GeForce GTX 775M vs Radeon RX 640
When choosing between GeForce GTX 775M and Radeon RX 640, 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 GTX 775M and Radeon RX 640.
GeForce GTX 775M and Radeon RX 640 are Laptop Graphics Cards
Note: GeForce GTX 775M and Radeon RX 640 are only used in laptop graphics. They have 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 GTX 775M or Radeon RX 640 here:
Main Specs
GeForce GTX 775M
Radeon RX 640
Power consumption (TDP)
100 Watt
50 Watt
Interface
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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GeForce GTX 775M has 100% more power consumption, than Radeon RX 640.
GeForce GTX 775M and Radeon RX 640 have maximum RAM of 4 GB.
Both cards are used in Laptops.
GeForce GTX 775M is build with Kepler architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 499 MHz higher, than GeForce GTX 775M.
GeForce GTX 775M is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 2400 MHz higher, than GeForce GTX 775M.
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
21−24
5−6
ultra / 1080p
12−14
3−4
QHD / 1440p
7−8
2−3
4K / 2160p
5−6
−
low / 720p
40−45
16−18
medium / 1080p
27−30
7−8
The average gaming FPS of GeForce GTX 775M in Assassin's Creed Odyssey is 214% more, than Radeon RX 640.
high / 1080p
30−35
10−12
ultra / 1080p
30−33
8−9
QHD / 1440p
14−16
0−1
4K / 2160p
9−10
−
low / 720p
70−75
24−27
medium / 1080p
35−40
10−12
The average gaming FPS of GeForce GTX 775M in Battlefield 5 is 207% more, than Radeon RX 640.
low / 768p
50−55
45−50
high / 1080p
−
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 775M in Call of Duty: Warzone is 10% more, than Radeon RX 640.
low / 768p
230−240
130−140
medium / 768p
200−210
100−110
ultra / 1080p
120−130
50−55
QHD / 1440p
95−100
27−30
4K / 2160p
55−60
12−14
high / 768p
170−180
80−85
The average gaming FPS of GeForce GTX 775M in Counter-Strike: Global Offensive is 115% more, than Radeon RX 640.
low / 768p
60−65
50−55
ultra / 1080p
50−55
18−20
medium / 1080p
55−60
45−50
The average gaming FPS of GeForce GTX 775M in Cyberpunk 2077 is 46% more, than Radeon RX 640.
low / 768p
120−130
80−85
medium / 768p
110−120
55−60
ultra / 1080p
80−85
30−35
The average gaming FPS of GeForce GTX 775M in Dota 2 is 87% more, than Radeon RX 640.
high / 1080p
27−30
7−8
ultra / 1080p
24−27
5−6
QHD / 1440p
20−22
−
4K / 2160p
8−9
5−6
low / 720p
55−60
18−20
medium / 1080p
27−30
8−9
The average gaming FPS of GeForce GTX 775M in Far Cry 5 is 222% more, than Radeon RX 640.
high / 1080p
35−40
7−8
ultra / 1080p
27−30
0−1
QHD / 1440p
16−18
0−1
low / 720p
130−140
60−65
medium / 1080p
75−80
18−20
The average gaming FPS of GeForce GTX 775M in Fortnite is 186% more, than Radeon RX 640.
high / 1080p
35−40
10−11
ultra / 1080p
27−30
−
QHD / 1440p
14−16
−
4K / 2160p
14−16
8−9
low / 720p
70−75
24−27
medium / 1080p
40−45
12−14
The average gaming FPS of GeForce GTX 775M in Forza Horizon 4 is 192% more, than Radeon RX 640.
low / 768p
100−110
50−55
medium / 768p
95−100
−
high / 1080p
40−45
10−12
ultra / 1080p
18−20
5−6
QHD / 1440p
8−9
−
medium / 720p
−
45−50
The average gaming FPS of GeForce GTX 775M in Grand Theft Auto V is 139% more, than Radeon RX 640.
high / 1080p
14−16
3−4
ultra / 1080p
10−12
1−2
QHD / 1440p
10−12
−
4K / 2160p
3−4
−
low / 720p
40−45
10−11
medium / 1080p
18−20
5−6
The average gaming FPS of GeForce GTX 775M in Metro Exodus is 320% more, than Radeon RX 640.
low / 768p
120−130
90−95
ultra / 1080p
−
80−85
medium / 1080p
110−120
−
The average gaming FPS of GeForce GTX 775M in Minecraft is 35% more, than Radeon RX 640.
high / 1080p
−
6−7
ultra / 1080p
14−16
2−3
4K / 2160p
−
0−1
low / 720p
70−75
27−30
medium / 1080p
18−20
10−11
The average gaming FPS of GeForce GTX 775M in PLAYERUNKNOWN'S BATTLEGROUNDS is 169% more, than Radeon RX 640.
high / 1080p
16−18
−
ultra / 1080p
10−12
−
QHD / 1440p
2−3
−
4K / 2160p
2−3
−
low / 720p
40−45
10−12
medium / 1080p
21−24
9−10
The average gaming FPS of GeForce GTX 775M in Red Dead Redemption 2 is 220% more, than Radeon RX 640.
low / 768p
80−85
21−24
medium / 768p
45−50
14−16
high / 1080p
27−30
6−7
ultra / 1080p
14−16
4−5
4K / 2160p
9−10
3−4
The average gaming FPS of GeForce GTX 775M in The Witcher 3: Wild Hunt is 260% more, than Radeon RX 640.
low / 768p
90−95
75−80
medium / 768p
60−65
40−45
ultra / 1080p
40−45
18−20
high / 768p
55−60
35−40
The average gaming FPS of GeForce GTX 775M in World of Tanks is 43% more, than Radeon RX 640.
Full Specs
GeForce GTX 775M
Radeon RX 640
Architecture
Kepler
Polaris
Code name
N13E-GTX-A2
Polaris 12
Type
Laptop
Laptop
Release date
24 September 2013
12 August 2019
Pipelines
1344
640
Core clock speed
719 MHz
1218 MHz
Boost Clock
1218 MHz
Transistor count
3540 Million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
38.98
Memory bus width
256 Bit
64 Bit
Memory clock speed
3600 MHz
6000 MHz
Memory bandwidth
112.0 GB/s
Shared memory
-
-
DirectX
DirectX 11, Shader 5.0
12 (12_0)
Shader Model
6.4
OpenGL
4.6
OpenCL
2.0
Vulkan
1.2.131
CUDA
+
FreeSync
+
SLI options
+
Laptop size
large
large
Optimus
+
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