Mobility Radeon HD 4870 X2 vs Radeon HD 6790
In this comparison between Mobility Radeon HD 4870 X2 and Radeon HD 6790 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 Mobility Radeon HD 4870 X2 will be the best choice, for others Radeon HD 6790 will be their preference. Study the comparison tables below and make your choice.
Mobility Radeon HD 4870 X2 is a Laptop Graphics Card
Note: Mobility Radeon HD 4870 X2 is only used in laptop graphics. It has 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 X2 here:
Main Specs
Mobility Radeon HD 4870 X2
Radeon HD 6790
Power consumption (TDP)
150 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR3, GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 4870 X2 has 1 GB more memory, than Radeon HD 6790.
Mobility Radeon HD 4870 X2 is used in Laptops, and Radeon HD 6790 - in Desktops.
Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon HD 6790 - with Terascale 2.
Core clock speed of Radeon HD 6790 is 290 MHz higher, than Mobility Radeon HD 4870 X2.
Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon HD 6790 - by 40 nm process technology.
Memory clock speed of Radeon HD 6790 is 162 MHz higher, than Mobility Radeon HD 4870 X2.
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
9−10
7−8
ultra / 1080p
5−6
4−5
QHD / 1440p
0−1
0−1
low / 720p
21−24
18−20
medium / 1080p
12−14
9−10
The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 20% more, than Radeon HD 6790.
high / 1080p
16−18
12−14
ultra / 1080p
14−16
10−12
QHD / 1440p
0−1
0−1
low / 720p
35−40
27−30
medium / 1080p
16−18
14−16
The average gaming FPS of Mobility Radeon HD 4870 X2 in Battlefield 5 is 31% more, than Radeon HD 6790.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Mobility Radeon HD 4870 X2 and Radeon HD 6790 have the same average FPS in Call of Duty: Warzone.
low / 768p
160−170
140−150
medium / 768p
130−140
120−130
ultra / 1080p
70−75
60−65
QHD / 1440p
40−45
30−35
4K / 2160p
30−33
27−30
high / 768p
100−110
90−95
The average gaming FPS of Mobility Radeon HD 4870 X2 in Counter-Strike: Global Offensive is 12% more, than Radeon HD 6790.
low / 768p
55−60
55−60
ultra / 1080p
27−30
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Mobility Radeon HD 4870 X2 in Cyberpunk 2077 is 4% more, than Radeon HD 6790.
low / 768p
90−95
85−90
medium / 768p
70−75
65−70
ultra / 1080p
45−50
35−40
The average gaming FPS of Mobility Radeon HD 4870 X2 in Dota 2 is 9% more, than Radeon HD 6790.
high / 1080p
10−12
9−10
ultra / 1080p
10−11
8−9
4K / 2160p
4−5
4−5
low / 720p
24−27
21−24
medium / 1080p
12−14
10−11
The average gaming FPS of Mobility Radeon HD 4870 X2 in Far Cry 5 is 9% more, than Radeon HD 6790.
high / 1080p
18−20
16−18
ultra / 1080p
12−14
10−12
low / 720p
75−80
65−70
medium / 1080p
30−35
27−30
The average gaming FPS of Mobility Radeon HD 4870 X2 in Fortnite is 12% more, than Radeon HD 6790.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
QHD / 1440p
4−5
2−3
low / 720p
35−40
27−30
medium / 1080p
18−20
16−18
The average gaming FPS of Mobility Radeon HD 4870 X2 in Forza Horizon 4 is 20% more, than Radeon HD 6790.
low / 768p
65−70
55−60
medium / 768p
55−60
50−55
high / 1080p
18−20
14−16
ultra / 1080p
8−9
7−8
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 4870 X2 in Grand Theft Auto V is 15% more, than Radeon HD 6790.
high / 1080p
6−7
5−6
ultra / 1080p
4−5
4−5
4K / 2160p
1−2
0−1
low / 720p
18−20
14−16
medium / 1080p
8−9
7−8
The average gaming FPS of Mobility Radeon HD 4870 X2 in Metro Exodus is 12% more, than Radeon HD 6790.
low / 768p
100−110
95−100
high / 1080p
−
90−95
ultra / 1080p
90−95
85−90
medium / 1080p
95−100
95−100
The average gaming FPS of Mobility Radeon HD 4870 X2 in Minecraft is 4% more, than Radeon HD 6790.
high / 1080p
18−20
16−18
ultra / 1080p
14−16
14−16
low / 720p
40−45
35−40
medium / 1080p
20−22
18−20
The average gaming FPS of Mobility Radeon HD 4870 X2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 9% more, than Radeon HD 6790.
high / 1080p
12−14
−
ultra / 1080p
8−9
8−9
QHD / 1440p
0−1
0−1
low / 720p
18−20
14−16
medium / 1080p
12−14
10−12
The average gaming FPS of Mobility Radeon HD 4870 X2 in Red Dead Redemption 2 is 18% more, than Radeon HD 6790.
low / 768p
35−40
27−30
medium / 768p
21−24
18−20
high / 1080p
12−14
10−11
ultra / 1080p
8−9
7−8
4K / 2160p
7−8
6−7
The average gaming FPS of Mobility Radeon HD 4870 X2 in The Witcher 3: Wild Hunt is 21% more, than Radeon HD 6790.
low / 768p
90−95
85−90
medium / 768p
50−55
45−50
ultra / 1080p
24−27
21−24
high / 768p
40−45
40−45
The average gaming FPS of Mobility Radeon HD 4870 X2 in World of Tanks is 6% more, than Radeon HD 6790.
Full Specs
Mobility Radeon HD 4870 X2
Radeon HD 6790
Architecture
Terascale 1
Terascale 2
Code name
M98-XT
Barts
Type
Laptop
Desktop
Release date
9 January 2009
4 April 2011
Pipelines
1600
800
Core clock speed
550 MHz
840 MHz
Transistor count
956 million
1,700 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
22.00
33.60
Floating-point performance
2x 880.0 gflops
1,344.0 gflops
Length
198 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
888 MHz
1050 MHz
Memory bandwidth
89.6 GB/s
134.4 GB/s
Shared memory
-
DirectX
10.1 (10_1)
11.2 (11_0)
Shader Model
4.1
5.0
OpenGL
3.3
4.4
OpenCL
1.1
1.2
Vulkan
N/A
N/A
Bitcoin / BTC (SHA256)
122 Mh/s
Laptop size
large
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