Radeon HD 6990 vs Radeon R9 290X

If you are going to buy a new graphics card and are choosing between Radeon HD 6990 and Radeon R9 290X, 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 6990 stacks up against Radeon R9 290X, check out specs charts below.

Radeon HD 6990 Check Price

Radeon R9 290X Check Price

Main Specs

	Radeon HD 6990	Radeon R9 290X
Power consumption (TDP)	375 Watt	250 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors	2x 8-pin	1 x 6-pin + 1 x 8-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB	4 GB
Display Connectors	1x DVI, 4x mini-DisplayPort	2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6990 has 50% more power consumption, than Radeon R9 290X.
Radeon HD 6990 is connected by PCIe 2.0 x16, and Radeon R9 290X uses PCIe 3.0 x16 interface.
Radeon R9 290X has 2 GB more memory, than Radeon HD 6990.
Both cards are used in Desktops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon R9 290X - with GCN.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon R9 290X - by 28 nm process technology.
Radeon HD 6990 is 20 mm longer, than Radeon R9 290X.
Memory clock speed of Radeon HD 6990 is 3750 MHz higher, than Radeon R9 290X.

Game benchmarks


high / 1080p	14−16	35−40
ultra / 1080p	9−10	24−27
QHD / 1440p	3−4	18−20
4K / 2160p	−	10−11
low / 720p	30−35	60−65
medium / 1080p	18−20	45−50
The average gaming FPS of Radeon R9 290X in Assassin's Creed Odyssey is 153% more, than Radeon HD 6990.
high / 1080p	24−27	60−65
ultra / 1080p	21−24	50−55
QHD / 1440p	7−8	35−40
4K / 2160p	5−6	18−20
low / 720p	50−55	110−120
medium / 1080p	27−30	65−70
The average gaming FPS of Radeon R9 290X in Battlefield 5 is 156% more, than Radeon HD 6990.
low / 768p	45−50	50−55
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon R9 290X 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	190−200
QHD / 1440p	50−55	110−120
4K / 2160p	30−33	70−75
high / 768p	140−150	210−220
The average gaming FPS of Radeon R9 290X in Counter-Strike: Global Offensive is 50% 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 R9 290X 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 R9 290X in Dota 2 is 27% more, than Radeon HD 6990.
high / 1080p	18−20	45−50
ultra / 1080p	16−18	45−50
QHD / 1440p	−	30−35
4K / 2160p	6−7	16−18
low / 720p	35−40	85−90
medium / 1080p	18−20	50−55
The average gaming FPS of Radeon R9 290X in Far Cry 5 is 163% more, than Radeon HD 6990.
high / 1080p	24−27	65−70
ultra / 1080p	18−20	50−55
QHD / 1440p	16−18	30−35
4K / 2160p	−	27−30
low / 720p	95−100	180−190
medium / 1080p	50−55	120−130
The average gaming FPS of Radeon R9 290X in Fortnite is 119% more, than Radeon HD 6990.
high / 1080p	24−27	65−70
ultra / 1080p	20−22	45−50
QHD / 1440p	9−10	35−40
4K / 2160p	−	24−27
low / 720p	50−55	110−120
medium / 1080p	27−30	70−75
The average gaming FPS of Radeon R9 290X in Forza Horizon 4 is 151% more, than Radeon HD 6990.
low / 768p	85−90	140−150
medium / 768p	75−80	130−140
high / 1080p	30−33	75−80
ultra / 1080p	12−14	30−35
QHD / 1440p	3−4	24−27
The average gaming FPS of Radeon R9 290X in Grand Theft Auto V is 97% more, than Radeon HD 6990.
high / 1080p	9−10	27−30
ultra / 1080p	7−8	21−24
QHD / 1440p	−	18−20
4K / 2160p	2−3	9−10
low / 720p	27−30	70−75
medium / 1080p	12−14	35−40
The average gaming FPS of Radeon R9 290X in Metro Exodus is 183% 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 R9 290X 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 R9 290X in PLAYERUNKNOWN'S BATTLEGROUNDS is 35% more, than Radeon HD 6990.
high / 1080p	14−16	27−30
ultra / 1080p	9−10	18−20
QHD / 1440p	0−1	12−14
4K / 2160p	−	8−9
low / 720p	27−30	70−75
medium / 1080p	16−18	35−40
The average gaming FPS of Radeon R9 290X in Red Dead Redemption 2 is 129% more, than Radeon HD 6990.
low / 768p	55−60	140−150
medium / 768p	30−35	90−95
high / 1080p	18−20	50−55
ultra / 1080p	10−12	27−30
4K / 2160p	8−9	16−18
The average gaming FPS of Radeon R9 290X in The Witcher 3: Wild Hunt is 168% more, than Radeon HD 6990.
low / 768p	100−110	90−95
medium / 768p	60−65	60−65
ultra / 1080p	35−40	55−60
high / 768p	50−55	−
The average gaming FPS of Radeon R9 290X in World of Tanks is 2% more, than Radeon HD 6990.

Full Specs

	Radeon HD 6990	Radeon R9 290X
Architecture	TeraScale 3	GCN
Code name	Antilles	Hawaii XT
Type	Desktop	Desktop
Release date	8 March 2011	24 October 2013
Pipelines	1536	2816
Core clock speed	830 MHz
Boost Clock		947 MHz
Transistor count	2,640 million	6,200 million
Manufacturing process technology	40 nm	28 nm
Texture fill rate	79.68	176.0
Floating-point performance	2x 2,549.8 gflops	5,632 gflops
Length	295 mm	275 mm
Memory bus width	256 Bit	512 Bit
Memory clock speed	5000 MHz	1250 MHz
Memory bandwidth	160.0 GB/s	320 GB/s
Shared memory		-
DirectX	11.2 (11_0)
Shader Model	5.0	6.3
OpenGL	4.4	4.6
OpenCL	1.2	2.0
Vulkan	N/A	+
Monero / XMR (CryptoNight)		0.76 kh/s
FreeSync		+
Bus support		PCIe 3.0
HDMI		+
Bitcoin / BTC (SHA256)	265 Mh/s	623 Mh/s
Eyefinity		+
HD3D		+
TrueAudio		+
Design		reference
DisplayPort support		+
CrossFire		+
DDMA audio		+
Decred / DCR (Decred)		1.07 Gh/s
Ethereum / ETH (DaggerHashimoto)	24 Mh/s	25.75 Mh/s
Zcash / ZEC (Equihash)		350 Sol/s
AppAcceleration		+
LiquidVR		+
TressFX		+
UVD		+
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Radeon HD 6990 vs Radeon R9 290X

Main Specs

Game benchmarks

Full Specs

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