Radeon HD 7990 vs Radeon RX 550X mobile
If you are going to buy a new graphics card and are choosing between Radeon HD 7990 and Radeon RX 550X mobile, 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 550X mobile, check out specs charts below.
Radeon RX 550X mobile is a Laptop Graphics Card
Note: Radeon RX 550X mobile 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 550X mobile here:
Main Specs
Radeon HD 7990
Radeon RX 550X mobile
Power consumption (TDP)
375 Watt
50 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
No outputs
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Radeon HD 7990 has 650% more power consumption, than Radeon RX 550X mobile.
Radeon HD 7990 is connected by PCIe 3.0 x16, and Radeon RX 550X mobile uses PCIe 3.0 x8 interface.
Radeon RX 550X mobile has 1 GB more memory, than Radeon HD 7990.
Radeon HD 7990 is used in Desktops, and Radeon RX 550X mobile - in Laptops.
Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon RX 550X mobile - with Polaris.
Core clock speed of Radeon RX 550X mobile is 226 MHz higher, than Radeon HD 7990.
Radeon HD 7990 is manufactured by 28 nm process technology, and Radeon RX 550X mobile - by 14 nm process technology.
Memory clock speed of Radeon RX 550X mobile is 1000 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
35−40
14−16
ultra / 1080p
21−24
9−10
QHD / 1440p
16−18
3−4
4K / 2160p
10−11
−
low / 720p
60−65
30−35
medium / 1080p
40−45
20−22
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 125% more, than Radeon RX 550X mobile.
high / 1080p
55−60
24−27
ultra / 1080p
45−50
21−24
QHD / 1440p
35−40
4−5
4K / 2160p
18−20
−
low / 720p
100−110
55−60
medium / 1080p
60−65
27−30
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 129% more, than Radeon RX 550X mobile.
low / 768p
50−55
50−55
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Radeon HD 7990 and Radeon RX 550X mobile have the same average FPS in Call of Duty: Warzone.
low / 768p
250−260
210−220
medium / 768p
220−230
180−190
ultra / 1080p
180−190
100−105
QHD / 1440p
110−120
55−60
4K / 2160p
70−75
27−30
high / 768p
210−220
140−150
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 45% more, than Radeon RX 550X mobile.
low / 768p
60−65
60−65
ultra / 1080p
−
40−45
medium / 1080p
55−60
55−60
Radeon HD 7990 and Radeon RX 550X mobile have the same average FPS in Cyberpunk 2077.
low / 768p
120−130
110−120
medium / 768p
110−120
95−100
ultra / 1080p
100−110
65−70
The average gaming FPS of Radeon HD 7990 in Dota 2 is 23% more, than Radeon RX 550X mobile.
high / 1080p
45−50
18−20
ultra / 1080p
40−45
16−18
QHD / 1440p
27−30
−
4K / 2160p
14−16
6−7
low / 720p
80−85
40−45
medium / 1080p
45−50
21−24
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 123% more, than Radeon RX 550X mobile.
high / 1080p
60−65
24−27
ultra / 1080p
45−50
20−22
QHD / 1440p
27−30
12−14
4K / 2160p
27−30
−
low / 720p
180−190
100−110
medium / 1080p
110−120
55−60
The average gaming FPS of Radeon HD 7990 in Fortnite is 97% more, than Radeon RX 550X mobile.
high / 1080p
60−65
27−30
ultra / 1080p
45−50
21−24
QHD / 1440p
30−35
9−10
4K / 2160p
24−27
−
low / 720p
100−110
55−60
medium / 1080p
65−70
30−35
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 110% more, than Radeon RX 550X mobile.
low / 768p
140−150
90−95
medium / 768p
120−130
80−85
high / 1080p
70−75
30−35
ultra / 1080p
30−35
12−14
QHD / 1440p
21−24
3−4
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 79% more, than Radeon RX 550X mobile.
high / 1080p
24−27
10−11
ultra / 1080p
20−22
7−8
QHD / 1440p
16−18
−
4K / 2160p
8−9
1−2
low / 720p
65−70
30−35
medium / 1080p
30−35
12−14
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 138% more, than Radeon RX 550X mobile.
low / 768p
130−140
110−120
ultra / 1080p
−
100−110
medium / 1080p
120−130
100−110
The average gaming FPS of Radeon HD 7990 in Minecraft is 18% more, than Radeon RX 550X mobile.
ultra / 1080p
14−16
14−16
low / 720p
100−110
60−65
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 43% more, than Radeon RX 550X mobile.
high / 1080p
24−27
12−14
ultra / 1080p
16−18
8−9
QHD / 1440p
10−11
0−1
4K / 2160p
7−8
−
low / 720p
65−70
30−33
medium / 1080p
35−40
16−18
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 111% more, than Radeon RX 550X mobile.
low / 768p
130−140
55−60
medium / 768p
85−90
35−40
high / 1080p
45−50
20−22
ultra / 1080p
24−27
10−12
4K / 2160p
16−18
6−7
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 138% more, than Radeon RX 550X mobile.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
50−55
35−40
high / 768p
60−65
50−55
The average gaming FPS of Radeon HD 7990 in World of Tanks is 9% more, than Radeon RX 550X mobile.
Full Specs
Radeon HD 7990
Radeon RX 550X mobile
Architecture
GCN 1.0
Polaris
Code name
Malta
Polaris 12
Type
Desktop
Laptop
Release date
24 April 2013
10 January 2019
Pipelines
2048
640
Core clock speed
950 MHz
1176 MHz
Boost Clock
1000 MHz
1287 MHz
Transistor count
4,313 million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
128.0
51.48
Floating-point performance
2x 4,096 gflops
Length
307 mm
Memory bus width
384 Bit
128 Bit
Memory clock speed
6000 MHz
7000 MHz
Memory bandwidth
288.0 GB/s
96 GB/s
Shared memory
-
DirectX
12 (11_1)
12 (12_0)
Shader Model
5.1
6.4
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2.131
1.2.131
FreeSync
+
Bitcoin / BTC (SHA256)
459 Mh/s
Laptop size
large
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
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