Radeon HD 7990 vs Radeon R7 M270

If you are going to buy a new graphics card and are choosing between Radeon HD 7990 and Radeon R7 M270, 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 R7 M270, check out specs charts below.

Radeon HD 7990 Check Price

Radeon R7 M270 Check Price

Radeon R7 M270 is a Laptop Graphics Card

Note: Radeon R7 M270 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon R7 M270 here:

Radeon R7 M270 Laptops

Main Specs

	Radeon HD 7990	Radeon R7 M270
Power consumption (TDP)	375 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x8
Supplementary power connectors	2x 8-pin
Memory type	GDDR5	Not Listed
Maximum RAM amount	3 GB
Display Connectors	1x DVI, 4x mini-DisplayPort	No outputs
	Check Price	Check Price

Radeon HD 7990 is connected by PCIe 3.0 x16, and Radeon R7 M270 uses PCIe 3.0 x8 interface.
Radeon HD 7990 is used in Desktops, and Radeon R7 M270 - in Laptops.
Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon R7 M270 - with GCN.
Core clock speed of Radeon HD 7990 is 125 MHz higher, than Radeon R7 M270.
Radeon HD 7990 and Radeon R7 M270 are manufactured by 28 nm process technology.

Game benchmarks


high / 1080p	35−40	0−1
ultra / 1080p	21−24	−
QHD / 1440p	16−18	0−1
4K / 2160p	10−11	−
low / 720p	60−65	1−2
medium / 1080p	40−45	0−1
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 6100% more, than Radeon R7 M270.
high / 1080p	55−60	−
ultra / 1080p	45−50	−
QHD / 1440p	35−40	0−1
4K / 2160p	18−20	−
low / 720p	100−110	0−1
medium / 1080p	60−65	−
low / 768p	50−55	50−55
high / 1080p	−	45−50
QHD / 1440p	0−1	0−1
Radeon HD 7990 and Radeon R7 M270 have the same average FPS in Call of Duty: Warzone.
low / 768p	250−260	60−65
medium / 768p	220−230	27−30
ultra / 1080p	180−190	7−8
QHD / 1440p	110−120	−
4K / 2160p	70−75	−
high / 768p	210−220	16−18
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 685% more, than Radeon R7 M270.
low / 768p	60−65	70−75
ultra / 1080p	−	0−1
medium / 1080p	55−60	45−50
Radeon HD 7990 and Radeon R7 M270 have the same average FPS in Cyberpunk 2077.
low / 768p	120−130	45−50
medium / 768p	110−120	10−11
ultra / 1080p	100−110	0−1
The average gaming FPS of Radeon HD 7990 in Dota 2 is 313% more, than Radeon R7 M270.
high / 1080p	45−50	−
ultra / 1080p	40−45	−
QHD / 1440p	27−30	−
4K / 2160p	14−16	−
low / 720p	80−85	0−1
medium / 1080p	45−50	−
high / 1080p	60−65	−
ultra / 1080p	45−50	−
QHD / 1440p	27−30	−
4K / 2160p	27−30	−
low / 720p	180−190	21−24
medium / 1080p	110−120	0−1
The average gaming FPS of Radeon HD 7990 in Fortnite is 740% more, than Radeon R7 M270.
high / 1080p	60−65	0−1
ultra / 1080p	45−50	−
QHD / 1440p	30−35	0−1
4K / 2160p	24−27	−
low / 720p	100−110	0−1
medium / 1080p	65−70	0−1
low / 768p	140−150	18−20
medium / 768p	120−130	−
high / 1080p	70−75	0−1
ultra / 1080p	30−35	−
QHD / 1440p	21−24	0−1
medium / 720p	−	12−14
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 663% more, than Radeon R7 M270.
high / 1080p	24−27	−
ultra / 1080p	20−22	−
QHD / 1440p	16−18	−
4K / 2160p	8−9	−
low / 720p	65−70	0−1
medium / 1080p	30−35	−
low / 768p	130−140	75−80
high / 1080p	−	27−30
medium / 1080p	120−130	−
The average gaming FPS of Radeon HD 7990 in Minecraft is 75% more, than Radeon R7 M270.
ultra / 1080p	14−16	−
low / 720p	100−110	8−9
medium / 1080p	18−20	−
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 1212% more, than Radeon R7 M270.
high / 1080p	24−27	−
ultra / 1080p	16−18	−
QHD / 1440p	10−11	−
4K / 2160p	7−8	−
low / 720p	65−70	0−1
medium / 1080p	35−40	−
low / 768p	130−140	0−1
medium / 768p	85−90	−
high / 1080p	45−50	−
ultra / 1080p	24−27	−
4K / 2160p	16−18	−
low / 768p	90−95	45−50
medium / 768p	60−65	14−16
ultra / 1080p	50−55	0−1
high / 768p	60−65	12−14
The average gaming FPS of Radeon HD 7990 in World of Tanks is 188% more, than Radeon R7 M270.

Full Specs

	Radeon HD 7990	Radeon R7 M270
Architecture	GCN 1.0	GCN
Code name	Malta	Opal XT / Mars
Type	Desktop	Laptop
Release date	24 April 2013	7 January 2014
Pipelines	2048	384
Core clock speed	950 MHz	825 MHz
Boost Clock	1000 MHz
Transistor count	4,313 million	950 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	128.0	19.80
Floating-point performance	2x 4,096 gflops	633.6 gflops
Length	307 mm
Memory bus width	384 Bit
Memory clock speed	6000 MHz
Memory bandwidth	288.0 GB/s	28.8 GB/s
Shared memory		-
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
Bitcoin / BTC (SHA256)	459 Mh/s
Laptop size		medium sized
HD3D		+
PowerTune		+
DualGraphics		+
ZeroCore		+
Switchable graphics		+
Mantle		+
Ethereum / ETH (DaggerHashimoto)	44 Mh/s
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Radeon HD 7990 vs Radeon R7 M270

Radeon R7 M270 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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