Radeon HD 6790 vs Radeon HD 7970M Crossfire

If you are going to buy a new graphics card and are choosing between Radeon HD 6790 and Radeon HD 7970M Crossfire, 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 6790 stacks up against Radeon HD 7970M Crossfire, check out specs charts below.

Radeon HD 6790 Check Price

Radeon HD 7970M Crossfire Check Price

Radeon HD 7970M Crossfire is a Laptop Graphics Card

Note: Radeon HD 7970M Crossfire 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 HD 7970M Crossfire here:

Radeon HD 7970M Crossfire Laptops

Main Specs

	Radeon HD 6790	Radeon HD 7970M Crossfire
Power consumption (TDP)	150 Watt	200 Watt
Interface	PCIe 2.0 x16
Supplementary power connectors	2x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	1 GB
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 7970M Crossfire has 33% more power consumption, than Radeon HD 6790.
Radeon HD 6790 is used in Desktops, and Radeon HD 7970M Crossfire - in Laptops.
Radeon HD 6790 is build with Terascale 2 architecture, and Radeon HD 7970M Crossfire - with GCN.
Core clock speed of Radeon HD 7970M Crossfire is 10 MHz higher, than Radeon HD 6790.
Radeon HD 6790 is manufactured by 40 nm process technology, and Radeon HD 7970M Crossfire - by 28 nm process technology.
Memory clock speed of Radeon HD 7970M Crossfire is 3750 MHz higher, than Radeon HD 6790.

Game benchmarks


high / 1080p	7−8	35−40
ultra / 1080p	4−5	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	18−20	60−65
medium / 1080p	9−10	40−45
The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 310% more, than Radeon HD 6790.
high / 1080p	12−14	55−60
ultra / 1080p	10−12	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	27−30	100−110
medium / 1080p	14−16	60−65
The average gaming FPS of Radeon HD 7970M Crossfire in Battlefield 5 is 325% more, than Radeon HD 6790.
low / 768p	45−50	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 7970M Crossfire in Call of Duty: Warzone is 10% more, than Radeon HD 6790.
low / 768p	140−150	250−260
medium / 768p	120−130	220−230
ultra / 1080p	60−65	180−190
QHD / 1440p	30−35	110−120
4K / 2160p	27−30	70−75
high / 768p	90−95	210−220
The average gaming FPS of Radeon HD 7970M Crossfire in Counter-Strike: Global Offensive is 118% more, than Radeon HD 6790.
low / 768p	55−60	60−65
ultra / 1080p	21−24	−
medium / 1080p	45−50	55−60
The average gaming FPS of Radeon HD 7970M Crossfire in Cyberpunk 2077 is 15% more, than Radeon HD 6790.
low / 768p	85−90	120−130
medium / 768p	65−70	110−120
ultra / 1080p	35−40	100−110
The average gaming FPS of Radeon HD 7970M Crossfire in Dota 2 is 79% more, than Radeon HD 6790.
high / 1080p	9−10	45−50
ultra / 1080p	8−9	40−45
QHD / 1440p	−	27−30
4K / 2160p	4−5	14−16
low / 720p	21−24	80−85
medium / 1080p	10−11	45−50
The average gaming FPS of Radeon HD 7970M Crossfire in Far Cry 5 is 327% more, than Radeon HD 6790.
high / 1080p	16−18	60−65
ultra / 1080p	10−12	45−50
QHD / 1440p	−	27−30
4K / 2160p	−	27−30
low / 720p	65−70	180−190
medium / 1080p	27−30	110−120
The average gaming FPS of Radeon HD 7970M Crossfire in Fortnite is 229% more, than Radeon HD 6790.
high / 1080p	14−16	60−65
ultra / 1080p	12−14	45−50
QHD / 1440p	2−3	30−35
4K / 2160p	−	24−27
low / 720p	27−30	100−110
medium / 1080p	16−18	65−70
The average gaming FPS of Radeon HD 7970M Crossfire in Forza Horizon 4 is 320% more, than Radeon HD 6790.
low / 768p	55−60	140−150
medium / 768p	50−55	120−130
high / 1080p	14−16	70−75
ultra / 1080p	7−8	30−35
QHD / 1440p	0−1	21−24
The average gaming FPS of Radeon HD 7970M Crossfire in Grand Theft Auto V is 181% more, than Radeon HD 6790.
high / 1080p	5−6	24−27
ultra / 1080p	4−5	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	14−16	65−70
medium / 1080p	7−8	30−35
The average gaming FPS of Radeon HD 7970M Crossfire in Metro Exodus is 350% more, than Radeon HD 6790.
low / 768p	95−100	130−140
high / 1080p	90−95	−
ultra / 1080p	85−90	−
medium / 1080p	95−100	120−130
The average gaming FPS of Radeon HD 7970M Crossfire in Minecraft is 34% more, than Radeon HD 6790.
high / 1080p	16−18	−
ultra / 1080p	14−16	14−16
low / 720p	35−40	100−110
medium / 1080p	18−20	18−20
The average gaming FPS of Radeon HD 7970M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 100% more, than Radeon HD 6790.
high / 1080p	−	24−27
ultra / 1080p	8−9	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	14−16	65−70
medium / 1080p	10−12	35−40
The average gaming FPS of Radeon HD 7970M Crossfire in Red Dead Redemption 2 is 263% more, than Radeon HD 6790.
low / 768p	27−30	130−140
medium / 768p	18−20	85−90
high / 1080p	10−11	45−50
ultra / 1080p	7−8	24−27
4K / 2160p	6−7	16−18
The average gaming FPS of Radeon HD 7970M Crossfire in The Witcher 3: Wild Hunt is 342% more, than Radeon HD 6790.
low / 768p	85−90	90−95
medium / 768p	45−50	60−65
ultra / 1080p	21−24	50−55
high / 768p	40−45	60−65
The average gaming FPS of Radeon HD 7970M Crossfire in World of Tanks is 34% more, than Radeon HD 6790.

Full Specs

	Radeon HD 6790	Radeon HD 7970M Crossfire
Architecture	Terascale 2	GCN
Code name	Barts	Wimbledon XT
Type	Desktop	Laptop
Release date	4 April 2011	1 May 2012
Pipelines	800	2560
Core clock speed	840 MHz	850 MHz
Transistor count	1,700 million
Manufacturing process technology	40 nm	28 nm
Texture fill rate	33.60
Floating-point performance	1,344.0 gflops
Length	198 mm
Memory bus width	256 Bit	2x 256 Bit
Memory clock speed	1050 MHz	4800 MHz
Memory bandwidth	134.4 GB/s
Shared memory		-
DirectX	11.2 (11_0)	DirectX 11.1, Shader 5.0
Shader Model	5.0
OpenGL	4.4
OpenCL	1.2
Vulkan	N/A
Bitcoin / BTC (SHA256)	122 Mh/s
Laptop size		large
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Radeon HD 6790 vs Radeon HD 7970M Crossfire

Radeon HD 7970M Crossfire is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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