GeForce GTX 660 vs Radeon HD 7790

If you are going to buy a new graphics card and are choosing between GeForce GTX 660 and Radeon HD 7790, 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 GeForce GTX 660 stacks up against Radeon HD 7790, check out specs charts below.

GeForce GTX 660 Check Price

Radeon HD 7790 Check Price

Main Specs

	GeForce GTX 660	Radeon HD 7790
Power consumption (TDP)	140 Watt	85 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	One 6-pin	1x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB	1 GB
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 1x HDMI, 2x mini-DisplayPort
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GeForce GTX 660 has 64% more power consumption, than Radeon HD 7790.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GTX 660 has 1 GB more memory, than Radeon HD 7790.
Both cards are used in Desktops.
GeForce GTX 660 is build with Kepler architecture, and Radeon HD 7790 - with GCN 2.0.
Core clock speed of Radeon HD 7790 is 20 MHz higher, than GeForce GTX 660.
GeForce GTX 660 and Radeon HD 7790 are manufactured by 28 nm process technology.
Radeon HD 7790 is 174 mm longer, than GeForce GTX 660.
Memory clock speed of Radeon HD 7790 is 5994 MHz higher, than GeForce GTX 660.

Game benchmarks


high / 1080p	20−22	16−18
ultra / 1080p	12−14	9−10
QHD / 1440p	6−7	4−5
4K / 2160p	5−6	4−5
low / 720p	40−45	30−35
medium / 1080p	24−27	20−22
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 35% more, than Radeon HD 7790.
high / 1080p	30−35	24−27
ultra / 1080p	27−30	21−24
QHD / 1440p	10−12	8−9
4K / 2160p	8−9	6−7
low / 720p	65−70	50−55
medium / 1080p	35−40	27−30
The average gaming FPS of GeForce GTX 660 in Battlefield 5 is 25% more, than Radeon HD 7790.
low / 768p	50−55	45−50
QHD / 1440p	0−1	0−1
The average gaming FPS of GeForce GTX 660 in Call of Duty: Warzone is 10% more, than Radeon HD 7790.
low / 768p	230−240	210−220
medium / 768p	200−210	180−190
ultra / 1080p	120−130	100−110
QHD / 1440p	90−95	55−60
4K / 2160p	50−55	30−35
high / 768p	160−170	140−150
The average gaming FPS of GeForce GTX 660 in Counter-Strike: Global Offensive is 17% more, than Radeon HD 7790.
low / 768p	60−65	55−60
ultra / 1080p	50−55	40−45
medium / 1080p	55−60	45−50
The average gaming FPS of GeForce GTX 660 in Cyberpunk 2077 is 16% more, than Radeon HD 7790.
low / 768p	120−130	110−120
medium / 768p	100−110	95−100
ultra / 1080p	80−85	65−70
The average gaming FPS of GeForce GTX 660 in Dota 2 is 11% more, than Radeon HD 7790.
high / 1080p	24−27	18−20
ultra / 1080p	21−24	16−18
QHD / 1440p	18−20	16−18
4K / 2160p	8−9	6−7
low / 720p	50−55	40−45
medium / 1080p	27−30	20−22
The average gaming FPS of GeForce GTX 660 in Far Cry 5 is 30% more, than Radeon HD 7790.
high / 1080p	30−35	24−27
ultra / 1080p	24−27	20−22
QHD / 1440p	16−18	16−18
low / 720p	120−130	100−110
medium / 1080p	70−75	55−60
The average gaming FPS of GeForce GTX 660 in Fortnite is 20% more, than Radeon HD 7790.
high / 1080p	30−35	27−30
ultra / 1080p	24−27	21−24
QHD / 1440p	14−16	10−11
4K / 2160p	12−14	10−11
low / 720p	65−70	55−60
medium / 1080p	35−40	30−33
The average gaming FPS of GeForce GTX 660 in Forza Horizon 4 is 19% more, than Radeon HD 7790.
low / 768p	100−110	85−90
medium / 768p	90−95	75−80
high / 1080p	40−45	30−35
ultra / 1080p	16−18	12−14
QHD / 1440p	7−8	3−4
The average gaming FPS of GeForce GTX 660 in Grand Theft Auto V is 23% more, than Radeon HD 7790.
high / 1080p	12−14	10−11
ultra / 1080p	10−11	8−9
QHD / 1440p	10−11	−
4K / 2160p	3−4	3−4
low / 720p	40−45	30−35
medium / 1080p	18−20	12−14
The average gaming FPS of GeForce GTX 660 in Metro Exodus is 30% more, than Radeon HD 7790.
low / 768p	120−130	110−120
medium / 1080p	110−120	100−110
The average gaming FPS of GeForce GTX 660 in Minecraft is 9% more, than Radeon HD 7790.
high / 1080p	−	21−24
ultra / 1080p	14−16	18−20
low / 720p	70−75	55−60
medium / 1080p	18−20	24−27
The average gaming FPS of GeForce GTX 660 in PLAYERUNKNOWN'S BATTLEGROUNDS is 2% more, than Radeon HD 7790.
high / 1080p	14−16	14−16
ultra / 1080p	10−11	10−11
QHD / 1440p	1−2	0−1
4K / 2160p	1−2	−
low / 720p	35−40	30−33
medium / 1080p	21−24	16−18
The average gaming FPS of GeForce GTX 660 in Red Dead Redemption 2 is 16% more, than Radeon HD 7790.
low / 768p	70−75	55−60
medium / 768p	45−50	35−40
high / 1080p	24−27	20−22
ultra / 1080p	14−16	10−12
4K / 2160p	8−9	8−9
The average gaming FPS of GeForce GTX 660 in The Witcher 3: Wild Hunt is 22% more, than Radeon HD 7790.
low / 768p	90−95	100−110
medium / 768p	60−65	60−65
ultra / 1080p	40−45	35−40
high / 768p	55−60	55−60
The average gaming FPS of Radeon HD 7790 in World of Tanks is 3% more, than GeForce GTX 660.

Full Specs

	GeForce GTX 660	Radeon HD 7790
Architecture	Kepler	GCN 2.0
Code name	GK106	Bonaire
Type	Desktop	Desktop
Release date	6 September 2012	22 March 2013
Pipelines	960	896
Core clock speed	980 MHz	1000 MHz
Boost Clock	1033 MHz
Transistor count	2,540 million	2,080 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	78.4 billion/sec	56.00
Floating-point performance	1,981 gflops	1,792 gflops
Length	9.5" (24.1 cm)	183 mm
Memory bus width	192-bit GDDR5	128 Bit
Memory clock speed	6.0 GB/s	6000 MHz
Memory bandwidth	144.2 GB/s	96 GB/s
DirectX	12 (11_0)	12 (12_0)
Shader Model	5.1	6.3
OpenGL	4.3	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	1.2.131
CUDA	+
CUDA cores	960
Bus support	PCI Express 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	218 Mh/s
Ethereum / ETH (DaggerHashimoto)		5.2 Mh/s
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GeForce GTX 660 vs Radeon HD 7790

Main Specs

Game benchmarks

Full Specs

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