Radeon RX 640 vs Radeon RX Vega M GL 870
If you are going to buy a new graphics card and are choosing between Radeon RX 640 and Radeon RX Vega M GL 870, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon RX 640 stacks up against Radeon RX Vega M GL 870, check out specs charts below.
Radeon RX 640 and Radeon RX Vega M GL 870 are Laptop Graphics Cards
Note: Radeon RX 640 and Radeon RX Vega M GL 870 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 Radeon RX Vega M GL 870 here:
Main Specs
Radeon RX 640
Radeon RX Vega M GL 870
Power consumption (TDP)
50 Watt
Interface
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR5
HBM2
Maximum RAM amount
4 GB
4 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon RX 640 and Radeon RX Vega M GL 870 have maximum RAM of 4 GB.
Both cards are used in Laptops.
Radeon RX 640 is build with Polaris architecture, and Radeon RX Vega M GL 870 - with Vega.
Core clock speed of Radeon RX 640 is 287 MHz higher, than Radeon RX Vega M GL 870.
Radeon RX 640 and Radeon RX Vega M GL 870 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
35−40
ultra / 1080p
3−4
21−24
QHD / 1440p
2−3
16−18
4K / 2160p
−
10−11
low / 720p
16−18
60−65
medium / 1080p
7−8
40−45
The average gaming FPS of Radeon RX Vega M GL 870 in Assassin's Creed Odyssey is 414% more, than Radeon RX 640.
high / 1080p
10−12
55−60
ultra / 1080p
8−9
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
24−27
100−110
medium / 1080p
10−12
60−65
The average gaming FPS of Radeon RX Vega M GL 870 in Battlefield 5 is 385% more, than Radeon RX 640.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon RX Vega M GL 870 in Call of Duty: Warzone is 10% more, than Radeon RX 640.
low / 768p
130−140
250−260
medium / 768p
100−110
220−230
ultra / 1080p
50−55
180−190
QHD / 1440p
27−30
110−120
4K / 2160p
12−14
70−75
high / 768p
80−85
210−220
The average gaming FPS of Radeon RX Vega M GL 870 in Counter-Strike: Global Offensive is 156% more, than Radeon RX 640.
low / 768p
50−55
60−65
ultra / 1080p
18−20
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon RX Vega M GL 870 in Cyberpunk 2077 is 20% more, than Radeon RX 640.
low / 768p
80−85
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
100−110
The average gaming FPS of Radeon RX Vega M GL 870 in Dota 2 is 101% more, than Radeon RX 640.
high / 1080p
7−8
45−50
ultra / 1080p
5−6
40−45
QHD / 1440p
−
27−30
4K / 2160p
5−6
14−16
low / 720p
18−20
80−85
medium / 1080p
8−9
45−50
The average gaming FPS of Radeon RX Vega M GL 870 in Far Cry 5 is 422% more, than Radeon RX 640.
high / 1080p
7−8
60−65
ultra / 1080p
0−1
45−50
QHD / 1440p
0−1
27−30
4K / 2160p
−
27−30
low / 720p
60−65
180−190
medium / 1080p
18−20
110−120
The average gaming FPS of Radeon RX Vega M GL 870 in Fortnite is 313% more, than Radeon RX 640.
high / 1080p
10−11
60−65
ultra / 1080p
−
45−50
QHD / 1440p
−
30−35
4K / 2160p
8−9
24−27
low / 720p
24−27
100−110
medium / 1080p
12−14
65−70
The average gaming FPS of Radeon RX Vega M GL 870 in Forza Horizon 4 is 364% more, than Radeon RX 640.
low / 768p
50−55
140−150
medium / 768p
−
120−130
high / 1080p
10−12
70−75
ultra / 1080p
5−6
30−35
QHD / 1440p
−
21−24
medium / 720p
45−50
−
The average gaming FPS of Radeon RX Vega M GL 870 in Grand Theft Auto V is 260% more, than Radeon RX 640.
high / 1080p
3−4
24−27
ultra / 1080p
1−2
20−22
QHD / 1440p
−
16−18
4K / 2160p
−
8−9
low / 720p
10−11
65−70
medium / 1080p
5−6
30−35
The average gaming FPS of Radeon RX Vega M GL 870 in Metro Exodus is 620% more, than Radeon RX 640.
low / 768p
90−95
130−140
ultra / 1080p
80−85
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon RX Vega M GL 870 in Minecraft is 46% more, than Radeon RX 640.
high / 1080p
6−7
−
ultra / 1080p
2−3
14−16
4K / 2160p
0−1
−
low / 720p
27−30
100−110
medium / 1080p
10−11
18−20
The average gaming FPS of Radeon RX Vega M GL 870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 253% more, than Radeon RX 640.
high / 1080p
−
24−27
ultra / 1080p
−
16−18
QHD / 1440p
−
10−11
4K / 2160p
−
7−8
low / 720p
10−12
65−70
medium / 1080p
9−10
35−40
The average gaming FPS of Radeon RX Vega M GL 870 in Red Dead Redemption 2 is 420% more, than Radeon RX 640.
low / 768p
21−24
130−140
medium / 768p
14−16
85−90
high / 1080p
6−7
45−50
ultra / 1080p
4−5
24−27
4K / 2160p
3−4
16−18
The average gaming FPS of Radeon RX Vega M GL 870 in The Witcher 3: Wild Hunt is 520% more, than Radeon RX 640.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
18−20
50−55
high / 768p
35−40
60−65
The average gaming FPS of Radeon RX Vega M GL 870 in World of Tanks is 52% more, than Radeon RX 640.
Full Specs
Radeon RX 640
Radeon RX Vega M GL 870
Architecture
Polaris
Vega
Code name
Polaris 12
Vega Kaby Lake-G
Type
Laptop
Laptop
Release date
12 August 2019
7 January 2018
Pipelines
640
1280
Core clock speed
1218 MHz
931 MHz
Boost Clock
1218 MHz
1011 MHz
Transistor count
2,200 million
Manufacturing process technology
14 nm
14 nm
Texture fill rate
38.98
Memory bus width
64 Bit
Memory clock speed
6000 MHz
Memory bandwidth
112.0 GB/s
Shared memory
-
-
DirectX
12 (12_0)
DirectX 12_1
Shader Model
6.4
OpenGL
4.6
OpenCL
2.0
Vulkan
1.2.131
FreeSync
+
Laptop size
large
medium sized
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