Radeon HD 6790 vs Radeon R9 M390

When comparing Radeon HD 6790 and Radeon R9 M390, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 6790 and Radeon R9 M390 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon HD 6790 Check Price

Radeon R9 M390 Check Price

Radeon R9 M390 is a Laptop Graphics Card

Note: Radeon R9 M390 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 R9 M390 here:

Radeon R9 M390 Laptops

Main Specs

	Radeon HD 6790	Radeon R9 M390
Power consumption (TDP)	150 Watt
Interface	PCIe 2.0 x16
Supplementary power connectors	2x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	1 GB	2 GB
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 M390 has 1 GB more memory, than Radeon HD 6790.
Radeon HD 6790 is used in Desktops, and Radeon R9 M390 - in Laptops.
Radeon HD 6790 is build with Terascale 2 architecture, and Radeon R9 M390 - with GCN.
Radeon HD 6790 is manufactured by 40 nm process technology, and Radeon R9 M390 - by 28 nm process technology.

Game benchmarks


high / 1080p	7−8	18−20
ultra / 1080p	4−5	10−11
QHD / 1440p	0−1	5−6
4K / 2160p	−	4−5
low / 720p	18−20	35−40
medium / 1080p	9−10	21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 120% more, than Radeon HD 6790.
high / 1080p	12−14	27−30
ultra / 1080p	10−12	24−27
QHD / 1440p	0−1	10−12
4K / 2160p	−	7−8
low / 720p	27−30	60−65
medium / 1080p	14−16	30−35
The average gaming FPS of Radeon R9 M390 in Battlefield 5 is 131% more, than Radeon HD 6790.
low / 768p	45−50	45−50
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
Radeon HD 6790 and Radeon R9 M390 have the same average FPS in Call of Duty: Warzone.
low / 768p	140−150	220−230
medium / 768p	120−130	190−200
ultra / 1080p	60−65	110−120
QHD / 1440p	30−35	65−70
4K / 2160p	27−30	35−40
high / 768p	90−95	150−160
The average gaming FPS of Radeon R9 M390 in Counter-Strike: Global Offensive is 62% more, than Radeon HD 6790.
low / 768p	55−60	55−60
ultra / 1080p	21−24	45−50
medium / 1080p	45−50	45−50
The average gaming FPS of Radeon R9 M390 in Cyberpunk 2077 is 19% more, than Radeon HD 6790.
low / 768p	85−90	110−120
medium / 768p	65−70	100−110
ultra / 1080p	35−40	70−75
The average gaming FPS of Radeon R9 M390 in Dota 2 is 51% more, than Radeon HD 6790.
high / 1080p	9−10	21−24
ultra / 1080p	8−9	18−20
QHD / 1440p	−	16−18
4K / 2160p	4−5	7−8
low / 720p	21−24	45−50
medium / 1080p	10−11	21−24
The average gaming FPS of Radeon R9 M390 in Far Cry 5 is 109% more, than Radeon HD 6790.
high / 1080p	16−18	27−30
ultra / 1080p	10−12	21−24
QHD / 1440p	−	16−18
low / 720p	65−70	110−120
medium / 1080p	27−30	60−65
The average gaming FPS of Radeon R9 M390 in Fortnite is 83% more, than Radeon HD 6790.
high / 1080p	14−16	30−33
ultra / 1080p	12−14	21−24
QHD / 1440p	2−3	12−14
4K / 2160p	−	10−12
low / 720p	27−30	60−65
medium / 1080p	16−18	30−35
The average gaming FPS of Radeon R9 M390 in Forza Horizon 4 is 113% more, than Radeon HD 6790.
low / 768p	55−60	95−100
medium / 768p	50−55	85−90
high / 1080p	14−16	35−40
ultra / 1080p	7−8	14−16
QHD / 1440p	0−1	5−6
The average gaming FPS of Radeon R9 M390 in Grand Theft Auto V is 78% more, than Radeon HD 6790.
high / 1080p	5−6	10−12
ultra / 1080p	4−5	9−10
4K / 2160p	0−1	3−4
low / 720p	14−16	35−40
medium / 1080p	7−8	14−16
The average gaming FPS of Radeon R9 M390 in Metro Exodus is 125% more, than Radeon HD 6790.
low / 768p	95−100	110−120
high / 1080p	90−95	−
ultra / 1080p	85−90	−
medium / 1080p	95−100	110−120
The average gaming FPS of Radeon R9 M390 in Minecraft is 18% more, than Radeon HD 6790.
high / 1080p	16−18	24−27
ultra / 1080p	14−16	18−20
low / 720p	35−40	65−70
medium / 1080p	18−20	27−30
The average gaming FPS of Radeon R9 M390 in PLAYERUNKNOWN'S BATTLEGROUNDS is 59% more, than Radeon HD 6790.
high / 1080p	−	14−16
ultra / 1080p	8−9	10−11
QHD / 1440p	0−1	0−1
low / 720p	14−16	30−35
medium / 1080p	10−12	18−20
The average gaming FPS of Radeon R9 M390 in Red Dead Redemption 2 is 81% more, than Radeon HD 6790.
low / 768p	27−30	65−70
medium / 768p	18−20	40−45
high / 1080p	10−11	21−24
ultra / 1080p	7−8	12−14
4K / 2160p	6−7	9−10
The average gaming FPS of Radeon R9 M390 in The Witcher 3: Wild Hunt is 121% more, than Radeon HD 6790.
low / 768p	85−90	100−110
medium / 768p	45−50	65−70
ultra / 1080p	21−24	35−40
high / 768p	40−45	55−60
The average gaming FPS of Radeon R9 M390 in World of Tanks is 32% more, than Radeon HD 6790.

Full Specs

	Radeon HD 6790	Radeon R9 M390
Architecture	Terascale 2	GCN
Code name	Barts	Pitcairn
Type	Desktop	Laptop
Release date	4 April 2011	9 June 2015
Pipelines	800	1024
Core clock speed	840 MHz
Transistor count	1,700 million	5000 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	256 Bit
Memory clock speed	1050 MHz
Memory bandwidth	134.4 GB/s
Shared memory		-
DirectX	11.2 (11_0)
Shader Model	5.0
OpenGL	4.4	4.4
OpenCL	1.2	Not Listed
Vulkan	N/A
FreeSync		+
Bus support		PCIe 3.0
Bitcoin / BTC (SHA256)	122 Mh/s	242 Mh/s
Laptop size		large
Eyefinity		+
HD3D		+
PowerTune		+
DualGraphics		+
ZeroCore		+
Switchable graphics		+
Mantle		+
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Radeon HD 6790 vs Radeon R9 M390

Radeon R9 M390 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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