Radeon HD 7990 vs Radeon R7 512 Cores Kaveri

In this comparison between Radeon HD 7990 and Radeon R7 512 Cores Kaveri 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 R7 512 Cores Kaveri will be their preference. Study the comparison tables below and make your choice.

Radeon HD 7990 Check Price

Radeon R7 512 Cores Kaveri

Main Specs

	Radeon HD 7990	Radeon R7 512 Cores Kaveri
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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Both cards are used in Desktops.
Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon R7 512 Cores Kaveri - with GCN.
Core clock speed of Radeon HD 7990 is 230 MHz higher, than Radeon R7 512 Cores Kaveri.
Radeon HD 7990 and Radeon R7 512 Cores Kaveri are manufactured by 28 nm process technology.

Game benchmarks


high / 1080p	35−40	7−8
ultra / 1080p	21−24	4−5
QHD / 1440p	16−18	0−1
4K / 2160p	10−11	−
low / 720p	60−65	18−20
medium / 1080p	40−45	9−10
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 310% more, than Radeon R7 512 Cores Kaveri.
high / 1080p	55−60	12−14
ultra / 1080p	45−50	10−12
QHD / 1440p	35−40	0−1
4K / 2160p	18−20	−
low / 720p	100−110	27−30
medium / 1080p	60−65	14−16
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 325% more, than Radeon R7 512 Cores Kaveri.
low / 768p	50−55	45−50
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 R7 512 Cores Kaveri.
low / 768p	250−260	140−150
medium / 768p	220−230	110−120
ultra / 1080p	180−190	55−60
QHD / 1440p	110−120	30−35
4K / 2160p	70−75	27−30
high / 768p	210−220	85−90
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 129% more, than Radeon R7 512 Cores Kaveri.
low / 768p	60−65	55−60
ultra / 1080p	−	21−24
medium / 1080p	55−60	45−50
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 15% more, than Radeon R7 512 Cores Kaveri.
low / 768p	120−130	85−90
medium / 768p	110−120	60−65
ultra / 1080p	100−110	35−40
The average gaming FPS of Radeon HD 7990 in Dota 2 is 85% more, than Radeon R7 512 Cores Kaveri.
high / 1080p	45−50	9−10
ultra / 1080p	40−45	8−9
QHD / 1440p	27−30	−
4K / 2160p	14−16	4−5
low / 720p	80−85	21−24
medium / 1080p	45−50	10−11
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 327% more, than Radeon R7 512 Cores Kaveri.
high / 1080p	60−65	16−18
ultra / 1080p	45−50	10−12
QHD / 1440p	27−30	−
4K / 2160p	27−30	−
low / 720p	180−190	65−70
medium / 1080p	110−120	24−27
The average gaming FPS of Radeon HD 7990 in Fortnite is 240% more, than Radeon R7 512 Cores Kaveri.
high / 1080p	60−65	14−16
ultra / 1080p	45−50	12−14
QHD / 1440p	30−35	2−3
4K / 2160p	24−27	−
low / 720p	100−110	27−30
medium / 1080p	65−70	14−16
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 350% more, than Radeon R7 512 Cores Kaveri.
low / 768p	140−150	55−60
medium / 768p	120−130	50−55
high / 1080p	70−75	14−16
ultra / 1080p	30−35	7−8
QHD / 1440p	21−24	0−1
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 181% more, than Radeon R7 512 Cores Kaveri.
high / 1080p	24−27	5−6
ultra / 1080p	20−22	3−4
QHD / 1440p	16−18	−
4K / 2160p	8−9	0−1
low / 720p	65−70	14−16
medium / 1080p	30−35	7−8
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 414% more, than Radeon R7 512 Cores Kaveri.
low / 768p	130−140	95−100
high / 1080p	−	90−95
ultra / 1080p	−	80−85
medium / 1080p	120−130	95−100
The average gaming FPS of Radeon HD 7990 in Minecraft is 34% more, than Radeon R7 512 Cores Kaveri.
high / 1080p	−	16−18
ultra / 1080p	14−16	14−16
low / 720p	100−110	35−40
medium / 1080p	18−20	18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 100% more, than Radeon R7 512 Cores Kaveri.
high / 1080p	24−27	−
ultra / 1080p	16−18	8−9
QHD / 1440p	10−11	0−1
4K / 2160p	7−8	−
low / 720p	65−70	14−16
medium / 1080p	35−40	10−12
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 263% more, than Radeon R7 512 Cores Kaveri.
low / 768p	130−140	27−30
medium / 768p	85−90	18−20
high / 1080p	45−50	10−11
ultra / 1080p	24−27	7−8
4K / 2160p	16−18	6−7
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 342% more, than Radeon R7 512 Cores Kaveri.
low / 768p	90−95	85−90
medium / 768p	60−65	45−50
ultra / 1080p	50−55	21−24
high / 768p	60−65	35−40
The average gaming FPS of Radeon HD 7990 in World of Tanks is 39% more, than Radeon R7 512 Cores Kaveri.

Full Specs

	Radeon HD 7990	Radeon R7 512 Cores Kaveri
Architecture	GCN 1.0	GCN
Code name	Malta	Kaveri Spectre
Type	Desktop	Desktop
Release date	24 April 2013	14 January 2014
Pipelines	2048	512
Core clock speed	950 MHz	720 MHz
Boost Clock	1000 MHz
Transistor count	4,313 million
Manufacturing process technology	28 nm	28 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 (FL 12_0), Shader 5.2
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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Radeon HD 7990 vs Radeon R7 512 Cores Kaveri

Main Specs

Game benchmarks

Full Specs

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