Radeon HD 6990 vs Radeon HD 7770M
When comparing Radeon HD 6990 and Radeon HD 7770M, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 6990 and Radeon HD 7770M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Radeon HD 7770M is a Laptop Graphics Card
Note: Radeon HD 7770M 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 7770M here:
Main Specs
Radeon HD 6990
Radeon HD 7770M
Power consumption (TDP)
375 Watt
32 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
No outputs
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Radeon HD 6990 has 1071% more power consumption, than Radeon HD 7770M.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 6990 has 1 GB more memory, than Radeon HD 7770M.
Radeon HD 6990 is used in Desktops, and Radeon HD 7770M - in Laptops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon HD 7770M - with GCN.
Core clock speed of Radeon HD 6990 is 155 MHz higher, than Radeon HD 7770M.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon HD 7770M - by 28 nm process technology.
Memory clock speed of Radeon HD 6990 is 1000 MHz higher, than Radeon HD 7770M.
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
9−10
5−6
QHD / 1440p
3−4
0−1
low / 720p
30−35
21−24
medium / 1080p
18−20
10−12
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 58% more, than Radeon HD 7770M.
high / 1080p
24−27
14−16
ultra / 1080p
21−24
12−14
QHD / 1440p
7−8
0−1
4K / 2160p
5−6
−
low / 720p
50−55
30−35
medium / 1080p
27−30
16−18
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 68% more, than Radeon HD 7770M.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon HD 6990 and Radeon HD 7770M have the same average FPS in Call of Duty: Warzone.
low / 768p
210−220
160−170
medium / 768p
170−180
130−140
ultra / 1080p
95−100
65−70
QHD / 1440p
50−55
35−40
4K / 2160p
30−33
27−30
high / 768p
140−150
100−110
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 33% more, than Radeon HD 7770M.
low / 768p
55−60
55−60
ultra / 1080p
40−45
24−27
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 13% more, than Radeon HD 7770M.
low / 768p
110−120
90−95
medium / 768p
90−95
70−75
ultra / 1080p
60−65
40−45
The average gaming FPS of Radeon HD 6990 in Dota 2 is 30% more, than Radeon HD 7770M.
high / 1080p
18−20
10−12
ultra / 1080p
16−18
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 6990 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 6990 in Fortnite is 41% more, than Radeon HD 7770M.
high / 1080p
24−27
16−18
ultra / 1080p
20−22
14−16
QHD / 1440p
9−10
3−4
low / 720p
50−55
30−35
medium / 1080p
27−30
18−20
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 58% more, than Radeon HD 7770M.
low / 768p
85−90
60−65
medium / 768p
75−80
55−60
high / 1080p
30−33
18−20
ultra / 1080p
12−14
8−9
QHD / 1440p
3−4
0−1
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 44% 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 6990 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 6990 in Minecraft is 12% more, than Radeon HD 7770M.
high / 1080p
21−24
18−20
ultra / 1080p
18−20
14−16
low / 720p
55−60
40−45
medium / 1080p
24−27
18−20
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 34% 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 6990 in Red Dead Redemption 2 is 41% more, than Radeon HD 7770M.
low / 768p
55−60
30−35
medium / 768p
30−35
21−24
high / 1080p
18−20
12−14
ultra / 1080p
10−12
7−8
4K / 2160p
8−9
7−8
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 56% more, than Radeon HD 7770M.
low / 768p
100−110
90−95
medium / 768p
60−65
50−55
ultra / 1080p
35−40
24−27
high / 768p
50−55
40−45
The average gaming FPS of Radeon HD 6990 in World of Tanks is 20% more, than Radeon HD 7770M.
Full Specs
Radeon HD 6990
Radeon HD 7770M
Architecture
TeraScale 3
GCN
Code name
Antilles
Chelsea XT
Type
Desktop
Laptop
Release date
8 March 2011
24 April 2012
Pipelines
1536
512
Core clock speed
830 MHz
675 MHz
Transistor count
2,640 million
1,500 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
79.68
21.60
Floating-point performance
2x 2,549.8 gflops
691.2 gflops
Length
295 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
5000 MHz
4000 MHz
Memory bandwidth
160.0 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)
265 Mh/s
Laptop size
medium sized
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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