GeForce GTX 1080 Max Q vs Radeon HD 6990
If you are going to buy a new graphics card and are choosing between GeForce GTX 1080 Max Q and Radeon HD 6990, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 1080 Max Q stacks up against Radeon HD 6990, check out specs charts below.
GeForce GTX 1080 Max Q is a Laptop Graphics Card
Note: GeForce GTX 1080 Max Q 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 GeForce GTX 1080 Max Q here:
Main Specs
GeForce GTX 1080 Max Q
Radeon HD 6990
Power consumption (TDP)
150 Watt
375 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
2x 8-pin
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
2 GB
Display Connectors
No outputs
1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 has 150% more power consumption, than GeForce GTX 1080 Max Q.
GeForce GTX 1080 Max Q is connected by PCIe 3.0 x16, and Radeon HD 6990 uses PCIe 2.0 x16 interface.
GeForce GTX 1080 Max Q has 6 GB more memory, than Radeon HD 6990.
GeForce GTX 1080 Max Q is used in Laptops, and Radeon HD 6990 - in Desktops.
GeForce GTX 1080 Max Q is build with Pascal architecture, and Radeon HD 6990 - with TeraScale 3.
Core clock speed of GeForce GTX 1080 Max Q is 271 MHz higher, than Radeon HD 6990.
GeForce GTX 1080 Max Q is manufactured by 16 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
Memory clock speed of GeForce GTX 1080 Max Q is 5000 MHz higher, than Radeon HD 6990.
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
50−55
14−16
ultra / 1080p
35−40
9−10
QHD / 1440p
27−30
3−4
4K / 2160p
16−18
−
low / 720p
80−85
30−35
medium / 1080p
60−65
18−20
The average gaming FPS of GeForce GTX 1080 Max Q in Assassin's Creed Odyssey is 246% more, than Radeon HD 6990.
high / 1080p
80−85
24−27
ultra / 1080p
70−75
21−24
QHD / 1440p
55−60
7−8
4K / 2160p
30−33
5−6
low / 720p
130−140
50−55
medium / 1080p
90−95
27−30
The average gaming FPS of GeForce GTX 1080 Max Q in Battlefield 5 is 239% more, than Radeon HD 6990.
low / 768p
45−50
45−50
QHD / 1440p
−
0−1
GeForce GTX 1080 Max Q and Radeon HD 6990 have the same average FPS in Call of Duty: Warzone.
low / 768p
250−260
210−220
medium / 768p
230−240
170−180
ultra / 1080p
−
95−100
QHD / 1440p
150−160
50−55
4K / 2160p
100−110
30−33
high / 768p
220−230
140−150
The average gaming FPS of GeForce GTX 1080 Max Q in Counter-Strike: Global Offensive is 58% more, than Radeon HD 6990.
low / 768p
70−75
55−60
ultra / 1080p
−
40−45
medium / 1080p
50−55
45−50
The average gaming FPS of GeForce GTX 1080 Max Q in Cyberpunk 2077 is 19% more, than Radeon HD 6990.
low / 768p
120−130
110−120
medium / 768p
110−120
90−95
ultra / 1080p
110−120
60−65
The average gaming FPS of GeForce GTX 1080 Max Q in Dota 2 is 31% more, than Radeon HD 6990.
high / 1080p
65−70
18−20
ultra / 1080p
60−65
16−18
QHD / 1440p
40−45
−
4K / 2160p
21−24
6−7
low / 720p
100−110
35−40
medium / 1080p
70−75
18−20
The average gaming FPS of GeForce GTX 1080 Max Q in Far Cry 5 is 247% more, than Radeon HD 6990.
high / 1080p
95−100
24−27
ultra / 1080p
75−80
18−20
QHD / 1440p
45−50
16−18
4K / 2160p
21−24
−
low / 720p
220−230
95−100
medium / 1080p
150−160
50−55
The average gaming FPS of GeForce GTX 1080 Max Q in Fortnite is 185% more, than Radeon HD 6990.
high / 1080p
90−95
24−27
ultra / 1080p
70−75
20−22
QHD / 1440p
50−55
9−10
4K / 2160p
35−40
−
low / 720p
140−150
50−55
medium / 1080p
95−100
27−30
The average gaming FPS of GeForce GTX 1080 Max Q in Forza Horizon 4 is 240% more, than Radeon HD 6990.
low / 768p
160−170
85−90
medium / 768p
150−160
75−80
high / 1080p
100−110
30−33
ultra / 1080p
50−55
12−14
QHD / 1440p
40−45
3−4
The average gaming FPS of GeForce GTX 1080 Max Q in Grand Theft Auto V is 147% more, than Radeon HD 6990.
high / 1080p
40−45
9−10
ultra / 1080p
30−35
7−8
QHD / 1440p
24−27
−
4K / 2160p
14−16
2−3
low / 720p
95−100
27−30
medium / 1080p
55−60
12−14
The average gaming FPS of GeForce GTX 1080 Max Q in Metro Exodus is 308% more, than Radeon HD 6990.
low / 768p
120−130
110−120
ultra / 1080p
−
100−110
medium / 1080p
−
100−110
The average gaming FPS of GeForce GTX 1080 Max Q in Minecraft is 8% more, than Radeon HD 6990.
high / 1080p
80−85
21−24
ultra / 1080p
55−60
18−20
4K / 2160p
18−20
−
low / 720p
120−130
55−60
medium / 1080p
90−95
24−27
The average gaming FPS of GeForce GTX 1080 Max Q in PLAYERUNKNOWN'S BATTLEGROUNDS is 187% more, than Radeon HD 6990.
high / 1080p
35−40
14−16
ultra / 1080p
24−27
9−10
QHD / 1440p
18−20
0−1
4K / 2160p
12−14
−
low / 720p
95−100
27−30
medium / 1080p
55−60
16−18
The average gaming FPS of GeForce GTX 1080 Max Q in Red Dead Redemption 2 is 217% more, than Radeon HD 6990.
low / 768p
190−200
55−60
medium / 768p
130−140
30−35
high / 1080p
75−80
18−20
ultra / 1080p
40−45
10−12
4K / 2160p
27−30
8−9
The average gaming FPS of GeForce GTX 1080 Max Q in The Witcher 3: Wild Hunt is 280% more, than Radeon HD 6990.
low / 768p
130−140
100−110
medium / 768p
−
60−65
ultra / 1080p
65−70
35−40
high / 768p
−
50−55
The average gaming FPS of GeForce GTX 1080 Max Q in World of Tanks is 42% more, than Radeon HD 6990.
Full Specs
GeForce GTX 1080 Max Q
Radeon HD 6990
Architecture
Pascal
TeraScale 3
Code name
N17E-G3 Max-Q
Antilles
Type
Laptop
Desktop
Release date
30 May 2017
8 March 2011
Pipelines
2560
1536
Core clock speed
1101 - 1290 MHz
830 MHz
Boost Clock
1278 - 1468 MHz
Transistor count
7,200 million
2,640 million
Manufacturing process technology
16 nm
40 nm
Texture fill rate
234.9
79.68
Floating-point performance
7,516 gflops
2x 2,549.8 gflops
Length
295 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
10000 MHz
5000 MHz
Memory bandwidth
320.3 GB/s
160.0 GB/s
Shared memory
-
G-SYNC support
+
VR Ready
+
DirectX
12 (12_1)
11.2 (11_0)
Shader Model
6.4
5.0
OpenGL
4.6
4.4
OpenCL
1.2
1.2
Vulkan
1.2.131
N/A
CUDA
6.1
Bitcoin / BTC (SHA256)
265 Mh/s
Laptop size
large
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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