GeForce GTX 660 vs Radeon HD 7770M

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and Radeon HD 7770M. 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 HD 7770M. 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 HD 7770M Check Price

Radeon HD 7770M is a Laptop Graphics Card

Note: Radeon HD 7770M 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 7770M here:

Radeon HD 7770M Laptops

Main Specs

	GeForce GTX 660	Radeon HD 7770M
Power consumption (TDP)	140 Watt	32 Watt
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Supplementary power connectors	One 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB	1 GB
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	No outputs
	Check Price	Check Price

GeForce GTX 660 has 337% more power consumption, than Radeon HD 7770M.
GeForce GTX 660 is connected by PCIe 3.0 x16, and Radeon HD 7770M uses PCIe 2.0 x16 interface.
GeForce GTX 660 has 1 GB more memory, than Radeon HD 7770M.
GeForce GTX 660 is used in Desktops, and Radeon HD 7770M - in Laptops.
GeForce GTX 660 is build with Kepler architecture, and Radeon HD 7770M - with GCN.
Core clock speed of GeForce GTX 660 is 305 MHz higher, than Radeon HD 7770M.
GeForce GTX 660 and Radeon HD 7770M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7770M is 3994 MHz higher, than GeForce GTX 660.

Game benchmarks


high / 1080p	20−22	9−10
ultra / 1080p	12−14	5−6
QHD / 1440p	6−7	0−1
4K / 2160p	5−6	−
low / 720p	40−45	21−24
medium / 1080p	24−27	10−12
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 108% more, than Radeon HD 7770M.
high / 1080p	30−35	14−16
ultra / 1080p	27−30	12−14
QHD / 1440p	10−12	0−1
4K / 2160p	8−9	−
low / 720p	65−70	30−35
medium / 1080p	35−40	16−18
The average gaming FPS of GeForce GTX 660 in Battlefield 5 is 115% more, than Radeon HD 7770M.
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 7770M.
low / 768p	230−240	160−170
medium / 768p	200−210	130−140
ultra / 1080p	120−130	65−70
QHD / 1440p	90−95	35−40
4K / 2160p	50−55	27−30
high / 768p	160−170	100−110
The average gaming FPS of GeForce GTX 660 in Counter-Strike: Global Offensive is 62% more, than Radeon HD 7770M.
low / 768p	60−65	55−60
ultra / 1080p	50−55	24−27
medium / 1080p	55−60	45−50
The average gaming FPS of GeForce GTX 660 in Cyberpunk 2077 is 32% more, than Radeon HD 7770M.
low / 768p	120−130	90−95
medium / 768p	100−110	70−75
ultra / 1080p	80−85	40−45
The average gaming FPS of GeForce GTX 660 in Dota 2 is 50% more, than Radeon HD 7770M.
high / 1080p	24−27	10−12
ultra / 1080p	21−24	10−11
QHD / 1440p	18−20	−
4K / 2160p	8−9	4−5
low / 720p	50−55	24−27
medium / 1080p	27−30	12−14
The average gaming FPS of GeForce GTX 660 in Far Cry 5 is 125% more, than Radeon HD 7770M.
high / 1080p	30−35	18−20
ultra / 1080p	24−27	12−14
QHD / 1440p	16−18	−
low / 720p	120−130	70−75
medium / 1080p	70−75	30−35
The average gaming FPS of GeForce GTX 660 in Fortnite is 85% more, than Radeon HD 7770M.
high / 1080p	30−35	16−18
ultra / 1080p	24−27	14−16
QHD / 1440p	14−16	3−4
4K / 2160p	12−14	−
low / 720p	65−70	30−35
medium / 1080p	35−40	18−20
The average gaming FPS of GeForce GTX 660 in Forza Horizon 4 is 105% more, than Radeon HD 7770M.
low / 768p	100−110	60−65
medium / 768p	90−95	55−60
high / 1080p	40−45	18−20
ultra / 1080p	16−18	8−9
QHD / 1440p	7−8	0−1
The average gaming FPS of GeForce GTX 660 in Grand Theft Auto V is 77% more, than Radeon HD 7770M.
high / 1080p	12−14	6−7
ultra / 1080p	10−11	4−5
QHD / 1440p	10−11	−
4K / 2160p	3−4	1−2
low / 720p	40−45	18−20
medium / 1080p	18−20	8−9
The average gaming FPS of GeForce GTX 660 in Metro Exodus is 112% more, than Radeon HD 7770M.
low / 768p	120−130	100−110
high / 1080p	−	95−100
ultra / 1080p	−	85−90
medium / 1080p	110−120	95−100
The average gaming FPS of GeForce GTX 660 in Minecraft is 18% more, than Radeon HD 7770M.
high / 1080p	−	18−20
ultra / 1080p	14−16	14−16
low / 720p	70−75	40−45
medium / 1080p	18−20	18−20
The average gaming FPS of GeForce GTX 660 in PLAYERUNKNOWN'S BATTLEGROUNDS is 40% more, than Radeon HD 7770M.
high / 1080p	14−16	12−14
ultra / 1080p	10−11	8−9
QHD / 1440p	1−2	0−1
4K / 2160p	1−2	−
low / 720p	35−40	16−18
medium / 1080p	21−24	12−14
The average gaming FPS of GeForce GTX 660 in Red Dead Redemption 2 is 75% more, than Radeon HD 7770M.
low / 768p	70−75	30−35
medium / 768p	45−50	21−24
high / 1080p	24−27	12−14
ultra / 1080p	14−16	7−8
4K / 2160p	8−9	7−8
The average gaming FPS of GeForce GTX 660 in The Witcher 3: Wild Hunt is 106% more, than Radeon HD 7770M.
low / 768p	90−95	90−95
medium / 768p	60−65	50−55
ultra / 1080p	40−45	24−27
high / 768p	55−60	40−45
The average gaming FPS of GeForce GTX 660 in World of Tanks is 18% more, than Radeon HD 7770M.

Full Specs

	GeForce GTX 660	Radeon HD 7770M
Architecture	Kepler	GCN
Code name	GK106	Chelsea XT
Type	Desktop	Laptop
Release date	6 September 2012	24 April 2012
Pipelines	960	512
Core clock speed	980 MHz	675 MHz
Boost Clock	1033 MHz
Transistor count	2,540 million	1,500 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	78.4 billion/sec	21.60
Floating-point performance	1,981 gflops	691.2 gflops
Length	9.5" (24.1 cm)
Memory bus width	192-bit GDDR5	128 Bit
Memory clock speed	6.0 GB/s	4000 MHz
Memory bandwidth	144.2 GB/s	64 GB/s
Shared memory		-
DirectX	12 (11_0)	12 (11_1)
Shader Model	5.1	5.1
OpenGL	4.3	4.6
OpenCL	1.2	1.2
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
Laptop size		medium sized
	Check Price	Check Price

GeForce GTX 660 vs Radeon HD 7770M

Radeon HD 7770M is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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