Radeon HD 6990 vs Radeon R9 270X

When choosing between Radeon HD 6990 and Radeon R9 270X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6990 and Radeon R9 270X.

Radeon HD 6990 Check Price

Radeon R9 270X Check Price

Main Specs

	Radeon HD 6990	Radeon R9 270X
Power consumption (TDP)	375 Watt	180 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors	2x 8-pin	2 x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB	2 GB
Display Connectors	1x DVI, 4x mini-DisplayPort	2x DVI, 1x HDMI, 1x DisplayPort
	Check Price	Check Price

Radeon HD 6990 has 108% more power consumption, than Radeon R9 270X.
Radeon HD 6990 is connected by PCIe 2.0 x16, and Radeon R9 270X uses PCIe 3.0 x16 interface.
Radeon HD 6990 and Radeon R9 270X have maximum RAM of 2 GB.
Both cards are used in Desktops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon R9 270X - with GCN.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon R9 270X - by 28 nm process technology.

Game benchmarks


high / 1080p	14−16	24−27
ultra / 1080p	9−10	14−16
QHD / 1440p	3−4	10−11
4K / 2160p	−	6−7
low / 720p	30−35	45−50
medium / 1080p	18−20	30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 73% more, than Radeon HD 6990.
high / 1080p	24−27	40−45
ultra / 1080p	21−24	30−35
QHD / 1440p	7−8	18−20
4K / 2160p	5−6	10−12
low / 720p	50−55	80−85
medium / 1080p	27−30	45−50
The average gaming FPS of Radeon R9 270X in Battlefield 5 is 69% more, than Radeon HD 6990.
low / 768p	45−50	50−55
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon R9 270X in Call of Duty: Warzone is 10% more, than Radeon HD 6990.
low / 768p	210−220	240−250
medium / 768p	170−180	210−220
ultra / 1080p	95−100	140−150
QHD / 1440p	50−55	110−120
4K / 2160p	30−33	60−65
high / 768p	140−150	180−190
The average gaming FPS of Radeon R9 270X in Counter-Strike: Global Offensive is 35% 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 270X 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	90−95
The average gaming FPS of Radeon R9 270X in Dota 2 is 22% more, than Radeon HD 6990.
high / 1080p	18−20	30−35
ultra / 1080p	16−18	27−30
QHD / 1440p	−	21−24
4K / 2160p	6−7	10−11
low / 720p	35−40	60−65
medium / 1080p	18−20	30−35
The average gaming FPS of Radeon R9 270X in Far Cry 5 is 73% more, than Radeon HD 6990.
high / 1080p	24−27	40−45
ultra / 1080p	18−20	30−35
QHD / 1440p	16−18	18−20
low / 720p	95−100	140−150
medium / 1080p	50−55	85−90
The average gaming FPS of Radeon R9 270X in Fortnite is 54% more, than Radeon HD 6990.
high / 1080p	24−27	40−45
ultra / 1080p	20−22	30−35
QHD / 1440p	9−10	18−20
4K / 2160p	−	16−18
low / 720p	50−55	80−85
medium / 1080p	27−30	45−50
The average gaming FPS of Radeon R9 270X in Forza Horizon 4 is 62% more, than Radeon HD 6990.
low / 768p	85−90	110−120
medium / 768p	75−80	100−110
high / 1080p	30−33	50−55
ultra / 1080p	12−14	21−24
QHD / 1440p	3−4	10−12
The average gaming FPS of Radeon R9 270X in Grand Theft Auto V is 45% more, than Radeon HD 6990.
high / 1080p	9−10	16−18
ultra / 1080p	7−8	12−14
QHD / 1440p	−	12−14
4K / 2160p	2−3	4−5
low / 720p	27−30	45−50
medium / 1080p	12−14	21−24
The average gaming FPS of Radeon R9 270X in Metro Exodus is 66% more, than Radeon HD 6990.
low / 768p	110−120	120−130
ultra / 1080p	100−110	−
medium / 1080p	100−110	110−120
The average gaming FPS of Radeon R9 270X in Minecraft is 9% more, than Radeon HD 6990.
high / 1080p	21−24	−
ultra / 1080p	18−20	14−16
low / 720p	55−60	80−85
medium / 1080p	24−27	18−20
The average gaming FPS of Radeon R9 270X in PLAYERUNKNOWN'S BATTLEGROUNDS is 11% more, than Radeon HD 6990.
high / 1080p	14−16	18−20
ultra / 1080p	9−10	12−14
QHD / 1440p	0−1	4−5
4K / 2160p	−	3−4
low / 720p	27−30	45−50
medium / 1080p	16−18	24−27
The average gaming FPS of Radeon R9 270X in Red Dead Redemption 2 is 52% more, than Radeon HD 6990.
low / 768p	55−60	90−95
medium / 768p	30−35	55−60
high / 1080p	18−20	30−35
ultra / 1080p	10−12	18−20
4K / 2160p	8−9	10−11
The average gaming FPS of Radeon R9 270X in The Witcher 3: Wild Hunt is 68% more, than Radeon HD 6990.
low / 768p	100−110	90−95
medium / 768p	60−65	60−65
ultra / 1080p	35−40	45−50
high / 768p	50−55	55−60
The average gaming FPS of Radeon R9 270X in World of Tanks is 1% more, than Radeon HD 6990.

Full Specs

	Radeon HD 6990	Radeon R9 270X
Architecture	TeraScale 3	GCN
Code name	Antilles	Curacao XT
Type	Desktop	Desktop
Release date	8 March 2011	8 October 2013
Pipelines	1536	1280
Core clock speed	830 MHz
Boost Clock		1050 MHz
Transistor count	2,640 million	2,800 million
Manufacturing process technology	40 nm	28 nm
Texture fill rate	79.68	84.00
Floating-point performance	2x 2,549.8 gflops	2,688 gflops
Length	295 mm
Memory bus width	256 Bit	256 Bit
Memory clock speed	5000 MHz
Memory bandwidth	160.0 GB/s	179.2 GB/s
Shared memory		-
DirectX	11.2 (11_0)
Shader Model	5.0	5.1
OpenGL	4.4	4.6
OpenCL	1.2	1.2
Vulkan	N/A	+
FreeSync		+
Bus support		PCIe 3.0
HDMI		+
Bitcoin / BTC (SHA256)	265 Mh/s	318 Mh/s
Eyefinity		+
HD3D		+
TrueAudio		+
Design		reference
DisplayPort support		+
CrossFire		+
DDMA audio		+
Ethereum / ETH (DaggerHashimoto)	24 Mh/s	30 Mh/s
Zcash / ZEC (Equihash)		163 Sol/s
AppAcceleration		+
LiquidVR		+
TressFX		+
UVD		+
	Check Price	Check Price

Radeon HD 6990 vs Radeon R9 270X

Main Specs

Game benchmarks

Full Specs

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