Radeon HD 6990M vs Radeon R9 M275
In this comparison between Radeon HD 6990M and Radeon R9 M275 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 Radeon HD 6990M will be the best choice, for others Radeon R9 M275 will be their preference. Study the comparison tables below and make your choice.
Radeon HD 6990M and Radeon R9 M275 are Laptop Graphics Cards
Note: Radeon HD 6990M and Radeon R9 M275 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 6990M or Radeon R9 M275 here:
Main Specs
Radeon HD 6990M
Radeon R9 M275
Power consumption (TDP)
100 Watt
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
No outputs
No outputs
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Radeon HD 6990M is connected by MXM-B (3.0), and Radeon R9 M275 uses PCIe 3.0 x16 interface.
Radeon R9 M275 has 2 GB more memory, than Radeon HD 6990M.
Both cards are used in Laptops.
Radeon HD 6990M is build with Terascale 2 architecture, and Radeon R9 M275 - with GCN.
Core clock speed of Radeon R9 M275 is 210 MHz higher, than Radeon HD 6990M.
Radeon HD 6990M is manufactured by 40 nm process technology, and Radeon R9 M275 - by 28 nm process technology.
Memory clock speed of Radeon R9 M275 is 3600 MHz higher, than Radeon HD 6990M.
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
14−16
0−1
ultra / 1080p
8−9
−
QHD / 1440p
3−4
0−1
low / 720p
30−33
12−14
medium / 1080p
16−18
3−4
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 200% more, than Radeon R9 M275.
high / 1080p
21−24
5−6
ultra / 1080p
18−20
4−5
QHD / 1440p
6−7
0−1
4K / 2160p
5−6
−
low / 720p
45−50
16−18
medium / 1080p
24−27
5−6
The average gaming FPS of Radeon HD 6990M in Battlefield 5 is 250% more, than Radeon R9 M275.
low / 768p
45−50
50−55
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
medium / 1080p
−
50−55
The average gaming FPS of Radeon R9 M275 in Call of Duty: Warzone is 10% more, than Radeon HD 6990M.
low / 768p
200−210
110−120
medium / 768p
170−180
90−95
ultra / 1080p
90−95
40−45
QHD / 1440p
50−55
24−27
4K / 2160p
30−33
18−20
high / 768p
130−140
65−70
The average gaming FPS of Radeon HD 6990M in Counter-Strike: Global Offensive is 91% more, than Radeon R9 M275.
low / 768p
55−60
60−65
ultra / 1080p
35−40
18−20
medium / 1080p
45−50
50−55
The average gaming FPS of Radeon HD 6990M in Cyberpunk 2077 is 6% more, than Radeon R9 M275.
low / 768p
100−110
70−75
medium / 768p
90−95
50−55
ultra / 1080p
60−65
24−27
The average gaming FPS of Radeon HD 6990M in Dota 2 is 72% more, than Radeon R9 M275.
high / 1080p
16−18
1−2
ultra / 1080p
14−16
−
4K / 2160p
6−7
0−1
low / 720p
35−40
10−12
medium / 1080p
18−20
3−4
The average gaming FPS of Radeon HD 6990M in Far Cry 5 is 380% more, than Radeon R9 M275.
high / 1080p
24−27
9−10
ultra / 1080p
18−20
5−6
QHD / 1440p
16−18
1−2
low / 720p
95−100
50−55
medium / 1080p
50−55
12−14
The average gaming FPS of Radeon HD 6990M in Fortnite is 162% more, than Radeon R9 M275.
high / 1080p
24−27
6−7
ultra / 1080p
18−20
4−5
QHD / 1440p
8−9
0−1
low / 720p
50−55
18−20
medium / 1080p
27−30
7−8
The average gaming FPS of Radeon HD 6990M in Forza Horizon 4 is 244% more, than Radeon R9 M275.
low / 768p
80−85
45−50
medium / 768p
70−75
−
high / 1080p
27−30
7−8
ultra / 1080p
10−12
4−5
QHD / 1440p
2−3
0−1
medium / 720p
−
35−40
The average gaming FPS of Radeon HD 6990M in Grand Theft Auto V is 110% more, than Radeon R9 M275.
high / 1080p
9−10
3−4
ultra / 1080p
7−8
1−2
4K / 2160p
2−3
0−1
low / 720p
27−30
7−8
medium / 1080p
12−14
4−5
The average gaming FPS of Radeon HD 6990M in Metro Exodus is 250% more, than Radeon R9 M275.
low / 768p
110−120
85−90
high / 1080p
−
70−75
ultra / 1080p
100−110
−
medium / 1080p
100−110
−
The average gaming FPS of Radeon HD 6990M in Minecraft is 32% more, than Radeon R9 M275.
high / 1080p
21−24
14−16
ultra / 1080p
16−18
12−14
low / 720p
55−60
24−27
medium / 1080p
24−27
14−16
The average gaming FPS of Radeon HD 6990M in PLAYERUNKNOWN'S BATTLEGROUNDS is 76% more, than Radeon R9 M275.
high / 1080p
14−16
−
ultra / 1080p
9−10
7−8
QHD / 1440p
0−1
0−1
low / 720p
27−30
8−9
medium / 1080p
16−18
−
The average gaming FPS of Radeon HD 6990M in Red Dead Redemption 2 is 137% more, than Radeon R9 M275.
low / 768p
50−55
16−18
medium / 768p
30−35
12−14
high / 1080p
18−20
6−7
ultra / 1080p
10−11
5−6
4K / 2160p
8−9
−
The average gaming FPS of Radeon HD 6990M in The Witcher 3: Wild Hunt is 180% more, than Radeon R9 M275.
low / 768p
100−105
85−90
medium / 768p
60−65
35−40
ultra / 1080p
30−35
14−16
high / 768p
50−55
30−33
The average gaming FPS of Radeon HD 6990M in World of Tanks is 47% more, than Radeon R9 M275.
Full Specs
Radeon HD 6990M
Radeon R9 M275
Architecture
Terascale 2
GCN
Code name
Blackcomb XTX
Venus
Type
Laptop
Laptop
Release date
12 July 2011
1 August 2014
Pipelines
1120
640
Core clock speed
715 MHz
925 MHz
Boost Clock
925 MHz
Transistor count
1,700 million
1,500 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
40.04
37.00
Floating-point performance
1,601.6 gflops
1,184 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
900 MHz
4500 MHz
Memory bandwidth
115.2 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)
122 Mh/s
Laptop size
large
large
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