GeForce GTX 1080 Max Q vs Radeon HD 7990
In this comparison between GeForce GTX 1080 Max Q and Radeon HD 7990 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 GeForce GTX 1080 Max Q will be the best choice, for others Radeon HD 7990 will be their preference. Study the comparison tables below and make your choice.
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 7990
Power consumption (TDP)
150 Watt
375 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
2x 8-pin
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
3 GB
Display Connectors
No outputs
1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 150% more power consumption, than GeForce GTX 1080 Max Q.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GTX 1080 Max Q has 5 GB more memory, than Radeon HD 7990.
GeForce GTX 1080 Max Q is used in Laptops, and Radeon HD 7990 - in Desktops.
GeForce GTX 1080 Max Q is build with Pascal architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of GeForce GTX 1080 Max Q is 151 MHz higher, than Radeon HD 7990.
GeForce GTX 1080 Max Q is manufactured by 16 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
Memory clock speed of GeForce GTX 1080 Max Q is 4000 MHz higher, than Radeon HD 7990.
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
35−40
ultra / 1080p
35−40
21−24
QHD / 1440p
27−30
16−18
4K / 2160p
16−18
10−11
low / 720p
80−85
60−65
medium / 1080p
60−65
40−45
The average gaming FPS of GeForce GTX 1080 Max Q in Assassin's Creed Odyssey is 43% more, than Radeon HD 7990.
high / 1080p
80−85
55−60
ultra / 1080p
70−75
45−50
QHD / 1440p
55−60
35−40
4K / 2160p
30−33
18−20
low / 720p
130−140
100−110
medium / 1080p
90−95
60−65
The average gaming FPS of GeForce GTX 1080 Max Q in Battlefield 5 is 44% more, than Radeon HD 7990.
low / 768p
45−50
50−55
QHD / 1440p
−
0−1
The average gaming FPS of Radeon HD 7990 in Call of Duty: Warzone is 10% more, than GeForce GTX 1080 Max Q.
low / 768p
250−260
250−260
medium / 768p
230−240
220−230
ultra / 1080p
−
180−190
QHD / 1440p
150−160
110−120
4K / 2160p
100−110
70−75
high / 768p
220−230
210−220
The average gaming FPS of GeForce GTX 1080 Max Q in Counter-Strike: Global Offensive is 10% more, than Radeon HD 7990.
low / 768p
70−75
60−65
medium / 1080p
50−55
55−60
The average gaming FPS of GeForce GTX 1080 Max Q in Cyberpunk 2077 is 3% more, than Radeon HD 7990.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
110−120
100−110
The average gaming FPS of GeForce GTX 1080 Max Q in Dota 2 is 2% more, than Radeon HD 7990.
high / 1080p
65−70
45−50
ultra / 1080p
60−65
40−45
QHD / 1440p
40−45
27−30
4K / 2160p
21−24
14−16
low / 720p
100−110
80−85
medium / 1080p
70−75
45−50
The average gaming FPS of GeForce GTX 1080 Max Q in Far Cry 5 is 44% more, than Radeon HD 7990.
high / 1080p
95−100
60−65
ultra / 1080p
75−80
45−50
QHD / 1440p
45−50
27−30
4K / 2160p
21−24
27−30
low / 720p
220−230
180−190
medium / 1080p
150−160
110−120
The average gaming FPS of GeForce GTX 1080 Max Q in Fortnite is 35% more, than Radeon HD 7990.
high / 1080p
90−95
60−65
ultra / 1080p
70−75
45−50
QHD / 1440p
50−55
30−35
4K / 2160p
35−40
24−27
low / 720p
140−150
100−110
medium / 1080p
95−100
65−70
The average gaming FPS of GeForce GTX 1080 Max Q in Forza Horizon 4 is 46% more, than Radeon HD 7990.
low / 768p
160−170
140−150
medium / 768p
150−160
120−130
high / 1080p
100−110
70−75
ultra / 1080p
50−55
30−35
QHD / 1440p
40−45
21−24
The average gaming FPS of GeForce GTX 1080 Max Q in Grand Theft Auto V is 31% more, than Radeon HD 7990.
high / 1080p
40−45
24−27
ultra / 1080p
30−35
20−22
QHD / 1440p
24−27
16−18
4K / 2160p
14−16
8−9
low / 720p
95−100
65−70
medium / 1080p
55−60
30−35
The average gaming FPS of GeForce GTX 1080 Max Q in Metro Exodus is 60% more, than Radeon HD 7990.
low / 768p
120−130
130−140
medium / 1080p
−
120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 8% more, than GeForce GTX 1080 Max Q.
high / 1080p
80−85
−
ultra / 1080p
55−60
14−16
4K / 2160p
18−20
−
low / 720p
120−130
100−110
medium / 1080p
90−95
18−20
The average gaming FPS of GeForce GTX 1080 Max Q in PLAYERUNKNOWN'S BATTLEGROUNDS is 97% more, than Radeon HD 7990.
high / 1080p
35−40
24−27
ultra / 1080p
24−27
16−18
QHD / 1440p
18−20
10−11
4K / 2160p
12−14
7−8
low / 720p
95−100
65−70
medium / 1080p
55−60
35−40
The average gaming FPS of GeForce GTX 1080 Max Q in Red Dead Redemption 2 is 51% more, than Radeon HD 7990.
low / 768p
190−200
130−140
medium / 768p
130−140
85−90
high / 1080p
75−80
45−50
ultra / 1080p
40−45
24−27
4K / 2160p
27−30
16−18
The average gaming FPS of GeForce GTX 1080 Max Q in The Witcher 3: Wild Hunt is 53% more, than Radeon HD 7990.
low / 768p
130−140
90−95
medium / 768p
−
60−65
ultra / 1080p
65−70
50−55
high / 768p
−
60−65
The average gaming FPS of GeForce GTX 1080 Max Q in World of Tanks is 40% more, than Radeon HD 7990.
Full Specs
GeForce GTX 1080 Max Q
Radeon HD 7990
Architecture
Pascal
GCN 1.0
Code name
N17E-G3 Max-Q
Malta
Type
Laptop
Desktop
Release date
30 May 2017
24 April 2013
Pipelines
2560
2048
Core clock speed
1101 - 1290 MHz
950 MHz
Boost Clock
1278 - 1468 MHz
1000 MHz
Transistor count
7,200 million
4,313 million
Manufacturing process technology
16 nm
28 nm
Texture fill rate
234.9
128.0
Floating-point performance
7,516 gflops
2x 4,096 gflops
Length
307 mm
Memory bus width
256 Bit
384 Bit
Memory clock speed
10000 MHz
6000 MHz
Memory bandwidth
320.3 GB/s
288.0 GB/s
Shared memory
-
G-SYNC support
+
VR Ready
+
DirectX
12 (12_1)
12 (11_1)
Shader Model
6.4
5.1
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2.131
1.2.131
CUDA
6.1
Bitcoin / BTC (SHA256)
459 Mh/s
Laptop size
large
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
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