Mobility Radeon HD 3870 X2 vs Radeon HD 6790
Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Radeon HD 6790. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 3870 X2 and Radeon HD 6790. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Mobility Radeon HD 3870 X2 is a Laptop Graphics Card
Note: Mobility Radeon HD 3870 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 3870 X2 here:
Main Specs
Mobility Radeon HD 3870 X2
Radeon HD 6790
Power consumption (TDP)
110 Watt
150 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
1 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6790 has 36% more power consumption, than Mobility Radeon HD 3870 X2.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 3870 X2 has 511 GB more memory, than Radeon HD 6790.
Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon HD 6790 - in Desktops.
Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 6790 - with Terascale 2.
Core clock speed of Radeon HD 6790 is 180 MHz higher, than Mobility Radeon HD 3870 X2.
Mobility Radeon HD 3870 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 200 MHz higher, than Mobility Radeon HD 3870 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
6−7
7−8
ultra / 1080p
4−5
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
18−20
medium / 1080p
8−9
9−10
The average gaming FPS of Radeon HD 6790 in Assassin's Creed Odyssey is 11% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
12−14
ultra / 1080p
10−11
10−12
QHD / 1440p
0−1
0−1
low / 720p
24−27
27−30
medium / 1080p
12−14
14−16
The average gaming FPS of Radeon HD 6790 in Battlefield 5 is 6% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Mobility Radeon HD 3870 X2 and Radeon HD 6790 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
140−150
medium / 768p
110−120
120−130
ultra / 1080p
50−55
60−65
QHD / 1440p
27−30
30−35
4K / 2160p
27−30
27−30
high / 768p
80−85
90−95
The average gaming FPS of Radeon HD 6790 in Counter-Strike: Global Offensive is 10% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
18−20
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6790 in Cyberpunk 2077 is 2% more, than Mobility Radeon HD 3870 X2.
low / 768p
80−85
85−90
medium / 768p
55−60
65−70
ultra / 1080p
30−35
35−40
The average gaming FPS of Radeon HD 6790 in Dota 2 is 12% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
9−10
ultra / 1080p
7−8
8−9
4K / 2160p
3−4
4−5
low / 720p
18−20
21−24
medium / 1080p
8−9
10−11
The average gaming FPS of Radeon HD 6790 in Far Cry 5 is 22% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
16−18
ultra / 1080p
10−11
10−12
low / 720p
60−65
65−70
medium / 1080p
21−24
27−30
The average gaming FPS of Radeon HD 6790 in Fortnite is 14% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
14−16
ultra / 1080p
10−12
12−14
QHD / 1440p
1−2
2−3
low / 720p
24−27
27−30
medium / 1080p
14−16
16−18
The average gaming FPS of Radeon HD 6790 in Forza Horizon 4 is 15% more, than Mobility Radeon HD 3870 X2.
low / 768p
50−55
55−60
medium / 768p
45−50
50−55
high / 1080p
12−14
14−16
ultra / 1080p
6−7
7−8
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6790 in Grand Theft Auto V is 13% more, than Mobility Radeon HD 3870 X2.
high / 1080p
4−5
5−6
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
6−7
7−8
The average gaming FPS of Radeon HD 6790 in Metro Exodus is 33% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
95−100
high / 1080p
85−90
90−95
ultra / 1080p
80−85
85−90
medium / 1080p
90−95
95−100
The average gaming FPS of Radeon HD 6790 in Minecraft is 3% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−35
35−40
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 6790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Mobility Radeon HD 3870 X2.
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
10−12
10−12
The average gaming FPS of Radeon HD 6790 in Red Dead Redemption 2 is 10% more, than Mobility Radeon HD 3870 X2.
low / 768p
24−27
27−30
medium / 768p
16−18
18−20
high / 1080p
9−10
10−11
ultra / 1080p
6−7
7−8
4K / 2160p
6−7
6−7
The average gaming FPS of Radeon HD 6790 in The Witcher 3: Wild Hunt is 7% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
85−90
medium / 768p
45−50
45−50
ultra / 1080p
18−20
21−24
high / 768p
35−40
40−45
The average gaming FPS of Radeon HD 6790 in World of Tanks is 6% more, than Mobility Radeon HD 3870 X2.
Full Specs
Mobility Radeon HD 3870 X2
Radeon HD 6790
Architecture
RV6xx
Terascale 2
Code name
M88-XT CF
Barts
Type
Laptop
Desktop
Release date
1 September 2008
4 April 2011
Pipelines
640
800
Core clock speed
660 MHz
840 MHz
Transistor count
666 million
1,700 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
10.56
33.60
Floating-point performance
2x 422.4 gflops
1,344.0 gflops
Length
198 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
850 MHz
1050 MHz
Memory bandwidth
54.4 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
N/A
1.2
Vulkan
N/A
N/A
Bitcoin / BTC (SHA256)
122 Mh/s
Laptop size
large
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