Radeon HD 7990 vs Radeon R9 270X

If you are going to buy a new graphics card and are choosing between Radeon HD 7990 and Radeon R9 270X, 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 7990 stacks up against Radeon R9 270X, check out specs charts below.

Radeon HD 7990 Check Price

Radeon R9 270X Check Price

Main Specs

	Radeon HD 7990	Radeon R9 270X
Power consumption (TDP)	375 Watt	180 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	2x 8-pin	2 x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	3 GB	2 GB
Display Connectors	1x DVI, 4x mini-DisplayPort	2x DVI, 1x HDMI, 1x DisplayPort
	Check Price	Check Price

Radeon HD 7990 has 108% more power consumption, than Radeon R9 270X.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon HD 7990 has 1 GB more memory, than Radeon R9 270X.
Both cards are used in Desktops.
Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon R9 270X - with GCN.
Radeon HD 7990 and Radeon R9 270X are manufactured by 28 nm process technology.

Game benchmarks


high / 1080p	35−40	24−27
ultra / 1080p	21−24	14−16
QHD / 1440p	16−18	10−11
4K / 2160p	10−11	6−7
low / 720p	60−65	45−50
medium / 1080p	40−45	30−35
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 45% more, than Radeon R9 270X.
high / 1080p	55−60	40−45
ultra / 1080p	45−50	30−35
QHD / 1440p	35−40	18−20
4K / 2160p	18−20	10−12
low / 720p	100−110	80−85
medium / 1080p	60−65	45−50
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 38% more, than Radeon R9 270X.
low / 768p	50−55	50−55
QHD / 1440p	0−1	0−1
Radeon HD 7990 and Radeon R9 270X have the same average FPS in Call of Duty: Warzone.
low / 768p	250−260	240−250
medium / 768p	220−230	210−220
ultra / 1080p	180−190	140−150
QHD / 1440p	110−120	110−120
4K / 2160p	70−75	60−65
high / 768p	210−220	180−190
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 9% more, than Radeon R9 270X.
low / 768p	60−65	60−65
medium / 1080p	55−60	55−60
Radeon HD 7990 and Radeon R9 270X have the same average FPS in Cyberpunk 2077.
low / 768p	120−130	120−130
medium / 768p	110−120	110−120
ultra / 1080p	100−110	90−95
The average gaming FPS of Radeon HD 7990 in Dota 2 is 4% more, than Radeon R9 270X.
high / 1080p	45−50	30−35
ultra / 1080p	40−45	27−30
QHD / 1440p	27−30	21−24
4K / 2160p	14−16	10−11
low / 720p	80−85	60−65
medium / 1080p	45−50	30−35
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 38% more, than Radeon R9 270X.
high / 1080p	60−65	40−45
ultra / 1080p	45−50	30−35
QHD / 1440p	27−30	18−20
4K / 2160p	27−30	−
low / 720p	180−190	140−150
medium / 1080p	110−120	85−90
The average gaming FPS of Radeon HD 7990 in Fortnite is 33% more, than Radeon R9 270X.
high / 1080p	60−65	40−45
ultra / 1080p	45−50	30−35
QHD / 1440p	30−35	18−20
4K / 2160p	24−27	16−18
low / 720p	100−110	80−85
medium / 1080p	65−70	45−50
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 40% more, than Radeon R9 270X.
low / 768p	140−150	110−120
medium / 768p	120−130	100−110
high / 1080p	70−75	50−55
ultra / 1080p	30−35	21−24
QHD / 1440p	21−24	10−12
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 29% more, than Radeon R9 270X.
high / 1080p	24−27	16−18
ultra / 1080p	20−22	12−14
QHD / 1440p	16−18	12−14
4K / 2160p	8−9	4−5
low / 720p	65−70	45−50
medium / 1080p	30−35	21−24
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 47% more, than Radeon R9 270X.
low / 768p	130−140	120−130
medium / 1080p	120−130	110−120
The average gaming FPS of Radeon HD 7990 in Minecraft is 8% more, than Radeon R9 270X.
ultra / 1080p	14−16	14−16
low / 720p	100−110	80−85
medium / 1080p	18−20	18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 21% more, than Radeon R9 270X.
high / 1080p	24−27	18−20
ultra / 1080p	16−18	12−14
QHD / 1440p	10−11	4−5
4K / 2160p	7−8	3−4
low / 720p	65−70	45−50
medium / 1080p	35−40	24−27
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 50% more, than Radeon R9 270X.
low / 768p	130−140	90−95
medium / 768p	85−90	55−60
high / 1080p	45−50	30−35
ultra / 1080p	24−27	18−20
4K / 2160p	16−18	10−11
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 47% more, than Radeon R9 270X.
low / 768p	90−95	90−95
medium / 768p	60−65	60−65
ultra / 1080p	50−55	45−50
high / 768p	60−65	55−60
The average gaming FPS of Radeon HD 7990 in World of Tanks is 3% more, than Radeon R9 270X.

Full Specs

	Radeon HD 7990	Radeon R9 270X
Architecture	GCN 1.0	GCN
Code name	Malta	Curacao XT
Type	Desktop	Desktop
Release date	24 April 2013	8 October 2013
Pipelines	2048	1280
Core clock speed	950 MHz
Boost Clock	1000 MHz	1050 MHz
Transistor count	4,313 million	2,800 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	128.0	84.00
Floating-point performance	2x 4,096 gflops	2,688 gflops
Length	307 mm
Memory bus width	384 Bit	256 Bit
Memory clock speed	6000 MHz
Memory bandwidth	288.0 GB/s	179.2 GB/s
Shared memory		-
DirectX	12 (11_1)
Shader Model	5.1	5.1
OpenGL	4.6	4.6
OpenCL	1.2	1.2
Vulkan	1.2.131	+
FreeSync		+
Bus support		PCIe 3.0
HDMI		+
Bitcoin / BTC (SHA256)	459 Mh/s	318 Mh/s
Eyefinity		+
HD3D		+
TrueAudio		+
Design		reference
DisplayPort support		+
CrossFire		+
DDMA audio		+
Ethereum / ETH (DaggerHashimoto)	44 Mh/s	30 Mh/s
Zcash / ZEC (Equihash)		163 Sol/s
AppAcceleration		+
LiquidVR		+
TressFX		+
UVD		+
	Check Price	Check Price

Radeon HD 7990 vs Radeon R9 270X

Main Specs

Game benchmarks

Full Specs

Similar compares