GeForce GTX 660M vs Radeon HD 7870 XT

In this comparison between GeForce GTX 660M and Radeon HD 7870 XT you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GTX 660M will be the best choice, for others Radeon HD 7870 XT will be their preference. Study the comparison tables below and make your choice.

GeForce GTX 660M Check Price

Radeon HD 7870 XT

GeForce GTX 660M is a Laptop Graphics Card

Note: GeForce GTX 660M 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 GeForce GTX 660M here:

GeForce GTX 660M Laptops

Main Specs

	GeForce GTX 660M	Radeon HD 7870 XT
Power consumption (TDP)	50 Watt	185 Watt
Interface	MXM-B (3.0)	PCIe 3.0 x16
Supplementary power connectors		2x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB	2 GB
Display Connectors	No outputs	1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7870 XT has 270% more power consumption, than GeForce GTX 660M.
GeForce GTX 660M is connected by MXM-B (3.0), and Radeon HD 7870 XT uses PCIe 3.0 x16 interface.
GeForce GTX 660M and Radeon HD 7870 XT have maximum RAM of 2 GB.
GeForce GTX 660M is used in Laptops, and Radeon HD 7870 XT - in Desktops.
GeForce GTX 660M is build with Kepler architecture, and Radeon HD 7870 XT - with GCN 1.0.
Core clock speed of Radeon HD 7870 XT is 90 MHz higher, than GeForce GTX 660M.
GeForce GTX 660M and Radeon HD 7870 XT are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7870 XT is 4000 MHz higher, than GeForce GTX 660M.

Game benchmarks


high / 1080p	6−7	35−40
ultra / 1080p	4−5	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	16−18	60−65
medium / 1080p	8−9	40−45
The average gaming FPS of Radeon HD 7870 XT in Assassin's Creed Odyssey is 355% more, than GeForce GTX 660M.
high / 1080p	12−14	55−60
ultra / 1080p	10−11	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	24−27	100−110
medium / 1080p	12−14	60−65
The average gaming FPS of Radeon HD 7870 XT in Battlefield 5 is 353% more, than GeForce GTX 660M.
low / 768p	45−50	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 7870 XT in Call of Duty: Warzone is 10% more, than GeForce GTX 660M.
low / 768p	130−140	250−260
medium / 768p	110−120	220−230
ultra / 1080p	50−55	180−190
QHD / 1440p	27−30	110−120
4K / 2160p	27−30	70−75
high / 768p	80−85	210−220
The average gaming FPS of Radeon HD 7870 XT in Counter-Strike: Global Offensive is 142% more, than GeForce GTX 660M.
low / 768p	55−60	60−65
ultra / 1080p	18−20	−
medium / 1080p	45−50	55−60
The average gaming FPS of Radeon HD 7870 XT in Cyberpunk 2077 is 15% more, than GeForce GTX 660M.
low / 768p	80−85	120−130
medium / 768p	55−60	110−120
ultra / 1080p	30−35	100−110
The average gaming FPS of Radeon HD 7870 XT in Dota 2 is 101% more, than GeForce GTX 660M.
high / 1080p	8−9	45−50
ultra / 1080p	7−8	40−45
QHD / 1440p	−	27−30
4K / 2160p	3−4	14−16
low / 720p	18−20	80−85
medium / 1080p	8−9	45−50
The average gaming FPS of Radeon HD 7870 XT in Far Cry 5 is 422% more, than GeForce GTX 660M.
high / 1080p	14−16	60−65
ultra / 1080p	10−11	45−50
QHD / 1440p	−	27−30
4K / 2160p	−	27−30
low / 720p	60−65	180−190
medium / 1080p	21−24	110−120
The average gaming FPS of Radeon HD 7870 XT in Fortnite is 277% more, than GeForce GTX 660M.
high / 1080p	12−14	60−65
ultra / 1080p	10−12	45−50
QHD / 1440p	1−2	30−35
4K / 2160p	−	24−27
low / 720p	24−27	100−110
medium / 1080p	14−16	65−70
The average gaming FPS of Radeon HD 7870 XT in Forza Horizon 4 is 384% more, than GeForce GTX 660M.
low / 768p	50−55	140−150
medium / 768p	45−50	120−130
high / 1080p	12−14	70−75
ultra / 1080p	6−7	30−35
QHD / 1440p	0−1	21−24
The average gaming FPS of Radeon HD 7870 XT in Grand Theft Auto V is 220% more, than GeForce GTX 660M.
high / 1080p	4−5	24−27
ultra / 1080p	3−4	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	12−14	65−70
medium / 1080p	6−7	30−35
The average gaming FPS of Radeon HD 7870 XT in Metro Exodus is 500% more, than GeForce GTX 660M.
low / 768p	95−100	130−140
high / 1080p	90−95	−
ultra / 1080p	80−85	−
medium / 1080p	90−95	120−130
The average gaming FPS of Radeon HD 7870 XT in Minecraft is 36% more, than GeForce GTX 660M.
high / 1080p	16−18	−
ultra / 1080p	14−16	14−16
low / 720p	30−35	100−110
medium / 1080p	18−20	18−20
The average gaming FPS of Radeon HD 7870 XT in PLAYERUNKNOWN'S BATTLEGROUNDS is 109% more, than GeForce GTX 660M.
high / 1080p	−	24−27
ultra / 1080p	7−8	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	12−14	65−70
medium / 1080p	10−12	35−40
The average gaming FPS of Radeon HD 7870 XT in Red Dead Redemption 2 is 300% more, than GeForce GTX 660M.
low / 768p	24−27	130−140
medium / 768p	16−18	85−90
high / 1080p	9−10	45−50
ultra / 1080p	6−7	24−27
4K / 2160p	6−7	16−18
The average gaming FPS of Radeon HD 7870 XT in The Witcher 3: Wild Hunt is 376% more, than GeForce GTX 660M.
low / 768p	85−90	90−95
medium / 768p	45−50	60−65
ultra / 1080p	18−20	50−55
high / 768p	35−40	60−65
The average gaming FPS of Radeon HD 7870 XT in World of Tanks is 42% more, than GeForce GTX 660M.

Full Specs

	GeForce GTX 660M	Radeon HD 7870 XT
Architecture	Kepler	GCN 1.0
Code name	N13E-GE	Tahiti
Type	Laptop	Desktop
Release date	22 March 2012	19 November 2012
Pipelines	384	1536
Core clock speed	835 MHz	925 MHz
Boost Clock	950 MHz	975 MHz
Transistor count	1,270 million	4,313 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	30.4 billion/sec	93.60
Floating-point performance	729.6 gflops	2,995 gflops
Length		267 mm
Memory bus width	128bit	256 Bit
Memory clock speed	2000 MHz	6000 MHz
Memory bandwidth	64.0 GB/s	192.0 GB/s
Shared memory	-
DirectX	12 API	12 (11_1)
Shader Model	5.1	5.1
OpenGL	4.5	4.6
OpenCL	1.1	1.2
Vulkan	1.1.126	1.2.131
CUDA	+
CUDA cores	384
Bus support	PCI Express 2.0, PCI Express 3.0
SLI options	+
HDMI	+
HDCP	+
Maximum VGA resolution	Up to 2048x1536
Bitcoin / BTC (SHA256)	36 Mh/s	346 Mh/s
Laptop size	large
Optimus	+
Ethereum / ETH (DaggerHashimoto)		14.5 Mh/s
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GeForce GTX 660M vs Radeon HD 7870 XT

GeForce GTX 660M is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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