Radeon HD 8790M vs Radeon Pro 455
If you are going to buy a new graphics card and are choosing between Radeon HD 8790M and Radeon Pro 455, 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 455, check out specs charts below.
Radeon HD 8790M and Radeon Pro 455 are Laptop Graphics Cards
Note: Radeon HD 8790M and Radeon Pro 455 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 455 here:
Main Specs
Radeon HD 8790M
Radeon Pro 455
Power consumption (TDP)
35 Watt
Interface
MXM-A (3.0)
PCIe 3.0 x8
Supplementary power connectors
None
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
No outputs
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Radeon HD 8790M is connected by MXM-A (3.0), and Radeon Pro 455 uses PCIe 3.0 x8 interface.
Radeon HD 8790M and Radeon Pro 455 have maximum RAM of 2 GB.
Radeon HD 8790M is used in Laptops, and Radeon Pro 455 - in Mobile workstations.
Radeon HD 8790M is build with GCN architecture, and Radeon Pro 455 - with Polaris.
Core clock speed of Radeon Pro 455 is 5 MHz higher, than Radeon HD 8790M.
Radeon HD 8790M is manufactured by 28 nm process technology, and Radeon Pro 455 - by 14 nm process technology.
Memory clock speed of Radeon Pro 455 is 500 MHz higher, than Radeon HD 8790M.
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
16−18
ultra / 1080p
1−2
9−10
QHD / 1440p
0−1
4−5
4K / 2160p
−
4−5
low / 720p
14−16
30−35
medium / 1080p
6−7
20−22
The average gaming FPS of Radeon Pro 455 in Assassin's Creed Odyssey is 233% more, than Radeon HD 8790M.
high / 1080p
8−9
24−27
ultra / 1080p
6−7
21−24
QHD / 1440p
0−1
9−10
4K / 2160p
−
6−7
low / 720p
21−24
55−60
medium / 1080p
9−10
27−30
The average gaming FPS of Radeon Pro 455 in Battlefield 5 is 200% more, than Radeon HD 8790M.
low / 768p
45−50
45−50
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
Radeon HD 8790M and Radeon Pro 455 have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
210−220
medium / 768p
100−110
180−190
ultra / 1080p
50−55
100−110
QHD / 1440p
24−27
55−60
4K / 2160p
−
30−35
high / 768p
75−80
140−150
The average gaming FPS of Radeon Pro 455 in Counter-Strike: Global Offensive is 83% more, than Radeon HD 8790M.
low / 768p
70−75
55−60
ultra / 1080p
21−24
40−45
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon Pro 455 in Cyberpunk 2077 is 8% more, than Radeon HD 8790M.
low / 768p
75−80
110−120
medium / 768p
55−60
95−100
ultra / 1080p
30−35
65−70
The average gaming FPS of Radeon Pro 455 in Dota 2 is 69% more, than Radeon HD 8790M.
high / 1080p
4−5
18−20
ultra / 1080p
4−5
16−18
QHD / 1440p
−
16−18
4K / 2160p
1−2
6−7
low / 720p
14−16
40−45
medium / 1080p
6−7
20−22
The average gaming FPS of Radeon Pro 455 in Far Cry 5 is 250% more, than Radeon HD 8790M.
high / 1080p
12−14
24−27
ultra / 1080p
7−8
20−22
QHD / 1440p
4−5
16−18
low / 720p
60−65
100−110
medium / 1080p
18−20
55−60
The average gaming FPS of Radeon Pro 455 in Fortnite is 114% more, than Radeon HD 8790M.
high / 1080p
8−9
27−30
ultra / 1080p
7−8
21−24
QHD / 1440p
0−1
10−11
4K / 2160p
−
10−11
low / 720p
21−24
55−60
medium / 1080p
10−11
30−33
The average gaming FPS of Radeon Pro 455 in Forza Horizon 4 is 191% more, than Radeon HD 8790M.
low / 768p
50−55
85−90
medium / 768p
−
80−85
high / 1080p
10−11
30−35
ultra / 1080p
4−5
12−14
QHD / 1440p
0−1
3−4
medium / 720p
40−45
−
The average gaming FPS of Radeon Pro 455 in Grand Theft Auto V is 100% more, than Radeon HD 8790M.
high / 1080p
2−3
10−11
ultra / 1080p
0−1
8−9
4K / 2160p
0−1
3−4
low / 720p
9−10
30−35
medium / 1080p
4−5
14−16
The average gaming FPS of Radeon Pro 455 in Metro Exodus is 280% more, than Radeon HD 8790M.
low / 768p
85−90
110−120
high / 1080p
70−75
−
medium / 1080p
−
100−110
The average gaming FPS of Radeon Pro 455 in Minecraft is 32% more, than Radeon HD 8790M.
high / 1080p
−
21−24
ultra / 1080p
12−14
18−20
low / 720p
30−35
60−65
medium / 1080p
14−16
24−27
The average gaming FPS of Radeon Pro 455 in PLAYERUNKNOWN'S BATTLEGROUNDS is 75% more, than Radeon HD 8790M.
high / 1080p
7−8
14−16
ultra / 1080p
4−5
10−11
QHD / 1440p
0−1
0−1
low / 720p
8−9
30−35
medium / 1080p
8−9
16−18
The average gaming FPS of Radeon Pro 455 in Red Dead Redemption 2 is 157% more, than Radeon HD 8790M.
low / 768p
20−22
55−60
medium / 768p
12−14
35−40
high / 1080p
7−8
20−22
ultra / 1080p
5−6
10−12
4K / 2160p
1−2
8−9
The average gaming FPS of Radeon Pro 455 in The Witcher 3: Wild Hunt is 200% more, than Radeon HD 8790M.
low / 768p
75−80
100−110
medium / 768p
40−45
60−65
ultra / 1080p
18−20
35−40
high / 768p
30−35
55−60
The average gaming FPS of Radeon Pro 455 in World of Tanks is 54% more, than Radeon HD 8790M.
Full Specs
Radeon HD 8790M
Radeon Pro 455
Architecture
GCN
Polaris
Code name
Mars XTX
Polaris 11
Type
Laptop
Mobile workstation
Release date
16 November 2012
27 October 2016
Pipelines
384
768
Core clock speed
850 MHz
855 MHz
Boost Clock
900 MHz
Transistor count
950 million
3,000 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
21.60
41.04
Floating-point performance
691.2 gflops
1,313 gflops
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
5000 MHz
Memory bandwidth
64 GB/s
81.28 GB/s
Shared memory
-
-
DirectX
12 (11_1)
12 (12_0)
Shader Model
5.1
6.4
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2.131
1.2.131
FreeSync
+
Bitcoin / BTC (SHA256)
80 Mh/s
163 Mh/s
Laptop size
medium sized
large
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