Mobility Radeon HD 4870 vs Radeon HD 8790M
When comparing Mobility Radeon HD 4870 and Radeon HD 8790M, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Mobility Radeon HD 4870 and Radeon HD 8790M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Mobility Radeon HD 4870 and Radeon HD 8790M are Laptop Graphics Cards
Note: Mobility Radeon HD 4870 and Radeon HD 8790M 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 Mobility Radeon HD 4870 or Radeon HD 8790M here:
Main Specs
Mobility Radeon HD 4870
Radeon HD 8790M
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
No outputs
No outputs
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Check Price
Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon HD 8790M uses MXM-A (3.0) interface.
Radeon HD 8790M has 1 GB more memory, than Mobility Radeon HD 4870.
Both cards are used in Laptops.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon HD 8790M - with GCN.
Core clock speed of Radeon HD 8790M is 300 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 8790M - by 28 nm process technology.
Memory clock speed of Radeon HD 8790M is 3612 MHz higher, than Mobility Radeon HD 4870.
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
7−8
3−4
ultra / 1080p
4−5
1−2
QHD / 1440p
0−1
0−1
low / 720p
16−18
14−16
medium / 1080p
8−9
6−7
The average gaming FPS of Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 50% more, than Radeon HD 8790M.
high / 1080p
12−14
8−9
ultra / 1080p
10−11
6−7
QHD / 1440p
0−1
0−1
low / 720p
24−27
21−24
medium / 1080p
12−14
9−10
The average gaming FPS of Mobility Radeon HD 4870 in Battlefield 5 is 36% more, than Radeon HD 8790M.
low / 768p
45−50
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 4870 in Call of Duty: Warzone is 4% more, than Radeon HD 8790M.
low / 768p
140−150
120−130
medium / 768p
110−120
100−110
ultra / 1080p
55−60
50−55
QHD / 1440p
30−33
24−27
4K / 2160p
27−30
−
high / 768p
80−85
75−80
The average gaming FPS of Mobility Radeon HD 4870 in Counter-Strike: Global Offensive is 11% more, than Radeon HD 8790M.
low / 768p
55−60
70−75
ultra / 1080p
20−22
21−24
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon HD 8790M in Cyberpunk 2077 is 7% more, than Mobility Radeon HD 4870.
low / 768p
80−85
75−80
medium / 768p
60−65
55−60
ultra / 1080p
35−40
30−35
The average gaming FPS of Mobility Radeon HD 4870 in Dota 2 is 9% more, than Radeon HD 8790M.
high / 1080p
8−9
4−5
ultra / 1080p
8−9
4−5
4K / 2160p
3−4
1−2
low / 720p
18−20
14−16
medium / 1080p
9−10
6−7
The average gaming FPS of Mobility Radeon HD 4870 in Far Cry 5 is 50% more, than Radeon HD 8790M.
high / 1080p
14−16
12−14
ultra / 1080p
10−11
7−8
QHD / 1440p
−
4−5
low / 720p
60−65
60−65
medium / 1080p
24−27
18−20
The average gaming FPS of Mobility Radeon HD 4870 in Fortnite is 12% more, than Radeon HD 8790M.
high / 1080p
12−14
8−9
ultra / 1080p
10−12
7−8
QHD / 1440p
1−2
0−1
low / 720p
27−30
21−24
medium / 1080p
14−16
10−11
The average gaming FPS of Mobility Radeon HD 4870 in Forza Horizon 4 is 33% more, than Radeon HD 8790M.
low / 768p
50−55
50−55
medium / 768p
45−50
−
high / 1080p
12−14
10−11
ultra / 1080p
6−7
4−5
QHD / 1440p
0−1
0−1
medium / 720p
−
40−45
The average gaming FPS of Mobility Radeon HD 4870 in Grand Theft Auto V is 9% more, than Radeon HD 8790M.
high / 1080p
5−6
2−3
ultra / 1080p
3−4
0−1
4K / 2160p
0−1
0−1
low / 720p
12−14
9−10
medium / 1080p
6−7
4−5
The average gaming FPS of Mobility Radeon HD 4870 in Metro Exodus is 60% more, than Radeon HD 8790M.
low / 768p
95−100
85−90
high / 1080p
90−95
70−75
ultra / 1080p
80−85
−
medium / 1080p
90−95
−
The average gaming FPS of Mobility Radeon HD 4870 in Minecraft is 18% more, than Radeon HD 8790M.
high / 1080p
16−18
−
ultra / 1080p
14−16
12−14
low / 720p
30−35
30−35
medium / 1080p
18−20
14−16
The average gaming FPS of Mobility Radeon HD 4870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Radeon HD 8790M.
high / 1080p
−
7−8
ultra / 1080p
7−8
4−5
QHD / 1440p
0−1
0−1
low / 720p
12−14
8−9
medium / 1080p
10−12
8−9
The average gaming FPS of Mobility Radeon HD 4870 in Red Dead Redemption 2 is 42% more, than Radeon HD 8790M.
low / 768p
24−27
20−22
medium / 768p
16−18
12−14
high / 1080p
9−10
7−8
ultra / 1080p
6−7
5−6
4K / 2160p
6−7
1−2
The average gaming FPS of Mobility Radeon HD 4870 in The Witcher 3: Wild Hunt is 44% more, than Radeon HD 8790M.
low / 768p
85−90
75−80
medium / 768p
45−50
40−45
ultra / 1080p
20−22
18−20
high / 768p
35−40
30−35
The average gaming FPS of Mobility Radeon HD 4870 in World of Tanks is 14% more, than Radeon HD 8790M.
Full Specs
Mobility Radeon HD 4870
Radeon HD 8790M
Architecture
Terascale 1
GCN
Code name
M98-XT
Mars XTX
Type
Laptop
Laptop
Release date
9 January 2009
16 November 2012
Pipelines
800
384
Core clock speed
550 MHz
850 MHz
Boost Clock
900 MHz
Transistor count
956 million
950 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
21.60
Floating-point performance
880.0 gflops
691.2 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
4500 MHz
Memory bandwidth
56.83 GB/s
64 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
12 (11_1)
Shader Model
4.1
5.1
OpenGL
3.3
4.6
OpenCL
1.1
1.2
Vulkan
N/A
1.2.131
Bitcoin / BTC (SHA256)
80 Mh/s
Laptop size
large
medium sized
Check Price
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