Radeon HD 6990M vs Radeon HD 7770M
In this comparison between Radeon HD 6990M and Radeon HD 7770M 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 HD 7770M will be their preference. Study the comparison tables below and make your choice.
Radeon HD 6990M and Radeon HD 7770M are Laptop Graphics Cards
Note: Radeon HD 6990M and Radeon HD 7770M 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 HD 7770M here:
Main Specs
Radeon HD 6990M
Radeon HD 7770M
Power consumption (TDP)
100 Watt
32 Watt
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
No outputs
No outputs
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Radeon HD 6990M has 212% more power consumption, than Radeon HD 7770M.
Radeon HD 6990M is connected by MXM-B (3.0), and Radeon HD 7770M uses PCIe 2.0 x16 interface.
Radeon HD 6990M has 1 GB more memory, than Radeon HD 7770M.
Both cards are used in Laptops.
Radeon HD 6990M is build with Terascale 2 architecture, and Radeon HD 7770M - with GCN.
Core clock speed of Radeon HD 6990M is 40 MHz higher, than Radeon HD 7770M.
Radeon HD 6990M is manufactured by 40 nm process technology, and Radeon HD 7770M - by 28 nm process technology.
Memory clock speed of Radeon HD 7770M is 3100 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
9−10
ultra / 1080p
8−9
5−6
QHD / 1440p
3−4
0−1
low / 720p
30−33
21−24
medium / 1080p
16−18
10−12
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 50% more, than Radeon HD 7770M.
high / 1080p
21−24
14−16
ultra / 1080p
18−20
12−14
QHD / 1440p
6−7
0−1
4K / 2160p
5−6
−
low / 720p
45−50
30−35
medium / 1080p
24−27
16−18
The average gaming FPS of Radeon HD 6990M in Battlefield 5 is 47% more, than Radeon HD 7770M.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon HD 6990M and Radeon HD 7770M have the same average FPS in Call of Duty: Warzone.
low / 768p
200−210
160−170
medium / 768p
170−180
130−140
ultra / 1080p
90−95
65−70
QHD / 1440p
50−55
35−40
4K / 2160p
30−33
27−30
high / 768p
130−140
100−110
The average gaming FPS of Radeon HD 6990M in Counter-Strike: Global Offensive is 29% more, than Radeon HD 7770M.
low / 768p
55−60
55−60
ultra / 1080p
35−40
24−27
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990M in Cyberpunk 2077 is 9% more, than Radeon HD 7770M.
low / 768p
100−110
90−95
medium / 768p
90−95
70−75
ultra / 1080p
60−65
40−45
The average gaming FPS of Radeon HD 6990M in Dota 2 is 24% more, than Radeon HD 7770M.
high / 1080p
16−18
10−12
ultra / 1080p
14−16
10−11
4K / 2160p
6−7
4−5
low / 720p
35−40
24−27
medium / 1080p
18−20
12−14
The average gaming FPS of Radeon HD 6990M in Far Cry 5 is 58% more, than Radeon HD 7770M.
high / 1080p
24−27
18−20
ultra / 1080p
18−20
12−14
QHD / 1440p
16−18
−
low / 720p
95−100
70−75
medium / 1080p
50−55
30−35
The average gaming FPS of Radeon HD 6990M in Fortnite is 41% more, than Radeon HD 7770M.
high / 1080p
24−27
16−18
ultra / 1080p
18−20
14−16
QHD / 1440p
8−9
3−4
low / 720p
50−55
30−35
medium / 1080p
27−30
18−20
The average gaming FPS of Radeon HD 6990M in Forza Horizon 4 is 52% more, than Radeon HD 7770M.
low / 768p
80−85
60−65
medium / 768p
70−75
55−60
high / 1080p
27−30
18−20
ultra / 1080p
10−12
8−9
QHD / 1440p
2−3
0−1
The average gaming FPS of Radeon HD 6990M in Grand Theft Auto V is 33% more, than Radeon HD 7770M.
high / 1080p
9−10
6−7
ultra / 1080p
7−8
4−5
4K / 2160p
2−3
1−2
low / 720p
27−30
18−20
medium / 1080p
12−14
8−9
The average gaming FPS of Radeon HD 6990M in Metro Exodus is 50% more, than Radeon HD 7770M.
low / 768p
110−120
100−110
high / 1080p
−
95−100
ultra / 1080p
100−110
85−90
medium / 1080p
100−110
95−100
The average gaming FPS of Radeon HD 6990M in Minecraft is 12% more, than Radeon HD 7770M.
high / 1080p
21−24
18−20
ultra / 1080p
16−18
14−16
low / 720p
55−60
40−45
medium / 1080p
24−27
18−20
The average gaming FPS of Radeon HD 6990M in PLAYERUNKNOWN'S BATTLEGROUNDS is 30% more, than Radeon HD 7770M.
high / 1080p
14−16
12−14
ultra / 1080p
9−10
8−9
QHD / 1440p
0−1
0−1
low / 720p
27−30
16−18
medium / 1080p
16−18
12−14
The average gaming FPS of Radeon HD 6990M in Red Dead Redemption 2 is 41% more, than Radeon HD 7770M.
low / 768p
50−55
30−35
medium / 768p
30−35
21−24
high / 1080p
18−20
12−14
ultra / 1080p
10−11
7−8
4K / 2160p
8−9
7−8
The average gaming FPS of Radeon HD 6990M in The Witcher 3: Wild Hunt is 50% more, than Radeon HD 7770M.
low / 768p
100−105
90−95
medium / 768p
60−65
50−55
ultra / 1080p
30−35
24−27
high / 768p
50−55
40−45
The average gaming FPS of Radeon HD 6990M in World of Tanks is 16% more, than Radeon HD 7770M.
Full Specs
Radeon HD 6990M
Radeon HD 7770M
Architecture
Terascale 2
GCN
Code name
Blackcomb XTX
Chelsea XT
Type
Laptop
Laptop
Release date
12 July 2011
24 April 2012
Pipelines
1120
512
Core clock speed
715 MHz
675 MHz
Transistor count
1,700 million
1,500 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
40.04
21.60
Floating-point performance
1,601.6 gflops
691.2 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
900 MHz
4000 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
Laptop size
large
medium sized
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