GeForce GTX 660 vs Radeon R9 390X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and Radeon R9 390X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 660 and Radeon R9 390X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce GTX 660 Check Price

Radeon R9 390X Check Price

Main Specs

	GeForce GTX 660	Radeon R9 390X
Power consumption (TDP)	140 Watt	275 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	One 6-pin	1 x 6-pin, 1 x 8-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x HDMI, 1x DisplayPort
	Check Price	Check Price

Radeon R9 390X has 96% more power consumption, than GeForce GTX 660.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Both cards are used in Desktops.
GeForce GTX 660 is build with Kepler architecture, and Radeon R9 390X - with GCN.
GeForce GTX 660 and Radeon R9 390X are manufactured by 28 nm process technology.
Radeon R9 390X is 266 mm longer, than GeForce GTX 660.
Memory clock speed of Radeon R9 390X is 1044 MHz higher, than GeForce GTX 660.

Game benchmarks


high / 1080p	20−22	50−55
ultra / 1080p	12−14	30−35
QHD / 1440p	6−7	24−27
4K / 2160p	5−6	14−16
low / 720p	40−45	75−80
medium / 1080p	24−27	55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 126% more, than GeForce GTX 660.
high / 1080p	30−35	75−80
ultra / 1080p	27−30	65−70
QHD / 1440p	10−12	50−55
4K / 2160p	8−9	27−30
low / 720p	65−70	130−140
medium / 1080p	35−40	85−90
The average gaming FPS of Radeon R9 390X in Battlefield 5 is 146% more, than GeForce GTX 660.
low / 768p	50−55	45−50
QHD / 1440p	0−1	45−50
The average gaming FPS of GeForce GTX 660 in Call of Duty: Warzone is 10% more, than Radeon R9 390X.
low / 768p	230−240	250−260
medium / 768p	200−210	230−240
ultra / 1080p	120−130	−
QHD / 1440p	90−95	150−160
4K / 2160p	50−55	100−110
high / 768p	160−170	220−230
The average gaming FPS of Radeon R9 390X in Counter-Strike: Global Offensive is 30% more, than GeForce GTX 660.
low / 768p	60−65	70−75
ultra / 1080p	50−55	−
medium / 1080p	55−60	50−55
The average gaming FPS of Radeon R9 390X in Cyberpunk 2077 is 3% more, than GeForce GTX 660.
low / 768p	120−130	120−130
medium / 768p	100−110	110−120
ultra / 1080p	80−85	110−120
The average gaming FPS of Radeon R9 390X in Dota 2 is 13% more, than GeForce GTX 660.
high / 1080p	24−27	60−65
ultra / 1080p	21−24	60−65
QHD / 1440p	18−20	40−45
4K / 2160p	8−9	21−24
low / 720p	50−55	100−110
medium / 1080p	27−30	65−70
The average gaming FPS of Radeon R9 390X in Far Cry 5 is 130% more, than GeForce GTX 660.
high / 1080p	30−35	90−95
ultra / 1080p	24−27	70−75
QHD / 1440p	16−18	45−50
4K / 2160p	−	21−24
low / 720p	120−130	210−220
medium / 1080p	70−75	140−150
The average gaming FPS of Radeon R9 390X in Fortnite is 111% more, than GeForce GTX 660.
high / 1080p	30−35	80−85
ultra / 1080p	24−27	65−70
QHD / 1440p	14−16	45−50
4K / 2160p	12−14	30−35
low / 720p	65−70	130−140
medium / 1080p	35−40	90−95
The average gaming FPS of Radeon R9 390X in Forza Horizon 4 is 145% more, than GeForce GTX 660.
low / 768p	100−110	160−170
medium / 768p	90−95	150−160
high / 1080p	40−45	95−100
ultra / 1080p	16−18	45−50
QHD / 1440p	7−8	35−40
The average gaming FPS of Radeon R9 390X in Grand Theft Auto V is 92% more, than GeForce GTX 660.
high / 1080p	12−14	35−40
ultra / 1080p	10−11	30−35
QHD / 1440p	10−11	24−27
4K / 2160p	3−4	14−16
low / 720p	40−45	90−95
medium / 1080p	18−20	50−55
The average gaming FPS of Radeon R9 390X in Metro Exodus is 162% more, than GeForce GTX 660.
low / 768p	120−130	120−130
medium / 1080p	110−120	−
GeForce GTX 660 and Radeon R9 390X have the same average FPS in Minecraft.
high / 1080p	−	75−80
ultra / 1080p	14−16	50−55
4K / 2160p	−	18−20
low / 720p	70−75	120−130
medium / 1080p	18−20	85−90
The average gaming FPS of Radeon R9 390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 151% more, than GeForce GTX 660.
high / 1080p	14−16	35−40
ultra / 1080p	10−11	21−24
QHD / 1440p	1−2	16−18
4K / 2160p	1−2	10−11
low / 720p	35−40	90−95
medium / 1080p	21−24	50−55
The average gaming FPS of Radeon R9 390X in Red Dead Redemption 2 is 171% more, than GeForce GTX 660.
low / 768p	70−75	180−190
medium / 768p	45−50	120−130
high / 1080p	24−27	70−75
ultra / 1080p	14−16	35−40
4K / 2160p	8−9	24−27
The average gaming FPS of Radeon R9 390X in The Witcher 3: Wild Hunt is 169% more, than GeForce GTX 660.
low / 768p	90−95	120−130
medium / 768p	60−65	−
ultra / 1080p	40−45	65−70
high / 768p	55−60	120−130
The average gaming FPS of Radeon R9 390X in World of Tanks is 64% more, than GeForce GTX 660.

Full Specs

	GeForce GTX 660	Radeon R9 390X
Architecture	Kepler	GCN
Code name	GK106	Grenada XT
Type	Desktop	Desktop
Release date	6 September 2012	16 June 2015
Pipelines	960	2816
Core clock speed	980 MHz
Boost Clock	1033 MHz	1050 MHz
Transistor count	2,540 million	6,200 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	78.4 billion/sec	184.8
Floating-point performance	1,981 gflops	5,914 gflops
Length	9.5" (24.1 cm)	275 mm
Memory bus width	192-bit GDDR5	512 Bit
Memory clock speed	6.0 GB/s	1050 MHz
Memory bandwidth	144.2 GB/s	384 GB/s
Shared memory		-
DirectX	12 (11_0)
Shader Model	5.1	6.3
OpenGL	4.3	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	+
CUDA	+
FreeSync		+
CUDA cores	960
Bus support	PCI Express 3.0	PCIe 3.0
Height	4.376" (11.1 cm)
SLI options	+
Multi monitor support	4 displays
HDMI	+	+
HDCP	+
Maximum VGA resolution	2048x1536
Audio input for HDMI	Internal
3D Blu-Ray	+
3D Gaming	+
3D Vision	+
Bitcoin / BTC (SHA256)	66 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)		27.5 Mh/s
High bandwidth memory (HBM)		-
	Check Price	Check Price

GeForce GTX 660 vs Radeon R9 390X

Main Specs

Game benchmarks

Full Specs

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