Radeon HD 6850M vs Radeon HD 8790M
When choosing between Radeon HD 6850M and Radeon HD 8790M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6850M and Radeon HD 8790M.
Radeon HD 6850M and Radeon HD 8790M are Laptop Graphics Cards
Note: Radeon HD 6850M 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 Radeon HD 6850M or Radeon HD 8790M here:
Main Specs
Radeon HD 6850M
Radeon HD 8790M
Power consumption (TDP)
50 Watt
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
No outputs
No outputs
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Radeon HD 6850M 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 Radeon HD 6850M.
Both cards are used in Laptops.
Radeon HD 6850M is build with Terascale 2 architecture, and Radeon HD 8790M - with GCN.
Core clock speed of Radeon HD 8790M is 275 MHz higher, than Radeon HD 6850M.
Radeon HD 6850M is manufactured by 40 nm process technology, and Radeon HD 8790M - by 28 nm process technology.
Memory clock speed of Radeon HD 8790M is 3700 MHz higher, than Radeon HD 6850M.
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
2−3
3−4
ultra / 1080p
0−1
1−2
QHD / 1440p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
3−4
6−7
The average gaming FPS of Radeon HD 8790M in Assassin's Creed Odyssey is 33% more, than Radeon HD 6850M.
high / 1080p
−
8−9
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
0−1
low / 720p
14−16
21−24
medium / 1080p
6−7
9−10
The average gaming FPS of Radeon HD 8790M in Battlefield 5 is 50% more, than Radeon HD 6850M.
low / 768p
50−55
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6850M in Call of Duty: Warzone is 11% more, than Radeon HD 8790M.
low / 768p
120−130
120−130
medium / 768p
95−100
100−110
ultra / 1080p
40−45
50−55
QHD / 1440p
−
24−27
4K / 2160p
10−11
−
high / 768p
65−70
75−80
The average gaming FPS of Radeon HD 8790M in Counter-Strike: Global Offensive is 8% more, than Radeon HD 6850M.
low / 768p
70−75
70−75
ultra / 1080p
16−18
21−24
medium / 1080p
45−50
40−45
Radeon HD 6850M and Radeon HD 8790M have the same average FPS in Cyberpunk 2077.
low / 768p
75−80
75−80
medium / 768p
45−50
55−60
ultra / 1080p
21−24
30−35
The average gaming FPS of Radeon HD 8790M in Dota 2 is 12% more, than Radeon HD 6850M.
high / 1080p
3−4
4−5
ultra / 1080p
3−4
4−5
4K / 2160p
1−2
1−2
low / 720p
12−14
14−16
medium / 1080p
4−5
6−7
The average gaming FPS of Radeon HD 8790M in Far Cry 5 is 20% more, than Radeon HD 6850M.
high / 1080p
10−12
12−14
ultra / 1080p
6−7
7−8
QHD / 1440p
2−3
4−5
low / 720p
50−55
60−65
medium / 1080p
10−12
18−20
The average gaming FPS of Radeon HD 8790M in Fortnite is 31% more, than Radeon HD 6850M.
high / 1080p
4−5
8−9
ultra / 1080p
−
7−8
QHD / 1440p
0−1
0−1
low / 720p
18−20
21−24
medium / 1080p
7−8
10−11
The average gaming FPS of Radeon HD 8790M in Forza Horizon 4 is 30% more, than Radeon HD 6850M.
low / 768p
45−50
50−55
high / 1080p
5−6
10−11
ultra / 1080p
3−4
4−5
QHD / 1440p
0−1
0−1
medium / 720p
35−40
40−45
The average gaming FPS of Radeon HD 8790M in Grand Theft Auto V is 17% more, than Radeon HD 6850M.
high / 1080p
1−2
2−3
ultra / 1080p
0−1
0−1
4K / 2160p
0−1
0−1
low / 720p
5−6
9−10
medium / 1080p
3−4
4−5
The average gaming FPS of Radeon HD 8790M in Metro Exodus is 66% more, than Radeon HD 6850M.
low / 768p
90−95
85−90
high / 1080p
60−65
70−75
The average gaming FPS of Radeon HD 8790M in Minecraft is 3% more, than Radeon HD 6850M.
high / 1080p
14−16
−
ultra / 1080p
12−14
12−14
low / 720p
27−30
30−35
medium / 1080p
14−16
14−16
The average gaming FPS of Radeon HD 8790M in PLAYERUNKNOWN'S BATTLEGROUNDS is 11% more, than Radeon HD 6850M.
high / 1080p
−
7−8
ultra / 1080p
3−4
4−5
QHD / 1440p
0−1
0−1
low / 720p
6−7
8−9
medium / 1080p
−
8−9
The average gaming FPS of Radeon HD 8790M in Red Dead Redemption 2 is 20% more, than Radeon HD 6850M.
low / 768p
10−12
20−22
medium / 768p
8−9
12−14
high / 1080p
4−5
7−8
ultra / 1080p
3−4
5−6
4K / 2160p
0−1
1−2
The average gaming FPS of Radeon HD 8790M in The Witcher 3: Wild Hunt is 83% more, than Radeon HD 6850M.
low / 768p
75−80
75−80
medium / 768p
40−45
40−45
ultra / 1080p
14−16
18−20
high / 768p
30−35
30−35
The average gaming FPS of Radeon HD 8790M in World of Tanks is 2% more, than Radeon HD 6850M.
Full Specs
Radeon HD 6850M
Radeon HD 8790M
Architecture
Terascale 2
GCN
Code name
Granville Pro/LP
Mars XTX
Type
Laptop
Laptop
Release date
6 January 2011
16 November 2012
Pipelines
800
384
Core clock speed
575 / 675 MHz
850 MHz
Boost Clock
900 MHz
Transistor count
1,040 million
950 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
27.00
21.60
Floating-point performance
1,080.0 gflops
691.2 gflops
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
4500 MHz
Memory bandwidth
25.6 GB/s
64 GB/s
Shared memory
-
-
DirectX
11.2 (11_0)
12 (11_1)
Shader Model
5.0
5.1
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
1.2.131
Bitcoin / BTC (SHA256)
80 Mh/s
Laptop size
large
medium sized
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