Radeon HD 7990 vs Radeon RX Vega 9
If you are going to buy a new graphics card and are choosing between Radeon HD 7990 and Radeon RX Vega 9, 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 Radeon HD 7990 stacks up against Radeon RX Vega 9, check out specs charts below.
Radeon RX Vega 9 is a Laptop Graphics Card
Note: Radeon RX Vega 9 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 RX Vega 9 here:
Main Specs
Radeon HD 7990
Radeon RX Vega 9
Power consumption (TDP)
375 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
Maximum RAM amount
3 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 is used in Desktops, and Radeon RX Vega 9 - in Laptops.
Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon RX Vega 9 - with Vega.
Radeon HD 7990 is manufactured by 28 nm process technology, and Radeon RX Vega 9 - by 14 nm process technology.
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
35−40
12−14
ultra / 1080p
21−24
8−9
QHD / 1440p
16−18
2−3
4K / 2160p
10−11
−
low / 720p
60−65
27−30
medium / 1080p
40−45
16−18
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 176% more, than Radeon RX Vega 9.
high / 1080p
55−60
21−24
ultra / 1080p
45−50
18−20
QHD / 1440p
35−40
5−6
4K / 2160p
18−20
4−5
low / 720p
100−110
45−50
medium / 1080p
60−65
24−27
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 170% more, than Radeon RX Vega 9.
low / 768p
50−55
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7990 in Call of Duty: Warzone is 10% more, than Radeon RX Vega 9.
low / 768p
250−260
190−200
medium / 768p
220−230
160−170
ultra / 1080p
180−190
85−90
QHD / 1440p
110−120
50−55
4K / 2160p
70−75
30−33
high / 768p
210−220
130−140
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 59% more, than Radeon RX Vega 9.
low / 768p
60−65
55−60
ultra / 1080p
−
35−40
medium / 1080p
55−60
45−50
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 15% more, than Radeon RX Vega 9.
low / 768p
120−130
100−110
medium / 768p
110−120
85−90
ultra / 1080p
100−110
55−60
The average gaming FPS of Radeon HD 7990 in Dota 2 is 38% more, than Radeon RX Vega 9.
high / 1080p
45−50
14−16
ultra / 1080p
40−45
14−16
QHD / 1440p
27−30
−
4K / 2160p
14−16
5−6
low / 720p
80−85
35−40
medium / 1080p
45−50
16−18
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 161% more, than Radeon RX Vega 9.
high / 1080p
60−65
21−24
ultra / 1080p
45−50
16−18
QHD / 1440p
27−30
16−18
4K / 2160p
27−30
−
low / 720p
180−190
90−95
medium / 1080p
110−120
45−50
The average gaming FPS of Radeon HD 7990 in Fortnite is 123% more, than Radeon RX Vega 9.
high / 1080p
60−65
21−24
ultra / 1080p
45−50
18−20
QHD / 1440p
30−35
7−8
4K / 2160p
24−27
−
low / 720p
100−110
45−50
medium / 1080p
65−70
24−27
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 162% more, than Radeon RX Vega 9.
low / 768p
140−150
75−80
medium / 768p
120−130
70−75
high / 1080p
70−75
24−27
ultra / 1080p
30−35
10−12
QHD / 1440p
21−24
1−2
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 113% more, than Radeon RX Vega 9.
high / 1080p
24−27
8−9
ultra / 1080p
20−22
6−7
QHD / 1440p
16−18
−
4K / 2160p
8−9
2−3
low / 720p
65−70
24−27
medium / 1080p
30−35
10−12
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 210% more, than Radeon RX Vega 9.
low / 768p
130−140
100−110
ultra / 1080p
−
100−110
medium / 1080p
120−130
100−110
The average gaming FPS of Radeon HD 7990 in Minecraft is 23% more, than Radeon RX Vega 9.
high / 1080p
−
21−24
ultra / 1080p
14−16
16−18
low / 720p
100−110
50−55
medium / 1080p
18−20
21−24
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 53% more, than Radeon RX Vega 9.
high / 1080p
24−27
12−14
ultra / 1080p
16−18
9−10
QHD / 1440p
10−11
0−1
4K / 2160p
7−8
−
low / 720p
65−70
24−27
medium / 1080p
35−40
14−16
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 140% more, than Radeon RX Vega 9.
low / 768p
130−140
45−50
medium / 768p
85−90
30−33
high / 1080p
45−50
16−18
ultra / 1080p
24−27
10−11
4K / 2160p
16−18
7−8
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 181% more, than Radeon RX Vega 9.
low / 768p
90−95
95−100
medium / 768p
60−65
55−60
ultra / 1080p
50−55
30−35
high / 768p
60−65
50−55
The average gaming FPS of Radeon HD 7990 in World of Tanks is 11% more, than Radeon RX Vega 9.
Full Specs
Radeon HD 7990
Radeon RX Vega 9
Architecture
GCN 1.0
Vega
Code name
Malta
Vega Raven Ridge
Type
Desktop
Laptop
Release date
24 April 2013
26 October 2017
Pipelines
2048
576
Core clock speed
950 MHz
Boost Clock
1000 MHz
1300 MHz
Transistor count
4,313 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
128.0
Floating-point performance
2x 4,096 gflops
Length
307 mm
Memory bus width
384 Bit
Memory clock speed
6000 MHz
Memory bandwidth
288.0 GB/s
Shared memory
-
DirectX
12 (11_1)
DirectX 12_1
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2.131
Bitcoin / BTC (SHA256)
459 Mh/s
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
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