Radeon RX 640 vs UHD Graphics 620
Find out if it is worth upgrading your current GPU setup by comparing Radeon RX 640 and UHD Graphics 620. 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 Radeon RX 640 and UHD Graphics 620. 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.
Radeon RX 640 and UHD Graphics 620 are Laptop Graphics Cards
Note: Radeon RX 640 and UHD Graphics 620 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 Radeon RX 640 or UHD Graphics 620 here:
Main Specs
Radeon RX 640
UHD Graphics 620
Power consumption (TDP)
50 Watt
15 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Supplementary power connectors
None
Memory type
GDDR5
LPDDR3/DDR4
Maximum RAM amount
4 GB
32 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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Radeon RX 640 has 233% more power consumption, than UHD Graphics 620.
Radeon RX 640 is connected by PCIe 3.0 x8, and UHD Graphics 620 uses PCIe 3.0 x1 interface.
UHD Graphics 620 has 28 GB more memory, than Radeon RX 640.
Both cards are used in Laptops.
Radeon RX 640 is build with Polaris architecture, and UHD Graphics 620 - with Gen. 9.5.
Core clock speed of Radeon RX 640 is 918 MHz higher, than UHD Graphics 620.
Radeon RX 640 and UHD Graphics 620 are manufactured by 14 nm process technology.
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
5−6
2−3
ultra / 1080p
3−4
0−1
QHD / 1440p
2−3
0−1
low / 720p
16−18
12−14
medium / 1080p
7−8
3−4
The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 66% more, than UHD Graphics 620.
high / 1080p
10−12
6−7
ultra / 1080p
8−9
4−5
QHD / 1440p
0−1
0−1
low / 720p
24−27
16−18
medium / 1080p
10−12
6−7
The average gaming FPS of Radeon RX 640 in Battlefield 5 is 75% more, than UHD Graphics 620.
low / 768p
45−50
45−50
high / 1080p
40−45
40−45
QHD / 1440p
0−1
0−1
Radeon RX 640 and UHD Graphics 620 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
100−110
medium / 768p
100−110
80−85
ultra / 1080p
50−55
40−45
QHD / 1440p
27−30
21−24
4K / 2160p
12−14
16−18
high / 768p
80−85
60−65
The average gaming FPS of Radeon RX 640 in Counter-Strike: Global Offensive is 25% more, than UHD Graphics 620.
low / 768p
50−55
85−90
ultra / 1080p
18−20
18−20
medium / 1080p
45−50
40−45
The average gaming FPS of UHD Graphics 620 in Cyberpunk 2077 is 25% more, than Radeon RX 640.
low / 768p
80−85
80−85
medium / 768p
55−60
55−60
ultra / 1080p
30−35
27−30
The average gaming FPS of Radeon RX 640 in Dota 2 is 1% more, than UHD Graphics 620.
high / 1080p
7−8
2−3
ultra / 1080p
5−6
2−3
4K / 2160p
5−6
1−2
low / 720p
18−20
12−14
medium / 1080p
8−9
3−4
The average gaming FPS of Radeon RX 640 in Far Cry 5 is 125% more, than UHD Graphics 620.
high / 1080p
7−8
10−11
ultra / 1080p
0−1
5−6
QHD / 1440p
0−1
1−2
low / 720p
60−65
50−55
medium / 1080p
18−20
12−14
The average gaming FPS of Radeon RX 640 in Fortnite is 16% more, than UHD Graphics 620.
high / 1080p
10−11
5−6
QHD / 1440p
−
3−4
4K / 2160p
8−9
2−3
low / 720p
24−27
16−18
medium / 1080p
12−14
8−9
The average gaming FPS of Radeon RX 640 in Forza Horizon 4 is 75% more, than UHD Graphics 620.
low / 768p
50−55
40−45
medium / 768p
−
35−40
high / 1080p
10−12
5−6
ultra / 1080p
5−6
3−4
QHD / 1440p
−
0−1
medium / 720p
45−50
−
The average gaming FPS of Radeon RX 640 in Grand Theft Auto V is 35% more, than UHD Graphics 620.
high / 1080p
3−4
1−2
ultra / 1080p
1−2
0−1
low / 720p
10−11
5−6
medium / 1080p
5−6
3−4
The average gaming FPS of Radeon RX 640 in Metro Exodus is 100% more, than UHD Graphics 620.
low / 768p
90−95
95−100
high / 1080p
−
60−65
ultra / 1080p
80−85
−
medium / 1080p
−
85−90
The average gaming FPS of UHD Graphics 620 in Minecraft is 5% more, than Radeon RX 640.
high / 1080p
6−7
−
ultra / 1080p
2−3
12−14
4K / 2160p
0−1
−
low / 720p
27−30
27−30
medium / 1080p
10−11
14−16
The average gaming FPS of UHD Graphics 620 in PLAYERUNKNOWN'S BATTLEGROUNDS is 38% more, than Radeon RX 640.
ultra / 1080p
−
4−5
QHD / 1440p
−
0−1
low / 720p
10−12
4−5
medium / 1080p
9−10
−
The average gaming FPS of Radeon RX 640 in Red Dead Redemption 2 is 175% more, than UHD Graphics 620.
low / 768p
21−24
12−14
medium / 768p
14−16
9−10
high / 1080p
6−7
4−5
ultra / 1080p
4−5
3−4
4K / 2160p
3−4
0−1
The average gaming FPS of Radeon RX 640 in The Witcher 3: Wild Hunt is 71% more, than UHD Graphics 620.
low / 768p
75−80
65−70
medium / 768p
40−45
35−40
ultra / 1080p
18−20
14−16
high / 768p
35−40
27−30
The average gaming FPS of Radeon RX 640 in World of Tanks is 18% more, than UHD Graphics 620.
Full Specs
Radeon RX 640
UHD Graphics 620
Architecture
Polaris
Gen. 9.5
Code name
Polaris 12
Kaby-Lake-Refresh GT2
Type
Laptop
Laptop
Release date
12 August 2019
1 September 2017
Pipelines
640
24
Core clock speed
1218 MHz
300 MHz
Boost Clock
1218 MHz
1150 MHz
Transistor count
2,200 million
189 million
Manufacturing process technology
14 nm
14 nm
Texture fill rate
38.98
27.60
Memory bus width
64 Bit
64/128 Bit
Memory clock speed
6000 MHz
Memory bandwidth
112.0 GB/s
Shared memory
-
+
DirectX
12 (12_0)
12 (12_1)
Shader Model
6.4
6.4
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2.131
1.1.103
FreeSync
+
Laptop size
large
Quick Sync
+
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