GeForce GT 755M SLI vs Radeon RX 640
When choosing between GeForce GT 755M SLI 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 GT 755M SLI and Radeon RX 640.
GeForce GT 755M SLI and Radeon RX 640 are Laptop Graphics Cards
Note: GeForce GT 755M SLI 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 GT 755M SLI or Radeon RX 640 here:
Main Specs
GeForce GT 755M SLI
Radeon RX 640
Power consumption (TDP)
2x ~50 Watt
50 Watt
Interface
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 2 GB
4 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon RX 640 has 2400% more power consumption, than GeForce GT 755M SLI.
Radeon RX 640 has 2 GB more memory, than GeForce GT 755M SLI.
Both cards are used in Laptops.
GeForce GT 755M SLI is build with Kepler architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 238 MHz higher, than GeForce GT 755M SLI.
GeForce GT 755M SLI is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 600 MHz higher, than GeForce GT 755M SLI.
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
14−16
5−6
ultra / 1080p
8−9
3−4
QHD / 1440p
2−3
2−3
low / 720p
30−35
16−18
medium / 1080p
18−20
7−8
The average gaming FPS of GeForce GT 755M SLI in Assassin's Creed Odyssey is 114% more, than Radeon RX 640.
high / 1080p
21−24
10−12
ultra / 1080p
18−20
8−9
QHD / 1440p
2−3
0−1
low / 720p
50−55
24−27
medium / 1080p
24−27
10−12
The average gaming FPS of GeForce GT 755M SLI in Battlefield 5 is 107% more, than Radeon RX 640.
low / 768p
50−55
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 755M SLI in Call of Duty: Warzone is 11% more, than Radeon RX 640.
low / 768p
200−210
130−140
medium / 768p
170−180
100−110
ultra / 1080p
90−95
50−55
QHD / 1440p
50−55
27−30
4K / 2160p
24−27
12−14
high / 768p
140−150
80−85
The average gaming FPS of GeForce GT 755M SLI in Counter-Strike: Global Offensive is 66% more, than Radeon RX 640.
low / 768p
60−65
50−55
ultra / 1080p
40−45
18−20
medium / 1080p
55−60
45−50
The average gaming FPS of GeForce GT 755M SLI in Cyberpunk 2077 is 38% more, than Radeon RX 640.
low / 768p
110−120
80−85
medium / 768p
95−100
55−60
ultra / 1080p
60−65
30−35
The average gaming FPS of GeForce GT 755M SLI in Dota 2 is 59% more, than Radeon RX 640.
high / 1080p
16−18
7−8
ultra / 1080p
14−16
5−6
4K / 2160p
5−6
5−6
low / 720p
35−40
18−20
medium / 1080p
18−20
8−9
The average gaming FPS of GeForce GT 755M SLI in Far Cry 5 is 100% more, than Radeon RX 640.
high / 1080p
24−27
7−8
ultra / 1080p
18−20
0−1
QHD / 1440p
12−14
0−1
low / 720p
95−100
60−65
medium / 1080p
50−55
18−20
The average gaming FPS of GeForce GT 755M SLI in Fortnite is 100% more, than Radeon RX 640.
high / 1080p
24−27
10−11
ultra / 1080p
18−20
−
QHD / 1440p
7−8
−
4K / 2160p
−
8−9
low / 720p
50−55
24−27
medium / 1080p
27−30
12−14
The average gaming FPS of GeForce GT 755M SLI in Forza Horizon 4 is 118% more, than Radeon RX 640.
low / 768p
85−90
50−55
medium / 768p
75−80
−
high / 1080p
27−30
10−12
ultra / 1080p
10−12
5−6
QHD / 1440p
1−2
−
medium / 720p
−
45−50
The average gaming FPS of GeForce GT 755M SLI in Grand Theft Auto V is 82% more, than Radeon RX 640.
high / 1080p
9−10
3−4
ultra / 1080p
7−8
1−2
4K / 2160p
0−1
−
low / 720p
27−30
10−11
medium / 1080p
12−14
5−6
The average gaming FPS of GeForce GT 755M SLI in Metro Exodus is 180% more, than Radeon RX 640.
low / 768p
110−120
90−95
ultra / 1080p
100−110
80−85
medium / 1080p
100−110
−
The average gaming FPS of GeForce GT 755M SLI in Minecraft is 26% more, than Radeon RX 640.
high / 1080p
−
6−7
ultra / 1080p
14−16
2−3
4K / 2160p
−
0−1
low / 720p
55−60
27−30
medium / 1080p
18−20
10−11
The average gaming FPS of GeForce GT 755M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 130% more, than Radeon RX 640.
high / 1080p
12−14
−
ultra / 1080p
8−9
−
QHD / 1440p
0−1
−
low / 720p
27−30
10−12
medium / 1080p
16−18
9−10
The average gaming FPS of GeForce GT 755M SLI in Red Dead Redemption 2 is 120% more, than Radeon RX 640.
low / 768p
50−55
21−24
medium / 768p
30−35
14−16
high / 1080p
18−20
6−7
ultra / 1080p
10−11
4−5
4K / 2160p
6−7
3−4
The average gaming FPS of GeForce GT 755M SLI in The Witcher 3: Wild Hunt is 140% more, than Radeon RX 640.
low / 768p
90−95
75−80
medium / 768p
60−65
40−45
ultra / 1080p
30−35
18−20
high / 768p
50−55
35−40
The average gaming FPS of GeForce GT 755M SLI in World of Tanks is 36% more, than Radeon RX 640.
Full Specs
GeForce GT 755M SLI
Radeon RX 640
Architecture
Kepler
Polaris
Code name
N14P-?
Polaris 12
Type
Laptop
Laptop
Release date
1 November 2013
12 August 2019
Pipelines
768
640
Core clock speed
980 MHz
1218 MHz
Boost Clock
1218 MHz
Transistor count
2x 1300 Million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
38.98
Memory bus width
2x 128 Bit
64 Bit
Memory clock speed
5400 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
+
Laptop size
large
large
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