Radeon HD 6850 vs Radeon HD 6990M
When choosing between Radeon HD 6850 and Radeon HD 6990M, 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 6850 and Radeon HD 6990M.
Radeon HD 6990M is a Laptop Graphics Card
Note: Radeon HD 6990M 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 Radeon HD 6990M here:
Main Specs
Radeon HD 6850
Radeon HD 6990M
Power consumption (TDP)
127 Watt
100 Watt
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
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Radeon HD 6850 has 27% more power consumption, than Radeon HD 6990M.
Radeon HD 6850 is connected by PCIe 2.0 x16, and Radeon HD 6990M uses MXM-B (3.0) interface.
Radeon HD 6990M has 1 GB more memory, than Radeon HD 6850.
Radeon HD 6850 is used in Desktops, and Radeon HD 6990M - in Laptops.
Radeon HD 6850 is build with TeraScale 2 architecture, and Radeon HD 6990M - with Terascale 2.
Radeon HD 6850 and Radeon HD 6990M are manufactured by 40 nm process technology.
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
14−16
ultra / 1080p
5−6
8−9
QHD / 1440p
0−1
3−4
low / 720p
21−24
30−33
medium / 1080p
12−14
16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 50% more, than Radeon HD 6850.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
18−20
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
35−40
45−50
medium / 1080p
16−18
24−27
The average gaming FPS of Radeon HD 6990M in Battlefield 5 is 33% more, than Radeon HD 6850.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon HD 6850 and Radeon HD 6990M have the same average FPS in Call of Duty: Warzone.
low / 768p
160−170
200−210
medium / 768p
130−140
170−180
ultra / 1080p
70−75
90−95
QHD / 1440p
40−45
50−55
4K / 2160p
30−33
30−33
high / 768p
100−110
130−140
The average gaming FPS of Radeon HD 6990M in Counter-Strike: Global Offensive is 26% more, than Radeon HD 6850.
low / 768p
55−60
55−60
ultra / 1080p
27−30
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990M in Cyberpunk 2077 is 6% more, than Radeon HD 6850.
low / 768p
90−95
100−110
medium / 768p
70−75
90−95
ultra / 1080p
45−50
60−65
The average gaming FPS of Radeon HD 6990M in Dota 2 is 22% more, than Radeon HD 6850.
high / 1080p
10−12
16−18
ultra / 1080p
10−11
14−16
4K / 2160p
4−5
6−7
low / 720p
24−27
35−40
medium / 1080p
12−14
18−20
The average gaming FPS of Radeon HD 6990M in Far Cry 5 is 58% more, than Radeon HD 6850.
high / 1080p
18−20
24−27
ultra / 1080p
12−14
18−20
QHD / 1440p
−
16−18
low / 720p
75−80
95−100
medium / 1080p
30−35
50−55
The average gaming FPS of Radeon HD 6990M in Fortnite is 37% more, than Radeon HD 6850.
high / 1080p
16−18
24−27
ultra / 1080p
14−16
18−20
QHD / 1440p
4−5
8−9
low / 720p
35−40
50−55
medium / 1080p
18−20
27−30
The average gaming FPS of Radeon HD 6990M in Forza Horizon 4 is 44% more, than Radeon HD 6850.
low / 768p
65−70
80−85
medium / 768p
55−60
70−75
high / 1080p
18−20
27−30
ultra / 1080p
8−9
10−12
QHD / 1440p
0−1
2−3
The average gaming FPS of Radeon HD 6990M in Grand Theft Auto V is 26% more, than Radeon HD 6850.
high / 1080p
6−7
9−10
ultra / 1080p
4−5
7−8
4K / 2160p
1−2
2−3
low / 720p
18−20
27−30
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 6990M in Metro Exodus is 50% more, than Radeon HD 6850.
low / 768p
100−110
110−120
ultra / 1080p
90−95
100−110
medium / 1080p
95−100
100−110
The average gaming FPS of Radeon HD 6990M in Minecraft is 10% more, than Radeon HD 6850.
high / 1080p
18−20
21−24
ultra / 1080p
14−16
16−18
low / 720p
40−45
55−60
medium / 1080p
20−22
24−27
The average gaming FPS of Radeon HD 6990M in PLAYERUNKNOWN'S BATTLEGROUNDS is 25% more, than Radeon HD 6850.
high / 1080p
12−14
14−16
ultra / 1080p
8−9
9−10
QHD / 1440p
0−1
0−1
low / 720p
18−20
27−30
medium / 1080p
12−14
16−18
The average gaming FPS of Radeon HD 6990M in Red Dead Redemption 2 is 30% more, than Radeon HD 6850.
low / 768p
35−40
50−55
medium / 768p
21−24
30−35
high / 1080p
12−14
18−20
ultra / 1080p
8−9
10−11
4K / 2160p
7−8
8−9
The average gaming FPS of Radeon HD 6990M in The Witcher 3: Wild Hunt is 41% more, than Radeon HD 6850.
low / 768p
90−95
100−105
medium / 768p
50−55
60−65
ultra / 1080p
24−27
30−35
high / 768p
40−45
50−55
The average gaming FPS of Radeon HD 6990M in World of Tanks is 16% more, than Radeon HD 6850.
Full Specs
Radeon HD 6850
Radeon HD 6990M
Architecture
TeraScale 2
Terascale 2
Code name
Barts
Blackcomb XTX
Type
Desktop
Laptop
Release date
21 October 2010
12 July 2011
Pipelines
960
1120
Core clock speed
715 MHz
Transistor count
1,700 million
1,700 million
Manufacturing process technology
40 nm
40 nm
Texture fill rate
37.20
40.04
Floating-point performance
1,488.0 gflops
1,601.6 gflops
Length
198 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
900 MHz
Memory bandwidth
128.0 GB/s
115.2 GB/s
Shared memory
-
DirectX
11.2 (11_0)
Shader Model
5.0
5.0
OpenGL
4.4
4.4
OpenCL
1.2
1.2
Vulkan
N/A
Bus support
AGP
Bitcoin / BTC (SHA256)
139 Mh/s
Laptop size
large
Eyefinity
+
Design
reference
CrossFire
+
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