Radeon HD 6990 vs Radeon HD 7660G plus HD 7670M Dual Graphics
When comparing Radeon HD 6990 and Radeon HD 7660G plus HD 7670M Dual Graphics, 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 7660G plus HD 7670M Dual Graphics is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Radeon HD 7660G plus HD 7670M Dual Graphics is a Laptop Graphics Card
Note: Radeon HD 7660G plus HD 7670M Dual Graphics 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 7660G plus HD 7670M Dual Graphics here:
Main Specs
Radeon HD 6990
Radeon HD 7660G plus HD 7670M Dual Graphics
Power consumption (TDP)
375 Watt
Interface
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
DDR3,GDDR5
Maximum RAM amount
2 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 is used in Desktops, and Radeon HD 7660G plus HD 7670M Dual Graphics - in Laptops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon HD 7660G plus HD 7670M Dual Graphics - with Terascale 2.
Core clock speed of Radeon HD 6990 is 145 MHz higher, than Radeon HD 7660G plus HD 7670M Dual Graphics.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon HD 7660G plus HD 7670M Dual Graphics - by 40 / 32 nm process technology.
Memory clock speed of Radeon HD 6990 is 3200 MHz higher, than Radeon HD 7660G plus HD 7670M Dual Graphics.
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
1−2
ultra / 1080p
9−10
0−1
QHD / 1440p
3−4
0−1
low / 720p
30−35
12−14
medium / 1080p
18−20
3−4
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 266% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
24−27
−
ultra / 1080p
21−24
3−4
QHD / 1440p
7−8
0−1
4K / 2160p
5−6
−
low / 720p
50−55
14−16
medium / 1080p
27−30
5−6
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 325% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
45−50
50−55
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Call of Duty: Warzone is 10% more, than Radeon HD 6990.
low / 768p
210−220
110−120
medium / 768p
170−180
90−95
ultra / 1080p
95−100
35−40
QHD / 1440p
50−55
−
4K / 2160p
30−33
10−11
high / 768p
140−150
60−65
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 109% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
55−60
70−75
ultra / 1080p
40−45
14−16
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 8% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
110−120
70−75
medium / 768p
90−95
45−50
ultra / 1080p
60−65
20−22
The average gaming FPS of Radeon HD 6990 in Dota 2 is 91% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
18−20
2−3
ultra / 1080p
16−18
2−3
4K / 2160p
6−7
0−1
low / 720p
35−40
10−11
medium / 1080p
18−20
3−4
The average gaming FPS of Radeon HD 6990 in Far Cry 5 is 475% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
24−27
−
ultra / 1080p
18−20
5−6
QHD / 1440p
16−18
1−2
low / 720p
95−100
50−55
medium / 1080p
50−55
9−10
The average gaming FPS of Radeon HD 6990 in Fortnite is 170% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
24−27
3−4
ultra / 1080p
20−22
−
QHD / 1440p
9−10
0−1
low / 720p
50−55
16−18
medium / 1080p
27−30
6−7
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 288% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
85−90
40−45
medium / 768p
75−80
−
high / 1080p
30−33
4−5
ultra / 1080p
12−14
3−4
QHD / 1440p
3−4
0−1
medium / 720p
−
35−40
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 175% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
9−10
1−2
ultra / 1080p
7−8
0−1
4K / 2160p
2−3
0−1
low / 720p
27−30
3−4
medium / 1080p
12−14
3−4
The average gaming FPS of Radeon HD 6990 in Metro Exodus is 750% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
110−120
85−90
high / 1080p
−
60−65
ultra / 1080p
100−110
−
medium / 1080p
100−110
−
The average gaming FPS of Radeon HD 6990 in Minecraft is 32% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
21−24
14−16
ultra / 1080p
18−20
12−14
low / 720p
55−60
24−27
medium / 1080p
24−27
14−16
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 82% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
14−16
−
ultra / 1080p
9−10
3−4
QHD / 1440p
0−1
0−1
low / 720p
27−30
5−6
medium / 1080p
16−18
−
The average gaming FPS of Radeon HD 6990 in Red Dead Redemption 2 is 375% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
55−60
9−10
medium / 768p
30−35
7−8
high / 1080p
18−20
3−4
ultra / 1080p
10−12
3−4
4K / 2160p
8−9
0−1
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 400% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
100−110
70−75
medium / 768p
60−65
35−40
ultra / 1080p
35−40
12−14
high / 768p
50−55
30−35
The average gaming FPS of Radeon HD 6990 in World of Tanks is 68% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
Full Specs
Radeon HD 6990
Radeon HD 7660G plus HD 7670M Dual Graphics
Architecture
TeraScale 3
Terascale 2
Code name
Antilles
Type
Desktop
Laptop
Release date
8 March 2011
15 May 2012
Pipelines
1536
862
Core clock speed
830 MHz
685 / 600 MHz
Transistor count
2,640 million
Manufacturing process technology
40 nm
40 / 32 nm
Texture fill rate
79.68
Floating-point performance
2x 2,549.8 gflops
Length
295 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
5000 MHz
1800 MHz
Memory bandwidth
160.0 GB/s
Shared memory
-
DirectX
11.2 (11_0)
DirectX 11, Shader 5.0
Shader Model
5.0
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Bitcoin / BTC (SHA256)
265 Mh/s
Laptop size
medium sized
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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