Radeon HD 8790M vs Radeon HD 8870M
In this comparison between Radeon HD 8790M and Radeon HD 8870M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 8790M will be the best choice, for others Radeon HD 8870M will be their preference. Study the comparison tables below and make your choice.
Radeon HD 8790M and Radeon HD 8870M are Laptop Graphics Cards
Note: Radeon HD 8790M and Radeon HD 8870M 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 HD 8870M here:
Main Specs
Radeon HD 8790M
Radeon HD 8870M
Interface
MXM-A (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR5, DDR3
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 HD 8870M uses PCIe 3.0 x16 interface.
Radeon HD 8790M and Radeon HD 8870M have maximum RAM of 2 GB.
Both cards are used in Laptops.
Radeon HD 8790M and Radeon HD 8870M are build with GCN architecture.
Core clock speed of Radeon HD 8790M is 125 MHz higher, than Radeon HD 8870M.
Radeon HD 8790M and Radeon HD 8870M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 8790M and Radeon HD 8870M is 4500 MHz.
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
7−8
ultra / 1080p
1−2
4−5
QHD / 1440p
0−1
0−1
low / 720p
14−16
18−20
medium / 1080p
6−7
9−10
The average gaming FPS of Radeon HD 8870M in Assassin's Creed Odyssey is 66% more, than Radeon HD 8790M.
high / 1080p
8−9
12−14
ultra / 1080p
6−7
10−12
QHD / 1440p
0−1
0−1
low / 720p
21−24
27−30
medium / 1080p
9−10
14−16
The average gaming FPS of Radeon HD 8870M in Battlefield 5 is 45% more, than Radeon HD 8790M.
low / 768p
45−50
45−50
high / 1080p
40−45
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 8870M in Call of Duty: Warzone is 4% more, than Radeon HD 8790M.
low / 768p
120−130
140−150
medium / 768p
100−110
110−120
ultra / 1080p
50−55
55−60
QHD / 1440p
24−27
30−35
4K / 2160p
−
27−30
high / 768p
75−80
85−90
The average gaming FPS of Radeon HD 8870M in Counter-Strike: Global Offensive is 12% more, than Radeon HD 8790M.
low / 768p
70−75
55−60
ultra / 1080p
21−24
21−24
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon HD 8790M in Cyberpunk 2077 is 7% more, than Radeon HD 8870M.
low / 768p
75−80
85−90
medium / 768p
55−60
60−65
ultra / 1080p
30−35
35−40
The average gaming FPS of Radeon HD 8870M in Dota 2 is 12% more, than Radeon HD 8790M.
high / 1080p
4−5
9−10
ultra / 1080p
4−5
8−9
4K / 2160p
1−2
4−5
low / 720p
14−16
21−24
medium / 1080p
6−7
10−11
The average gaming FPS of Radeon HD 8870M in Far Cry 5 is 83% more, than Radeon HD 8790M.
high / 1080p
12−14
16−18
ultra / 1080p
7−8
10−12
QHD / 1440p
4−5
−
low / 720p
60−65
65−70
medium / 1080p
18−20
24−27
The average gaming FPS of Radeon HD 8870M in Fortnite is 20% more, than Radeon HD 8790M.
high / 1080p
8−9
12−14
ultra / 1080p
7−8
12−14
QHD / 1440p
0−1
2−3
low / 720p
21−24
27−30
medium / 1080p
10−11
14−16
The average gaming FPS of Radeon HD 8870M in Forza Horizon 4 is 41% more, than Radeon HD 8790M.
low / 768p
50−55
55−60
medium / 768p
−
45−50
high / 1080p
10−11
14−16
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 8870M in Grand Theft Auto V is 18% more, than Radeon HD 8790M.
high / 1080p
2−3
5−6
ultra / 1080p
0−1
3−4
4K / 2160p
0−1
0−1
low / 720p
9−10
14−16
medium / 1080p
4−5
7−8
The average gaming FPS of Radeon HD 8870M in Metro Exodus is 80% more, than Radeon HD 8790M.
low / 768p
85−90
95−100
high / 1080p
70−75
90−95
ultra / 1080p
−
80−85
medium / 1080p
−
95−100
The average gaming FPS of Radeon HD 8870M in Minecraft is 18% more, than Radeon HD 8790M.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
30−35
35−40
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 8870M in PLAYERUNKNOWN'S BATTLEGROUNDS is 15% more, than Radeon HD 8790M.
high / 1080p
7−8
−
ultra / 1080p
4−5
8−9
QHD / 1440p
0−1
0−1
low / 720p
8−9
14−16
medium / 1080p
8−9
10−12
The average gaming FPS of Radeon HD 8870M in Red Dead Redemption 2 is 57% more, than Radeon HD 8790M.
low / 768p
20−22
27−30
medium / 768p
12−14
18−20
high / 1080p
7−8
10−11
ultra / 1080p
5−6
7−8
4K / 2160p
1−2
6−7
The average gaming FPS of Radeon HD 8870M in The Witcher 3: Wild Hunt is 55% more, than Radeon HD 8790M.
low / 768p
75−80
85−90
medium / 768p
40−45
45−50
ultra / 1080p
18−20
21−24
high / 768p
30−35
35−40
The average gaming FPS of Radeon HD 8870M in World of Tanks is 14% more, than Radeon HD 8790M.
Full Specs
Radeon HD 8790M
Radeon HD 8870M
Architecture
GCN
GCN
Code name
Mars XTX
Venus
Type
Laptop
Laptop
Release date
16 November 2012
18 December 2012
Pipelines
384
640
Core clock speed
850 MHz
725 MHz
Boost Clock
900 MHz
775 MHz
Transistor count
950 million
1,500 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
21.60
31.00
Floating-point performance
691.2 gflops
992.0 gflops
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
4500 MHz
Memory bandwidth
64 GB/s
72 GB/s
Shared memory
-
-
DirectX
12 (11_1)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2.131
1.2.131
Bitcoin / BTC (SHA256)
80 Mh/s
107 Mh/s
Laptop size
medium sized
large
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