Radeon HD 7990 vs Radeon R9 M270X

In this comparison between Radeon HD 7990 and Radeon R9 M270X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 7990 will be the best choice, for others Radeon R9 M270X will be their preference. Study the comparison tables below and make your choice.

Radeon HD 7990 Check Price

Radeon R9 M270X

Main Specs

	Radeon HD 7990	Radeon R9 M270X
Power consumption (TDP)	375 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	2x 8-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	3 GB	4 GB
Display Connectors	1x DVI, 4x mini-DisplayPort	No outputs
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Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon R9 M270X has 1 GB more memory, than Radeon HD 7990.
Both cards are used in Desktops.
Radeon HD 7990 and Radeon R9 M270X are build with GCN 1.0 architecture.
Core clock speed of Radeon HD 7990 is 225 MHz higher, than Radeon R9 M270X.
Radeon HD 7990 and Radeon R9 M270X are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7990 is 4875 MHz higher, than Radeon R9 M270X.

Game benchmarks


high / 1080p	35−40	6−7
ultra / 1080p	21−24	4−5
QHD / 1440p	16−18	0−1
4K / 2160p	10−11	−
low / 720p	60−65	16−18
medium / 1080p	40−45	8−9
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 355% more, than Radeon R9 M270X.
high / 1080p	55−60	10−12
ultra / 1080p	45−50	10−11
QHD / 1440p	35−40	0−1
4K / 2160p	18−20	−
low / 720p	100−110	24−27
medium / 1080p	60−65	12−14
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 353% more, than Radeon R9 M270X.
low / 768p	50−55	45−50
high / 1080p	−	45−50
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 7990 in Call of Duty: Warzone is 10% more, than Radeon R9 M270X.
low / 768p	250−260	130−140
medium / 768p	220−230	100−110
ultra / 1080p	180−190	50−55
QHD / 1440p	110−120	27−30
4K / 2160p	70−75	27−30
high / 768p	210−220	75−80
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 149% more, than Radeon R9 M270X.
low / 768p	60−65	55−60
ultra / 1080p	−	18−20
medium / 1080p	55−60	45−50
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 15% more, than Radeon R9 M270X.
low / 768p	120−130	75−80
medium / 768p	110−120	55−60
ultra / 1080p	100−110	30−35
The average gaming FPS of Radeon HD 7990 in Dota 2 is 109% more, than Radeon R9 M270X.
high / 1080p	45−50	8−9
ultra / 1080p	40−45	7−8
QHD / 1440p	27−30	−
4K / 2160p	14−16	3−4
low / 720p	80−85	18−20
medium / 1080p	45−50	8−9
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 422% more, than Radeon R9 M270X.
high / 1080p	60−65	14−16
ultra / 1080p	45−50	10−11
QHD / 1440p	27−30	−
4K / 2160p	27−30	−
low / 720p	180−190	60−65
medium / 1080p	110−120	21−24
The average gaming FPS of Radeon HD 7990 in Fortnite is 277% more, than Radeon R9 M270X.
high / 1080p	60−65	12−14
ultra / 1080p	45−50	10−12
QHD / 1440p	30−35	1−2
4K / 2160p	24−27	−
low / 720p	100−110	24−27
medium / 1080p	65−70	12−14
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 425% more, than Radeon R9 M270X.
low / 768p	140−150	50−55
medium / 768p	120−130	45−50
high / 1080p	70−75	12−14
ultra / 1080p	30−35	6−7
QHD / 1440p	21−24	0−1
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 220% more, than Radeon R9 M270X.
high / 1080p	24−27	4−5
ultra / 1080p	20−22	3−4
QHD / 1440p	16−18	−
4K / 2160p	8−9	0−1
low / 720p	65−70	12−14
medium / 1080p	30−35	6−7
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 500% more, than Radeon R9 M270X.
low / 768p	130−140	90−95
high / 1080p	−	85−90
ultra / 1080p	−	80−85
medium / 1080p	120−130	90−95
The average gaming FPS of Radeon HD 7990 in Minecraft is 41% more, than Radeon R9 M270X.
high / 1080p	−	16−18
ultra / 1080p	14−16	14−16
low / 720p	100−110	30−35
medium / 1080p	18−20	18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 109% more, than Radeon R9 M270X.
high / 1080p	24−27	−
ultra / 1080p	16−18	7−8
QHD / 1440p	10−11	0−1
4K / 2160p	7−8	−
low / 720p	65−70	10−12
medium / 1080p	35−40	10−12
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 344% more, than Radeon R9 M270X.
low / 768p	130−140	24−27
medium / 768p	85−90	16−18
high / 1080p	45−50	9−10
ultra / 1080p	24−27	6−7
4K / 2160p	16−18	−
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 421% more, than Radeon R9 M270X.
low / 768p	90−95	85−90
medium / 768p	60−65	40−45
ultra / 1080p	50−55	18−20
high / 768p	60−65	35−40
The average gaming FPS of Radeon HD 7990 in World of Tanks is 45% more, than Radeon R9 M270X.

Full Specs

	Radeon HD 7990	Radeon R9 M270X
Architecture	GCN 1.0	GCN 1.0
Code name	Malta	Venus
Type	Desktop	Desktop
Release date	24 April 2013	21 March 2014
Pipelines	2048	640
Core clock speed	950 MHz	725 MHz
Boost Clock	1000 MHz	775 MHz
Transistor count	4,313 million	1,500 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	128.0	31.00
Floating-point performance	2x 4,096 gflops	1,536 gflops
Length	307 mm
Memory bus width	384 Bit	128 Bit
Memory clock speed	6000 MHz	1125 MHz
Memory bandwidth	288.0 GB/s	72 GB/s
DirectX	12 (11_1)
Shader Model	5.1	5.1
OpenGL	4.6	4.4
OpenCL	1.2	Not Listed
Vulkan	1.2.131
FreeSync		+
Bus support		PCIe 3.0 x16
Bitcoin / BTC (SHA256)	459 Mh/s
Eyefinity		+
HD3D		+
PowerTune		+
DualGraphics		+
ZeroCore		+
Switchable graphics		+
Mantle		+
Ethereum / ETH (DaggerHashimoto)	44 Mh/s
Compute units		10
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Radeon HD 7990 vs Radeon R9 M270X

Main Specs

Game benchmarks

Full Specs

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