Radeon HD 7790 vs Radeon R9 390X

If you are going to buy a new graphics card and are choosing between Radeon HD 7790 and Radeon R9 390X, 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 7790 stacks up against Radeon R9 390X, check out specs charts below.

Radeon HD 7790 Check Price

Radeon R9 390X Check Price

Main Specs

	Radeon HD 7790	Radeon R9 390X
Power consumption (TDP)	85 Watt	275 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	1x 6-pin	1 x 6-pin, 1 x 8-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	1 GB
Display Connectors	1x DVI, 1x HDMI, 2x mini-DisplayPort	2x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 390X has 223% more power consumption, than Radeon HD 7790.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Both cards are used in Desktops.
Radeon HD 7790 is build with GCN 2.0 architecture, and Radeon R9 390X - with GCN.
Radeon HD 7790 and Radeon R9 390X are manufactured by 28 nm process technology.
Radeon R9 390X is 92 mm longer, than Radeon HD 7790.
Memory clock speed of Radeon HD 7790 is 4950 MHz higher, than Radeon R9 390X.

Game benchmarks


high / 1080p	16−18	50−55
ultra / 1080p	9−10	30−35
QHD / 1440p	4−5	24−27
4K / 2160p	4−5	14−16
low / 720p	30−35	75−80
medium / 1080p	20−22	55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 207% more, than Radeon HD 7790.
high / 1080p	24−27	75−80
ultra / 1080p	21−24	65−70
QHD / 1440p	8−9	50−55
4K / 2160p	6−7	27−30
low / 720p	50−55	130−140
medium / 1080p	27−30	85−90
The average gaming FPS of Radeon R9 390X in Battlefield 5 is 208% more, than Radeon HD 7790.
low / 768p	45−50	45−50
QHD / 1440p	0−1	45−50
Radeon HD 7790 and Radeon R9 390X have the same average FPS in Call of Duty: Warzone.
low / 768p	210−220	250−260
medium / 768p	180−190	230−240
ultra / 1080p	100−110	−
QHD / 1440p	55−60	150−160
4K / 2160p	30−35	100−110
high / 768p	140−150	220−230
The average gaming FPS of Radeon R9 390X in Counter-Strike: Global Offensive is 53% more, than Radeon HD 7790.
low / 768p	55−60	70−75
ultra / 1080p	40−45	−
medium / 1080p	45−50	50−55
The average gaming FPS of Radeon R9 390X in Cyberpunk 2077 is 19% more, than Radeon HD 7790.
low / 768p	110−120	120−130
medium / 768p	95−100	110−120
ultra / 1080p	65−70	110−120
The average gaming FPS of Radeon R9 390X in Dota 2 is 26% more, than Radeon HD 7790.
high / 1080p	18−20	60−65
ultra / 1080p	16−18	60−65
QHD / 1440p	16−18	40−45
4K / 2160p	6−7	21−24
low / 720p	40−45	100−110
medium / 1080p	20−22	65−70
The average gaming FPS of Radeon R9 390X in Far Cry 5 is 200% more, than Radeon HD 7790.
high / 1080p	24−27	90−95
ultra / 1080p	20−22	70−75
QHD / 1440p	16−18	45−50
4K / 2160p	−	21−24
low / 720p	100−110	210−220
medium / 1080p	55−60	140−150
The average gaming FPS of Radeon R9 390X in Fortnite is 153% more, than Radeon HD 7790.
high / 1080p	27−30	80−85
ultra / 1080p	21−24	65−70
QHD / 1440p	10−11	45−50
4K / 2160p	10−11	30−35
low / 720p	55−60	130−140
medium / 1080p	30−33	90−95
The average gaming FPS of Radeon R9 390X in Forza Horizon 4 is 192% more, than Radeon HD 7790.
low / 768p	85−90	160−170
medium / 768p	75−80	150−160
high / 1080p	30−35	95−100
ultra / 1080p	12−14	45−50
QHD / 1440p	3−4	35−40
The average gaming FPS of Radeon R9 390X in Grand Theft Auto V is 138% more, than Radeon HD 7790.
high / 1080p	10−11	35−40
ultra / 1080p	8−9	30−35
QHD / 1440p	−	24−27
4K / 2160p	3−4	14−16
low / 720p	30−35	90−95
medium / 1080p	12−14	50−55
The average gaming FPS of Radeon R9 390X in Metro Exodus is 253% more, than Radeon HD 7790.
low / 768p	110−120	120−130
medium / 1080p	100−110	−
The average gaming FPS of Radeon R9 390X in Minecraft is 8% more, than Radeon HD 7790.
high / 1080p	21−24	75−80
ultra / 1080p	18−20	50−55
4K / 2160p	−	18−20
low / 720p	55−60	120−130
medium / 1080p	24−27	85−90
The average gaming FPS of Radeon R9 390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 174% more, than Radeon HD 7790.
high / 1080p	14−16	35−40
ultra / 1080p	10−11	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	30−33	90−95
medium / 1080p	16−18	50−55
The average gaming FPS of Radeon R9 390X in Red Dead Redemption 2 is 183% more, than Radeon HD 7790.
low / 768p	55−60	180−190
medium / 768p	35−40	120−130
high / 1080p	20−22	70−75
ultra / 1080p	10−12	35−40
4K / 2160p	8−9	24−27
The average gaming FPS of Radeon R9 390X in The Witcher 3: Wild Hunt is 229% more, than Radeon HD 7790.
low / 768p	100−110	120−130
medium / 768p	60−65	−
ultra / 1080p	35−40	65−70
high / 768p	55−60	120−130
The average gaming FPS of Radeon R9 390X in World of Tanks is 59% more, than Radeon HD 7790.

Full Specs

	Radeon HD 7790	Radeon R9 390X
Architecture	GCN 2.0	GCN
Code name	Bonaire	Grenada XT
Type	Desktop	Desktop
Release date	22 March 2013	16 June 2015
Pipelines	896	2816
Core clock speed	1000 MHz
Boost Clock		1050 MHz
Transistor count	2,080 million	6,200 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	56.00	184.8
Floating-point performance	1,792 gflops	5,914 gflops
Length	183 mm	275 mm
Memory bus width	128 Bit	512 Bit
Memory clock speed	6000 MHz	1050 MHz
Memory bandwidth	96 GB/s	384 GB/s
Shared memory		-
DirectX	12 (12_0)
Shader Model	6.3	6.3
OpenGL	4.6	4.6
OpenCL	2.0	2.0
Vulkan	1.2.131	+
FreeSync		+
Bus support		PCIe 3.0
HDMI		+
Bitcoin / BTC (SHA256)	218 Mh/s	684 Mh/s
Eyefinity		+
PowerTune		+
TrueAudio		+
Mantle		+
Design		reference
Bridgeless CrossFire		+
Number of Eyefinity displays		6
DisplayPort support		+
CrossFire		+
VCE		+
DDMA audio		+
Ethereum / ETH (DaggerHashimoto)	5.2 Mh/s	27.5 Mh/s
High bandwidth memory (HBM)		-
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Radeon HD 7790 vs Radeon R9 390X

Main Specs

Game benchmarks

Full Specs

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