with GCN 1.0.
GeForce GT 640 and Radeon HD 7850 are manufactured by 28 nm process technology.
Radeon HD 7850 is 65 mm longer, than GeForce GT 640.
Memory clock speed of GeForce GT 640 is 582 MHz higher, than Radeon HD 7850.
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
18−20
ultra / 1080p
1−2
10−12
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
14−16
35−40
medium / 1080p
5−6
24−27
The average gaming FPS of Radeon HD 7850 in Assassin's Creed Odyssey is 283% more, than GeForce GT 640.
high / 1080p
7−8
30−33
ultra / 1080p
5−6
24−27
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
20−22
60−65
medium / 1080p
7−8
30−35
The average gaming FPS of Radeon HD 7850 in Battlefield 5 is 280% 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 7850 have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
220−230
medium / 768p
90−95
190−200
ultra / 1080p
45−50
110−120
QHD / 1440p
24−27
80−85
4K / 2160p
18−20
40−45
high / 768p
65−70
160−170
The average gaming FPS of Radeon HD 7850 in Counter-Strike: Global Offensive is 124% more, than GeForce GT 640.
low / 768p
70−75
60−65
ultra / 1080p
21−24
45−50
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7850 in Cyberpunk 2077 is 17% more, than GeForce GT 640.
low / 768p
70−75
110−120
medium / 768p
50−55
100−110
ultra / 1080p
27−30
75−80
The average gaming FPS of Radeon HD 7850 in Dota 2 is 94% more, than GeForce GT 640.
high / 1080p
3−4
21−24
ultra / 1080p
3−4
21−24
QHD / 1440p
−
18−20
4K / 2160p
2−3
7−8
low / 720p
14−16
50−55
medium / 1080p
4−5
24−27
The average gaming FPS of Radeon HD 7850 in Far Cry 5 is 420% more, than GeForce GT 640.
high / 1080p
10−12
30−35
ultra / 1080p
5−6
21−24
QHD / 1440p
2−3
14−16
low / 720p
50−55
110−120
medium / 1080p
16−18
65−70
The average gaming FPS of Radeon HD 7850 in Fortnite is 194% more, than GeForce GT 640.
high / 1080p
6−7
30−35
ultra / 1080p
−
24−27
QHD / 1440p
4−5
12−14
4K / 2160p
2−3
12−14
low / 720p
21−24
65−70
medium / 1080p
9−10
35−40
The average gaming FPS of Radeon HD 7850 in Forza Horizon 4 is 255% more, than GeForce GT 640.
low / 768p
45−50
100−105
medium / 768p
−
90−95
high / 1080p
7−8
35−40
ultra / 1080p
3−4
14−16
QHD / 1440p
0−1
6−7
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 7850 in Grand Theft Auto V is 168% more, than GeForce GT 640.
high / 1080p
2−3
12−14
ultra / 1080p
0−1
9−10
4K / 2160p
0−1
2−3
low / 720p
8−9
35−40
medium / 1080p
4−5
16−18
The average gaming FPS of Radeon HD 7850 in Metro Exodus is 340% more, than GeForce GT 640.
low / 768p
80−85
110−120
ultra / 1080p
70−75
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon HD 7850 in Minecraft is 40% more, than GeForce GT 640.
ultra / 1080p
12−14
14−16
low / 720p
27−30
65−70
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7850 in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than GeForce GT 640.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
10−11
QHD / 1440p
0−1
1−2
4K / 2160p
−
0−1
low / 720p
7−8
35−40
medium / 1080p
−
20−22
The average gaming FPS of Radeon HD 7850 in Red Dead Redemption 2 is 250% more, than GeForce GT 640.
low / 768p
14−16
70−75
medium / 768p
10−11
40−45
high / 1080p
5−6
24−27
ultra / 1080p
4−5
12−14
4K / 2160p
0−1
7−8
The average gaming FPS of Radeon HD 7850 in The Witcher 3: Wild Hunt is 375% more, than GeForce GT 640.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
16−18
40−45
high / 768p
30−35
55−60
The average gaming FPS of Radeon HD 7850 in World of Tanks is 61% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Radeon HD 7850
Architecture
Kepler
GCN 1.0
Code name
GK107
Pitcairn
Type
Desktop
Desktop
Release date
5 June 2012
5 March 2012
Pipelines
384
1024
Core clock speed
902 MHz
Boost Clock
1000 MHz
Transistor count
1,270 million
2,800 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
28.86
55.04
Floating-point performance
692.7 gflops
1,761 gflops
Length
145 mm
210 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
1200 MHz
Memory bandwidth
28.51 GB/s
153.6 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
FreeSync
+
Bus support
PCIe 2.1 x16
HDMI
+
Bitcoin / BTC (SHA256)
24 Mh/s
249 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
Ethereum / ETH (DaggerHashimoto)
12.5 Mh/s
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