GeForce GT 640 vs Radeon HD 7750
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Radeon HD 7750. 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 7750. 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 7750
Power consumption (TDP)
65 Watt
75 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 7750 has 15% more power consumption, than GeForce GT 640.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GT 640 has 1 GB more memory, than Radeon HD 7750.
Both cards are used in Desktops.
GeForce GT 640 is build with Kepler architecture, and Radeon HD 7750 - with GCN 1.0.
GeForce GT 640 and Radeon HD 7750 are manufactured by 28 nm process technology.
Radeon HD 7750 is 23 mm longer, than GeForce GT 640.
Memory clock speed of GeForce GT 640 is 657 MHz higher, than Radeon HD 7750.
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
7−8
ultra / 1080p
1−2
4−5
QHD / 1440p
0−1
0−1
low / 720p
14−16
18−20
medium / 1080p
5−6
9−10
The average gaming FPS of Radeon HD 7750 in Assassin's Creed Odyssey is 66% more, than GeForce GT 640.
high / 1080p
7−8
12−14
ultra / 1080p
5−6
10−12
QHD / 1440p
0−1
0−1
low / 720p
20−22
27−30
medium / 1080p
7−8
14−16
The average gaming FPS of Radeon HD 7750 in Battlefield 5 is 60% more, than GeForce GT 640.
low / 768p
50−55
45−50
high / 1080p
35−40
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7750 in Call of Duty: Warzone is 4% more, than GeForce GT 640.
low / 768p
110−120
140−150
medium / 768p
90−95
120−130
ultra / 1080p
45−50
60−65
QHD / 1440p
24−27
30−35
4K / 2160p
18−20
27−30
high / 768p
65−70
90−95
The average gaming FPS of Radeon HD 7750 in Counter-Strike: Global Offensive is 32% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 640 in Cyberpunk 2077 is 11% more, than Radeon HD 7750.
low / 768p
70−75
85−90
medium / 768p
50−55
65−70
ultra / 1080p
27−30
35−40
The average gaming FPS of Radeon HD 7750 in Dota 2 is 25% more, than GeForce GT 640.
high / 1080p
3−4
9−10
ultra / 1080p
3−4
8−9
4K / 2160p
2−3
4−5
low / 720p
14−16
21−24
medium / 1080p
4−5
10−11
The average gaming FPS of Radeon HD 7750 in Far Cry 5 is 120% more, than GeForce GT 640.
high / 1080p
10−12
16−18
ultra / 1080p
5−6
10−12
QHD / 1440p
2−3
−
low / 720p
50−55
65−70
medium / 1080p
16−18
27−30
The average gaming FPS of Radeon HD 7750 in Fortnite is 47% more, than GeForce GT 640.
high / 1080p
6−7
14−16
ultra / 1080p
−
12−14
QHD / 1440p
4−5
2−3
4K / 2160p
2−3
−
low / 720p
21−24
27−30
medium / 1080p
9−10
16−18
The average gaming FPS of Radeon HD 7750 in Forza Horizon 4 is 50% more, than GeForce GT 640.
low / 768p
45−50
55−60
medium / 768p
−
50−55
high / 1080p
7−8
14−16
ultra / 1080p
3−4
7−8
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 7750 in Grand Theft Auto V is 36% more, than GeForce GT 640.
high / 1080p
2−3
5−6
ultra / 1080p
0−1
4−5
4K / 2160p
0−1
0−1
low / 720p
8−9
14−16
medium / 1080p
4−5
7−8
The average gaming FPS of Radeon HD 7750 in Metro Exodus is 80% more, than GeForce GT 640.
low / 768p
80−85
95−100
high / 1080p
−
90−95
ultra / 1080p
70−75
80−85
medium / 1080p
−
95−100
The average gaming FPS of Radeon HD 7750 in Minecraft is 16% more, than GeForce GT 640.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
27−30
35−40
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7750 in PLAYERUNKNOWN'S BATTLEGROUNDS is 27% more, than GeForce GT 640.
high / 1080p
6−7
−
ultra / 1080p
4−5
8−9
QHD / 1440p
0−1
0−1
low / 720p
7−8
14−16
medium / 1080p
−
10−12
The average gaming FPS of Radeon HD 7750 in Red Dead Redemption 2 is 83% more, than GeForce GT 640.
low / 768p
14−16
27−30
medium / 768p
10−11
18−20
high / 1080p
5−6
10−11
ultra / 1080p
4−5
7−8
4K / 2160p
0−1
6−7
The average gaming FPS of Radeon HD 7750 in The Witcher 3: Wild Hunt is 100% more, than GeForce GT 640.
low / 768p
70−75
85−90
medium / 768p
35−40
45−50
ultra / 1080p
16−18
21−24
high / 768p
30−35
40−45
The average gaming FPS of Radeon HD 7750 in World of Tanks is 28% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Radeon HD 7750
Architecture
Kepler
GCN 1.0
Code name
GK107
Cape Verde
Type
Desktop
Desktop
Release date
5 June 2012
15 February 2012
Pipelines
384
512
Core clock speed
902 MHz
Boost Clock
800 MHz
Transistor count
1,270 million
1,500 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
28.86
25.60
Floating-point performance
692.7 gflops
819.2 gflops
Length
145 mm
168 mm
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
1125 MHz
Memory bandwidth
28.51 GB/s
72 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
98 Mh/s
Eyefinity
+
Design
reference
DisplayPort support
+
CrossFire
+
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