Radeon HD 7990 vs Radeon RX 550

In this comparison between Radeon HD 7990 and Radeon RX 550 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 Radeon HD 7990 will be the best choice, for others Radeon RX 550 will be their preference. Study the comparison tables below and make your choice.

Radeon HD 7990 Check Price

Radeon RX 550 Check Price

Main Specs

	Radeon HD 7990	Radeon RX 550
Power consumption (TDP)	375 Watt	50 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x8
Supplementary power connectors	2x 8-pin	None
Memory type	GDDR5	GDDR5
Maximum RAM amount	3 GB	4 GB
Display Connectors	1x DVI, 4x mini-DisplayPort	1x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 7990 has 650% more power consumption, than Radeon RX 550.
Radeon HD 7990 is connected by PCIe 3.0 x16, and Radeon RX 550 uses PCIe 3.0 x8 interface.
Radeon RX 550 has 1 GB more memory, than Radeon HD 7990.
Both cards are used in Desktops.
Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon RX 550 - with GCN 4.0.
Core clock speed of Radeon RX 550 is 150 MHz higher, than Radeon HD 7990.
Radeon HD 7990 is manufactured by 28 nm process technology, and Radeon RX 550 - by 14 nm process technology.
Radeon HD 7990 is 162 mm longer, than Radeon RX 550.
Memory clock speed of Radeon RX 550 is 1000 MHz higher, than Radeon HD 7990.

Game benchmarks


high / 1080p	35−40	14−16
ultra / 1080p	21−24	8−9
QHD / 1440p	16−18	3−4
4K / 2160p	10−11	−
low / 720p	60−65	30−33
medium / 1080p	40−45	18−20
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 140% more, than Radeon RX 550.
high / 1080p	55−60	21−24
ultra / 1080p	45−50	20−22
QHD / 1440p	35−40	6−7
4K / 2160p	18−20	5−6
low / 720p	100−110	50−55
medium / 1080p	60−65	24−27
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 145% more, than Radeon RX 550.
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 550.
low / 768p	250−260	200−210
medium / 768p	220−230	170−180
ultra / 1080p	180−190	95−100
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 52% more, than Radeon RX 550.
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 550.
low / 768p	120−130	100−110
medium / 768p	110−120	90−95
ultra / 1080p	100−110	60−65
The average gaming FPS of Radeon HD 7990 in Dota 2 is 33% more, than Radeon RX 550.
high / 1080p	45−50	16−18
ultra / 1080p	40−45	14−16
QHD / 1440p	27−30	−
4K / 2160p	14−16	6−7
low / 720p	80−85	35−40
medium / 1080p	45−50	18−20
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 147% more, than Radeon RX 550.
high / 1080p	60−65	24−27
ultra / 1080p	45−50	18−20
QHD / 1440p	27−30	16−18
4K / 2160p	27−30	−
low / 720p	180−190	95−100
medium / 1080p	110−120	50−55
The average gaming FPS of Radeon HD 7990 in Fortnite is 107% more, than Radeon RX 550.
high / 1080p	60−65	24−27
ultra / 1080p	45−50	18−20
QHD / 1440p	30−35	8−9
4K / 2160p	24−27	−
low / 720p	100−110	50−55
medium / 1080p	65−70	27−30
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 142% more, than Radeon RX 550.
low / 768p	140−150	80−85
medium / 768p	120−130	70−75
high / 1080p	70−75	27−30
ultra / 1080p	30−35	12−14
QHD / 1440p	21−24	2−3
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 102% more, than Radeon RX 550.
high / 1080p	24−27	9−10
ultra / 1080p	20−22	7−8
QHD / 1440p	16−18	−
4K / 2160p	8−9	2−3
low / 720p	65−70	27−30
medium / 1080p	30−35	12−14
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 158% more, than Radeon RX 550.
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 550.
high / 1080p	−	21−24
ultra / 1080p	14−16	16−18
low / 720p	100−110	55−60
medium / 1080p	18−20	24−27
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 39% more, than Radeon RX 550.
high / 1080p	24−27	14−16
ultra / 1080p	16−18	9−10
QHD / 1440p	10−11	0−1
4K / 2160p	7−8	−
low / 720p	65−70	27−30
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 550.
low / 768p	130−140	50−55
medium / 768p	85−90	30−35
high / 1080p	45−50	18−20
ultra / 1080p	24−27	10−11
4K / 2160p	16−18	8−9
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 158% more, than Radeon RX 550.
low / 768p	90−95	100−110
medium / 768p	60−65	60−65
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 6% more, than Radeon RX 550.

Full Specs

	Radeon HD 7990	Radeon RX 550
Architecture	GCN 1.0	GCN 4.0
Code name	Malta	Lexa
Type	Desktop	Desktop
Release date	24 April 2013	20 April 2017
Pipelines	2048	512
Core clock speed	950 MHz	1100 MHz
Boost Clock	1000 MHz	1183 MHz
Transistor count	4,313 million	2,200 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	128.0	37.86
Floating-point performance	2x 4,096 gflops	1,211 gflops
Length	307 mm	145 mm
Memory bus width	384 Bit	128 Bit
Memory clock speed	6000 MHz	7000 MHz
Memory bandwidth	288.0 GB/s	112.0 GB/s
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
Bitcoin / BTC (SHA256)	459 Mh/s
Ethereum / ETH (DaggerHashimoto)	44 Mh/s
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Radeon HD 7990 vs Radeon RX 550

Main Specs

Game benchmarks

Full Specs

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