Radeon HD 8790M vs Radeon Pro Vega 20
If you are going to buy a new graphics card and are choosing between Radeon HD 8790M and Radeon Pro Vega 20, 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 HD 8790M stacks up against Radeon Pro Vega 20, check out specs charts below.
Radeon HD 8790M and Radeon Pro Vega 20 are Laptop Graphics Cards
Note: Radeon HD 8790M and Radeon Pro Vega 20 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 HD 8790M or Radeon Pro Vega 20 here:
Main Specs
Radeon HD 8790M
Radeon Pro Vega 20
Power consumption (TDP)
100 Watt
Interface
MXM-A (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Memory type
GDDR5
HBM2
Maximum RAM amount
2 GB
4 GB
Display Connectors
No outputs
No outputs
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Radeon HD 8790M is connected by MXM-A (3.0), and Radeon Pro Vega 20 uses PCIe 3.0 x16 interface.
Radeon Pro Vega 20 has 2 GB more memory, than Radeon HD 8790M.
Radeon HD 8790M is used in Laptops, and Radeon Pro Vega 20 - in Mobile workstations.
Radeon HD 8790M is build with GCN architecture, and Radeon Pro Vega 20 - with Vega.
Core clock speed of Radeon HD 8790M is 35 MHz higher, than Radeon Pro Vega 20.
Radeon HD 8790M is manufactured by 28 nm process technology, and Radeon Pro Vega 20 - by 14 nm process technology.
Memory clock speed of Radeon HD 8790M is 3020 MHz higher, than Radeon Pro Vega 20.
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
3−4
35−40
ultra / 1080p
1−2
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
14−16
60−65
medium / 1080p
6−7
40−45
The average gaming FPS of Radeon Pro Vega 20 in Assassin's Creed Odyssey is 583% more, than Radeon HD 8790M.
high / 1080p
8−9
55−60
ultra / 1080p
6−7
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
21−24
100−110
medium / 1080p
9−10
60−65
The average gaming FPS of Radeon Pro Vega 20 in Battlefield 5 is 518% more, than Radeon HD 8790M.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon Pro Vega 20 in Call of Duty: Warzone is 10% more, than Radeon HD 8790M.
low / 768p
120−130
250−260
medium / 768p
100−110
220−230
ultra / 1080p
50−55
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
−
70−75
high / 768p
75−80
210−220
The average gaming FPS of Radeon Pro Vega 20 in Counter-Strike: Global Offensive is 158% more, than Radeon HD 8790M.
low / 768p
70−75
60−65
ultra / 1080p
21−24
−
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon Pro Vega 20 in Cyberpunk 2077 is 5% more, than Radeon HD 8790M.
low / 768p
75−80
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
100−110
The average gaming FPS of Radeon Pro Vega 20 in Dota 2 is 109% more, than Radeon HD 8790M.
high / 1080p
4−5
45−50
ultra / 1080p
4−5
40−45
QHD / 1440p
−
27−30
4K / 2160p
1−2
14−16
low / 720p
14−16
80−85
medium / 1080p
6−7
45−50
The average gaming FPS of Radeon Pro Vega 20 in Far Cry 5 is 683% more, than Radeon HD 8790M.
high / 1080p
12−14
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
4−5
27−30
4K / 2160p
−
27−30
low / 720p
60−65
180−190
medium / 1080p
18−20
110−120
The average gaming FPS of Radeon Pro Vega 20 in Fortnite is 314% more, than Radeon HD 8790M.
high / 1080p
8−9
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
0−1
30−35
4K / 2160p
−
24−27
low / 720p
21−24
100−110
medium / 1080p
10−11
65−70
The average gaming FPS of Radeon Pro Vega 20 in Forza Horizon 4 is 483% more, than Radeon HD 8790M.
low / 768p
50−55
140−150
medium / 768p
−
120−130
high / 1080p
10−11
70−75
ultra / 1080p
4−5
30−35
QHD / 1440p
0−1
21−24
medium / 720p
40−45
−
The average gaming FPS of Radeon Pro Vega 20 in Grand Theft Auto V is 277% more, than Radeon HD 8790M.
high / 1080p
2−3
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
9−10
65−70
medium / 1080p
4−5
30−35
The average gaming FPS of Radeon Pro Vega 20 in Metro Exodus is 720% more, than Radeon HD 8790M.
low / 768p
85−90
130−140
high / 1080p
70−75
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon Pro Vega 20 in Minecraft is 55% more, than Radeon HD 8790M.
ultra / 1080p
12−14
14−16
low / 720p
30−35
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon Pro Vega 20 in PLAYERUNKNOWN'S BATTLEGROUNDS is 130% more, than Radeon HD 8790M.
high / 1080p
7−8
24−27
ultra / 1080p
4−5
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
8−9
65−70
medium / 1080p
8−9
35−40
The average gaming FPS of Radeon Pro Vega 20 in Red Dead Redemption 2 is 414% more, than Radeon HD 8790M.
low / 768p
20−22
130−140
medium / 768p
12−14
85−90
high / 1080p
7−8
45−50
ultra / 1080p
5−6
24−27
4K / 2160p
1−2
16−18
The average gaming FPS of Radeon Pro Vega 20 in The Witcher 3: Wild Hunt is 588% more, than Radeon HD 8790M.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
18−20
50−55
high / 768p
30−35
60−65
The average gaming FPS of Radeon Pro Vega 20 in World of Tanks is 59% more, than Radeon HD 8790M.
Full Specs
Radeon HD 8790M
Radeon Pro Vega 20
Architecture
GCN
Vega
Code name
Mars XTX
Vega Mobile
Type
Laptop
Mobile workstation
Release date
16 November 2012
15 November 2018
Pipelines
384
1280
Core clock speed
850 MHz
815 MHz
Boost Clock
900 MHz
1283 MHz
Transistor count
950 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
21.60
102.6
Floating-point performance
691.2 gflops
Memory bus width
128 Bit
1024 Bit
Memory clock speed
4500 MHz
1480 MHz
Memory bandwidth
64 GB/s
189.4 GB/s
Shared memory
-
-
DirectX
12 (11_1)
12 (12_1)
Shader Model
5.1
6.3
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2.131
1.2.131
Bitcoin / BTC (SHA256)
80 Mh/s
Laptop size
medium sized
large
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