Radeon 550X vs Radeon HD 7990

Find out if it is worth upgrading your current GPU setup by comparing Radeon 550X and Radeon HD 7990. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon 550X and Radeon HD 7990. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon 550X

Radeon HD 7990 Check Price

Main Specs

	Radeon 550X	Radeon HD 7990
Power consumption (TDP)	50 Watt	375 Watt
Interface	PCIe 3.0 x8	PCIe 3.0 x16
Supplementary power connectors	None	2x 8-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB	3 GB
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 650% more power consumption, than Radeon 550X.
Radeon 550X is connected by PCIe 3.0 x8, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
Radeon HD 7990 has 1 GB more memory, than Radeon 550X.
Both cards are used in Desktops.
Radeon 550X is build with GCN 4.0 architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of Radeon 550X is 132 MHz higher, than Radeon HD 7990.
Radeon 550X is manufactured by 14 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
Radeon HD 7990 is 162 mm longer, than Radeon 550X.
Memory clock speed of Radeon 550X is 1000 MHz higher, than Radeon HD 7990.

Game benchmarks


high / 1080p	7−8	35−40
ultra / 1080p	4−5	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	16−18	60−65
medium / 1080p	9−10	40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 355% more, than Radeon 550X.
high / 1080p	12−14	55−60
ultra / 1080p	10−12	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	24−27	100−110
medium / 1080p	12−14	60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 353% more, than Radeon 550X.
low / 768p	45−50	50−55
high / 1080p	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 550X.
low / 768p	140−150	250−260
medium / 768p	110−120	220−230
ultra / 1080p	55−60	180−190
QHD / 1440p	30−35	110−120
4K / 2160p	27−30	70−75
high / 768p	85−90	210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 129% more, than Radeon 550X.
low / 768p	55−60	60−65
ultra / 1080p	20−22	−
medium / 1080p	45−50	55−60
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 15% more, than Radeon 550X.
low / 768p	80−85	120−130
medium / 768p	60−65	110−120
ultra / 1080p	35−40	100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 91% more, than Radeon 550X.
high / 1080p	8−9	45−50
ultra / 1080p	8−9	40−45
QHD / 1440p	−	27−30
4K / 2160p	4−5	14−16
low / 720p	20−22	80−85
medium / 1080p	9−10	45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 370% more, than Radeon 550X.
high / 1080p	14−16	60−65
ultra / 1080p	10−12	45−50
QHD / 1440p	−	27−30
4K / 2160p	−	27−30
low / 720p	60−65	180−190
medium / 1080p	24−27	110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 264% more, than Radeon 550X.
high / 1080p	12−14	60−65
ultra / 1080p	10−12	45−50
QHD / 1440p	1−2	30−35
4K / 2160p	−	24−27
low / 720p	27−30	100−110
medium / 1080p	14−16	65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 384% more, than Radeon 550X.
low / 768p	55−60	140−150
medium / 768p	45−50	120−130
high / 1080p	12−14	70−75
ultra / 1080p	6−7	30−35
QHD / 1440p	0−1	21−24
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 200% more, than Radeon 550X.
high / 1080p	5−6	24−27
ultra / 1080p	3−4	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	12−14	65−70
medium / 1080p	7−8	30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 414% more, than Radeon 550X.
low / 768p	95−100	130−140
high / 1080p	90−95	−
ultra / 1080p	80−85	−
medium / 1080p	90−95	120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 36% more, than Radeon 550X.
high / 1080p	16−18	−
ultra / 1080p	14−16	14−16
low / 720p	30−35	100−110
medium / 1080p	18−20	18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 109% more, than Radeon 550X.
high / 1080p	−	24−27
ultra / 1080p	7−8	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	12−14	65−70
medium / 1080p	10−12	35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 300% more, than Radeon 550X.
low / 768p	24−27	130−140
medium / 768p	16−18	85−90
high / 1080p	10−11	45−50
ultra / 1080p	6−7	24−27
4K / 2160p	6−7	16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 376% more, than Radeon 550X.
low / 768p	85−90	90−95
medium / 768p	45−50	60−65
ultra / 1080p	20−22	50−55
high / 768p	35−40	60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 39% more, than Radeon 550X.

Full Specs

	Radeon 550X	Radeon HD 7990
Architecture	GCN 4.0	GCN 1.0
Code name	Lexa	Malta
Type	Desktop	Desktop
Release date	27 March 2019	24 April 2013
Pipelines	512	2048
Core clock speed	1082 MHz	950 MHz
Boost Clock	1218 MHz	1000 MHz
Transistor count	2,200 million	4,313 million
Manufacturing process technology	14 nm	28 nm
Texture fill rate	38.98	128.0
Floating-point performance		2x 4,096 gflops
Length	145 mm	307 mm
Memory bus width	128 Bit	384 Bit
Memory clock speed	7000 MHz	6000 MHz
Memory bandwidth	112.0 GB/s	288.0 GB/s
DirectX	12 (12_0)	12 (11_1)
Shader Model	6.4	5.1
OpenGL	4.6	4.6
OpenCL	2.0	1.2
Vulkan	1.2.131	1.2.131
Bitcoin / BTC (SHA256)		459 Mh/s
Ethereum / ETH (DaggerHashimoto)		44 Mh/s
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Radeon 550X vs Radeon HD 7990

Main Specs

Game benchmarks

Full Specs

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