GeForce GT 640M vs Radeon HD 7750
When choosing between GeForce GT 640M and Radeon HD 7750, 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 640M and Radeon HD 7750.
GeForce GT 640M is a Laptop Graphics Card
Note: GeForce GT 640M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GT 640M here:
Main Specs
GeForce GT 640M
Radeon HD 7750
Power consumption (TDP)
32 Watt
75 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3\GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 7750 has 134% more power consumption, than GeForce GT 640M.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GT 640M has 1 GB more memory, than Radeon HD 7750.
GeForce GT 640M is used in Laptops, and Radeon HD 7750 - in Desktops.
GeForce GT 640M is build with Kepler architecture, and Radeon HD 7750 - with GCN 1.0.
GeForce GT 640M and Radeon HD 7750 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 640M is 675 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
0−1
7−8
ultra / 1080p
0−1
4−5
QHD / 1440p
0−1
0−1
low / 720p
10−12
18−20
medium / 1080p
2−3
9−10
The average gaming FPS of Radeon HD 7750 in Assassin's Creed Odyssey is 133% more, than GeForce GT 640M.
high / 1080p
−
12−14
ultra / 1080p
3−4
10−12
QHD / 1440p
0−1
0−1
low / 720p
12−14
27−30
medium / 1080p
4−5
14−16
The average gaming FPS of Radeon HD 7750 in Battlefield 5 is 157% more, than GeForce GT 640M.
low / 768p
50−55
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 640M in Call of Duty: Warzone is 6% more, than Radeon HD 7750.
low / 768p
110−120
140−150
medium / 768p
85−90
120−130
ultra / 1080p
35−40
60−65
QHD / 1440p
−
30−35
4K / 2160p
10−11
27−30
high / 768p
55−60
90−95
The average gaming FPS of Radeon HD 7750 in Counter-Strike: Global Offensive is 47% more, than GeForce GT 640M.
low / 768p
70−75
55−60
ultra / 1080p
12−14
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 640M in Cyberpunk 2077 is 4% more, than Radeon HD 7750.
low / 768p
70−75
85−90
medium / 768p
40−45
65−70
ultra / 1080p
18−20
35−40
The average gaming FPS of Radeon HD 7750 in Dota 2 is 45% more, than GeForce GT 640M.
high / 1080p
2−3
9−10
ultra / 1080p
2−3
8−9
4K / 2160p
0−1
4−5
low / 720p
9−10
21−24
medium / 1080p
3−4
10−11
The average gaming FPS of Radeon HD 7750 in Far Cry 5 is 200% more, than GeForce GT 640M.
high / 1080p
−
16−18
ultra / 1080p
5−6
10−12
QHD / 1440p
1−2
−
low / 720p
45−50
65−70
medium / 1080p
7−8
27−30
The average gaming FPS of Radeon HD 7750 in Fortnite is 75% more, than GeForce GT 640M.
high / 1080p
2−3
14−16
ultra / 1080p
−
12−14
QHD / 1440p
0−1
2−3
low / 720p
14−16
27−30
medium / 1080p
5−6
16−18
The average gaming FPS of Radeon HD 7750 in Forza Horizon 4 is 185% more, than GeForce GT 640M.
low / 768p
40−45
55−60
medium / 768p
−
50−55
high / 1080p
3−4
14−16
ultra / 1080p
2−3
7−8
QHD / 1440p
0−1
0−1
medium / 720p
30−35
−
The average gaming FPS of Radeon HD 7750 in Grand Theft Auto V is 62% more, than GeForce GT 640M.
high / 1080p
1−2
5−6
ultra / 1080p
0−1
4−5
4K / 2160p
0−1
0−1
low / 720p
2−3
14−16
medium / 1080p
2−3
7−8
The average gaming FPS of Radeon HD 7750 in Metro Exodus is 350% more, than GeForce GT 640M.
low / 768p
85−90
95−100
high / 1080p
55−60
90−95
ultra / 1080p
−
80−85
medium / 1080p
−
95−100
The average gaming FPS of Radeon HD 7750 in Minecraft is 31% more, than GeForce GT 640M.
high / 1080p
14−16
16−18
ultra / 1080p
12−14
14−16
low / 720p
24−27
35−40
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7750 in PLAYERUNKNOWN'S BATTLEGROUNDS is 29% more, than GeForce GT 640M.
ultra / 1080p
3−4
8−9
QHD / 1440p
0−1
0−1
low / 720p
3−4
14−16
medium / 1080p
−
10−12
The average gaming FPS of Radeon HD 7750 in Red Dead Redemption 2 is 266% more, than GeForce GT 640M.
low / 768p
7−8
27−30
medium / 768p
6−7
18−20
high / 1080p
3−4
10−11
ultra / 1080p
−
7−8
4K / 2160p
0−1
6−7
The average gaming FPS of Radeon HD 7750 in The Witcher 3: Wild Hunt is 280% more, than GeForce GT 640M.
low / 768p
70−75
85−90
medium / 768p
35−40
45−50
ultra / 1080p
12−14
21−24
high / 768p
27−30
40−45
The average gaming FPS of Radeon HD 7750 in World of Tanks is 35% more, than GeForce GT 640M.
Full Specs
GeForce GT 640M
Radeon HD 7750
Architecture
Kepler
GCN 1.0
Code name
N13P-GS
Cape Verde
Type
Laptop
Desktop
Release date
22 March 2012
15 February 2012
Pipelines
384
512
Boost Clock
645 MHz
800 MHz
Transistor count
1,270 million
1,500 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
25.60
Floating-point performance
480.0 gflops
819.2 gflops
Length
168 mm
Memory bus width
128bit
128 Bit
Memory clock speed
1800 - 4000 MHz
1125 MHz
Memory bandwidth
72 GB/s
Shared memory
-
DirectX
12 API
Shader Model
5.1
5.1
OpenGL
4.5
4.6
OpenCL
1.1
1.2
Vulkan
1.1.126
CUDA
+
FreeSync
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 2.1 x16
HDMI
+
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
18 Mh/s
98 Mh/s
Laptop size
medium sized
Optimus
+
Eyefinity
+
Design
reference
DisplayPort support
+
CrossFire
+
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