Radeon HD 6990 vs Radeon HD 7990

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990 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 HD 6990 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 HD 6990 Check Price

Radeon HD 7990 Check Price

Main Specs

	Radeon HD 6990	Radeon HD 7990
Power consumption (TDP)	375 Watt	375 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors	2x 8-pin	2x 8-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB	3 GB
Display Connectors	1x DVI, 4x mini-DisplayPort	1x DVI, 4x mini-DisplayPort
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Both graphics cards have the same power consumption of 375 Watt.
Radeon HD 6990 is connected by PCIe 2.0 x16, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
Radeon HD 7990 has 1 GB more memory, than Radeon HD 6990.
Both cards are used in Desktops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of Radeon HD 7990 is 120 MHz higher, than Radeon HD 6990.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
Radeon HD 7990 is 12 mm longer, than Radeon HD 6990.
Memory clock speed of Radeon HD 7990 is 1000 MHz higher, than Radeon HD 6990.

Game benchmarks


high / 1080p	14−16	35−40
ultra / 1080p	9−10	21−24
QHD / 1440p	3−4	16−18
4K / 2160p	−	10−11
low / 720p	30−35	60−65
medium / 1080p	18−20	40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 140% more, than Radeon HD 6990.
high / 1080p	24−27	55−60
ultra / 1080p	21−24	45−50
QHD / 1440p	7−8	35−40
4K / 2160p	5−6	18−20
low / 720p	50−55	100−110
medium / 1080p	27−30	60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 134% more, than Radeon HD 6990.
low / 768p	45−50	50−55
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 7990 in Call of Duty: Warzone is 10% more, than Radeon HD 6990.
low / 768p	210−220	250−260
medium / 768p	170−180	220−230
ultra / 1080p	95−100	180−190
QHD / 1440p	50−55	110−120
4K / 2160p	30−33	70−75
high / 768p	140−150	210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 48% more, than Radeon HD 6990.
low / 768p	55−60	60−65
ultra / 1080p	40−45	−
medium / 1080p	45−50	55−60
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 15% more, than Radeon HD 6990.
low / 768p	110−120	120−130
medium / 768p	90−95	110−120
ultra / 1080p	60−65	100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 27% more, than Radeon HD 6990.
high / 1080p	18−20	45−50
ultra / 1080p	16−18	40−45
QHD / 1440p	−	27−30
4K / 2160p	6−7	14−16
low / 720p	35−40	80−85
medium / 1080p	18−20	45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 147% more, than Radeon HD 6990.
high / 1080p	24−27	60−65
ultra / 1080p	18−20	45−50
QHD / 1440p	16−18	27−30
4K / 2160p	−	27−30
low / 720p	95−100	180−190
medium / 1080p	50−55	110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 107% more, than Radeon HD 6990.
high / 1080p	24−27	60−65
ultra / 1080p	20−22	45−50
QHD / 1440p	9−10	30−35
4K / 2160p	−	24−27
low / 720p	50−55	100−110
medium / 1080p	27−30	65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 133% more, than Radeon HD 6990.
low / 768p	85−90	140−150
medium / 768p	75−80	120−130
high / 1080p	30−33	70−75
ultra / 1080p	12−14	30−35
QHD / 1440p	3−4	21−24
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 88% more, than Radeon HD 6990.
high / 1080p	9−10	24−27
ultra / 1080p	7−8	20−22
QHD / 1440p	−	16−18
4K / 2160p	2−3	8−9
low / 720p	27−30	65−70
medium / 1080p	12−14	30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 158% more, than Radeon HD 6990.
low / 768p	110−120	130−140
ultra / 1080p	100−110	−
medium / 1080p	100−110	120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 18% more, than Radeon HD 6990.
high / 1080p	21−24	−
ultra / 1080p	18−20	14−16
low / 720p	55−60	100−110
medium / 1080p	24−27	18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 35% more, than Radeon HD 6990.
high / 1080p	14−16	24−27
ultra / 1080p	9−10	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	27−30	65−70
medium / 1080p	16−18	35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 111% more, than Radeon HD 6990.
low / 768p	55−60	130−140
medium / 768p	30−35	85−90
high / 1080p	18−20	45−50
ultra / 1080p	10−12	24−27
4K / 2160p	8−9	16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 148% more, than Radeon HD 6990.
low / 768p	100−110	90−95
medium / 768p	60−65	60−65
ultra / 1080p	35−40	50−55
high / 768p	50−55	60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 4% more, than Radeon HD 6990.

Full Specs

	Radeon HD 6990	Radeon HD 7990
Architecture	TeraScale 3	GCN 1.0
Code name	Antilles	Malta
Type	Desktop	Desktop
Release date	8 March 2011	24 April 2013
Pipelines	1536	2048
Core clock speed	830 MHz	950 MHz
Boost Clock		1000 MHz
Transistor count	2,640 million	4,313 million
Manufacturing process technology	40 nm	28 nm
Texture fill rate	79.68	128.0
Floating-point performance	2x 2,549.8 gflops	2x 4,096 gflops
Length	295 mm	307 mm
Memory bus width	256 Bit	384 Bit
Memory clock speed	5000 MHz	6000 MHz
Memory bandwidth	160.0 GB/s	288.0 GB/s
DirectX	11.2 (11_0)	12 (11_1)
Shader Model	5.0	5.1
OpenGL	4.4	4.6
OpenCL	1.2	1.2
Vulkan	N/A	1.2.131
Bitcoin / BTC (SHA256)	265 Mh/s	459 Mh/s
Ethereum / ETH (DaggerHashimoto)	24 Mh/s	44 Mh/s
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Radeon HD 6990 vs Radeon HD 7990

Main Specs

Game benchmarks

Full Specs

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