Radeon HD 7750 vs Radeon RX 640
When comparing Radeon HD 7750 and Radeon RX 640, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 7750 and Radeon RX 640 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Radeon RX 640 is a Laptop Graphics Card
Note: Radeon RX 640 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 Radeon RX 640 here:
Main Specs
Radeon HD 7750
Radeon RX 640
Power consumption (TDP)
75 Watt
50 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 7750 has 50% more power consumption, than Radeon RX 640.
Radeon HD 7750 is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
Radeon RX 640 has 3 GB more memory, than Radeon HD 7750.
Radeon HD 7750 is used in Desktops, and Radeon RX 640 - in Laptops.
Radeon HD 7750 is build with GCN 1.0 architecture, and Radeon RX 640 - with Polaris.
Radeon HD 7750 is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 4875 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
7−8
5−6
ultra / 1080p
4−5
3−4
QHD / 1440p
0−1
2−3
low / 720p
18−20
16−18
medium / 1080p
9−10
7−8
The average gaming FPS of Radeon HD 7750 in Assassin's Creed Odyssey is 25% more, than Radeon RX 640.
high / 1080p
12−14
10−12
ultra / 1080p
10−12
8−9
QHD / 1440p
0−1
0−1
low / 720p
27−30
24−27
medium / 1080p
14−16
10−12
The average gaming FPS of Radeon HD 7750 in Battlefield 5 is 14% more, than Radeon RX 640.
low / 768p
45−50
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7750 in Call of Duty: Warzone is 4% more, than Radeon RX 640.
low / 768p
140−150
130−140
medium / 768p
120−130
100−110
ultra / 1080p
60−65
50−55
QHD / 1440p
30−35
27−30
4K / 2160p
27−30
12−14
high / 768p
90−95
80−85
The average gaming FPS of Radeon HD 7750 in Counter-Strike: Global Offensive is 17% more, than Radeon RX 640.
low / 768p
55−60
50−55
ultra / 1080p
21−24
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7750 in Cyberpunk 2077 is 7% more, than Radeon RX 640.
low / 768p
85−90
80−85
medium / 768p
65−70
55−60
ultra / 1080p
35−40
30−35
The average gaming FPS of Radeon HD 7750 in Dota 2 is 12% more, than Radeon RX 640.
high / 1080p
9−10
7−8
ultra / 1080p
8−9
5−6
4K / 2160p
4−5
5−6
low / 720p
21−24
18−20
medium / 1080p
10−11
8−9
The average gaming FPS of Radeon HD 7750 in Far Cry 5 is 22% more, than Radeon RX 640.
high / 1080p
16−18
7−8
ultra / 1080p
10−12
0−1
QHD / 1440p
−
0−1
low / 720p
65−70
60−65
medium / 1080p
27−30
18−20
The average gaming FPS of Radeon HD 7750 in Fortnite is 27% more, than Radeon RX 640.
high / 1080p
14−16
10−11
ultra / 1080p
12−14
−
QHD / 1440p
2−3
−
4K / 2160p
−
8−9
low / 720p
27−30
24−27
medium / 1080p
16−18
12−14
The average gaming FPS of Radeon HD 7750 in Forza Horizon 4 is 25% more, than Radeon RX 640.
low / 768p
55−60
50−55
medium / 768p
50−55
−
high / 1080p
14−16
10−12
ultra / 1080p
7−8
5−6
QHD / 1440p
0−1
−
medium / 720p
−
45−50
The average gaming FPS of Radeon HD 7750 in Grand Theft Auto V is 13% more, than Radeon RX 640.
high / 1080p
5−6
3−4
ultra / 1080p
4−5
1−2
4K / 2160p
0−1
−
low / 720p
14−16
10−11
medium / 1080p
7−8
5−6
The average gaming FPS of Radeon HD 7750 in Metro Exodus is 60% more, than Radeon RX 640.
low / 768p
95−100
90−95
high / 1080p
90−95
−
ultra / 1080p
80−85
80−85
medium / 1080p
95−100
−
The average gaming FPS of Radeon HD 7750 in Minecraft is 3% more, than Radeon RX 640.
high / 1080p
16−18
6−7
ultra / 1080p
14−16
2−3
4K / 2160p
−
0−1
low / 720p
35−40
27−30
medium / 1080p
18−20
10−11
The average gaming FPS of Radeon HD 7750 in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than Radeon RX 640.
ultra / 1080p
8−9
−
QHD / 1440p
0−1
−
low / 720p
14−16
10−12
medium / 1080p
10−12
9−10
The average gaming FPS of Radeon HD 7750 in Red Dead Redemption 2 is 30% more, than Radeon RX 640.
low / 768p
27−30
21−24
medium / 768p
18−20
14−16
high / 1080p
10−11
6−7
ultra / 1080p
7−8
4−5
4K / 2160p
6−7
3−4
The average gaming FPS of Radeon HD 7750 in The Witcher 3: Wild Hunt is 40% more, than Radeon RX 640.
low / 768p
85−90
75−80
medium / 768p
45−50
40−45
ultra / 1080p
21−24
18−20
high / 768p
40−45
35−40
The average gaming FPS of Radeon HD 7750 in World of Tanks is 13% more, than Radeon RX 640.
Full Specs
Radeon HD 7750
Radeon RX 640
Architecture
GCN 1.0
Polaris
Code name
Cape Verde
Polaris 12
Type
Desktop
Laptop
Release date
15 February 2012
12 August 2019
Pipelines
512
640
Core clock speed
1218 MHz
Boost Clock
800 MHz
1218 MHz
Transistor count
1,500 million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
25.60
38.98
Floating-point performance
819.2 gflops
Length
168 mm
Memory bus width
128 Bit
64 Bit
Memory clock speed
1125 MHz
6000 MHz
Memory bandwidth
72 GB/s
112.0 GB/s
Shared memory
-
DirectX
12 (12_0)
Shader Model
5.1
6.4
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2.131
FreeSync
+
+
Bus support
PCIe 2.1 x16
HDMI
+
Bitcoin / BTC (SHA256)
98 Mh/s
Laptop size
large
Eyefinity
+
Design
reference
DisplayPort support
+
CrossFire
+
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