Radeon HD 6990 vs Radeon R9 270

If you are going to buy a new graphics card and are choosing between Radeon HD 6990 and Radeon R9 270, 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 270, check out specs charts below.

Radeon HD 6990 Check Price

Radeon R9 270 Check Price

Main Specs

	Radeon HD 6990	Radeon R9 270
Power consumption (TDP)	375 Watt	150 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors	2x 8-pin	1 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
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Radeon HD 6990 has 150% more power consumption, than Radeon R9 270.
Radeon HD 6990 is connected by PCIe 2.0 x16, and Radeon R9 270 uses PCIe 3.0 x16 interface.
Radeon HD 6990 and Radeon R9 270 have maximum RAM of 2 GB.
Both cards are used in Desktops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon R9 270 - with GCN 1.0.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon R9 270 - by 28 nm process technology.
Radeon HD 6990 is 85 mm longer, than Radeon R9 270.

Game benchmarks


high / 1080p	14−16	21−24
ultra / 1080p	9−10	12−14
QHD / 1440p	3−4	7−8
4K / 2160p	−	5−6
low / 720p	30−35	40−45
medium / 1080p	18−20	27−30
The average gaming FPS of Radeon R9 270 in Assassin's Creed Odyssey is 46% more, than Radeon HD 6990.
high / 1080p	24−27	30−35
ultra / 1080p	21−24	30−33
QHD / 1440p	7−8	14−16
4K / 2160p	5−6	8−9
low / 720p	50−55	70−75
medium / 1080p	27−30	35−40
The average gaming FPS of Radeon R9 270 in Battlefield 5 is 39% more, than Radeon HD 6990.
low / 768p	45−50	50−55
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon R9 270 in Call of Duty: Warzone is 10% more, than Radeon HD 6990.
low / 768p	210−220	230−240
medium / 768p	170−180	200−210
ultra / 1080p	95−100	120−130
QHD / 1440p	50−55	95−100
4K / 2160p	30−33	55−60
high / 768p	140−150	170−180
The average gaming FPS of Radeon R9 270 in Counter-Strike: Global Offensive is 25% more, than Radeon HD 6990.
low / 768p	55−60	60−65
ultra / 1080p	40−45	50−55
medium / 1080p	45−50	55−60
The average gaming FPS of Radeon R9 270 in Cyberpunk 2077 is 16% more, than Radeon HD 6990.
low / 768p	110−120	120−130
medium / 768p	90−95	110−120
ultra / 1080p	60−65	80−85
The average gaming FPS of Radeon R9 270 in Dota 2 is 18% more, than Radeon HD 6990.
high / 1080p	18−20	27−30
ultra / 1080p	16−18	24−27
QHD / 1440p	−	20−22
4K / 2160p	6−7	8−9
low / 720p	35−40	55−60
medium / 1080p	18−20	27−30
The average gaming FPS of Radeon R9 270 in Far Cry 5 is 52% more, than Radeon HD 6990.
high / 1080p	24−27	35−40
ultra / 1080p	18−20	27−30
QHD / 1440p	16−18	16−18
low / 720p	95−100	130−140
medium / 1080p	50−55	75−80
The average gaming FPS of Radeon R9 270 in Fortnite is 40% more, than Radeon HD 6990.
high / 1080p	24−27	35−40
ultra / 1080p	20−22	27−30
QHD / 1440p	9−10	14−16
4K / 2160p	−	14−16
low / 720p	50−55	70−75
medium / 1080p	27−30	40−45
The average gaming FPS of Radeon R9 270 in Forza Horizon 4 is 44% more, than Radeon HD 6990.
low / 768p	85−90	100−110
medium / 768p	75−80	95−100
high / 1080p	30−33	40−45
ultra / 1080p	12−14	18−20
QHD / 1440p	3−4	8−9
The average gaming FPS of Radeon R9 270 in Grand Theft Auto V is 28% more, than Radeon HD 6990.
high / 1080p	9−10	14−16
ultra / 1080p	7−8	10−12
QHD / 1440p	−	10−12
4K / 2160p	2−3	3−4
low / 720p	27−30	40−45
medium / 1080p	12−14	18−20
The average gaming FPS of Radeon R9 270 in Metro Exodus is 50% 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 270 in Minecraft is 9% more, than Radeon HD 6990.
high / 1080p	21−24	−
ultra / 1080p	18−20	14−16
low / 720p	55−60	70−75
medium / 1080p	24−27	18−20
The average gaming FPS of Radeon R9 270 in PLAYERUNKNOWN'S BATTLEGROUNDS is 2% more, than Radeon HD 6990.
high / 1080p	14−16	16−18
ultra / 1080p	9−10	10−12
QHD / 1440p	0−1	2−3
4K / 2160p	−	2−3
low / 720p	27−30	40−45
medium / 1080p	16−18	21−24
The average gaming FPS of Radeon R9 270 in Red Dead Redemption 2 is 35% more, than Radeon HD 6990.
low / 768p	55−60	75−80
medium / 768p	30−35	45−50
high / 1080p	18−20	27−30
ultra / 1080p	10−12	14−16
4K / 2160p	8−9	9−10
The average gaming FPS of Radeon R9 270 in The Witcher 3: Wild Hunt is 40% more, than Radeon HD 6990.
low / 768p	100−110	90−95
medium / 768p	60−65	60−65
ultra / 1080p	35−40	40−45
high / 768p	50−55	55−60
The average gaming FPS of Radeon HD 6990 in World of Tanks is 1% more, than Radeon R9 270.

Full Specs

	Radeon HD 6990	Radeon R9 270
Architecture	TeraScale 3	GCN 1.0
Code name	Antilles	Curacao
Type	Desktop	Desktop
Release date	8 March 2011	13 November 2013
Pipelines	1536	1280
Core clock speed	830 MHz
Boost Clock		925 MHz
Transistor count	2,640 million	2,800 million
Manufacturing process technology	40 nm	28 nm
Texture fill rate	79.68	74.00
Floating-point performance	2x 2,549.8 gflops	2,368 gflops
Length	295 mm	210 mm
Memory bus width	256 Bit	256 Bit
Memory clock speed	5000 MHz
Memory bandwidth	160.0 GB/s	179.2 GB/s
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	293 Mh/s
Eyefinity		+
HD3D		+
TrueAudio		+
Design		reference
DisplayPort support		+
CrossFire		+
DDMA audio		+
Ethereum / ETH (DaggerHashimoto)	24 Mh/s	16 Mh/s
LiquidVR		+
TressFX		+
UVD		+
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Radeon HD 6990 vs Radeon R9 270

Main Specs

Game benchmarks

Full Specs

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