GeForce GTX 660 vs Radeon HD 6870

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and Radeon HD 6870. 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 6870. 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 6870 Check Price

Main Specs

	GeForce GTX 660	Radeon HD 6870
Power consumption (TDP)	140 Watt	151 Watt
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Supplementary power connectors	One 6-pin	2x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	2 GB	1 GB
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x HDMI, 2x mini-DisplayPort
	Check Price	Check Price

Radeon HD 6870 has 7% more power consumption, than GeForce GTX 660.
GeForce GTX 660 is connected by PCIe 3.0 x16, and Radeon HD 6870 uses PCIe 2.0 x16 interface.
GeForce GTX 660 has 1 GB more memory, than Radeon HD 6870.
Both cards are used in Desktops.
GeForce GTX 660 is build with Kepler architecture, and Radeon HD 6870 - with Terascale 2.
GeForce GTX 660 is manufactured by 28 nm process technology, and Radeon HD 6870 - by 40 nm process technology.
Radeon HD 6870 is 211 mm longer, than GeForce GTX 660.
Memory clock speed of Radeon HD 6870 is 1044 MHz higher, than GeForce GTX 660.

Game benchmarks


high / 1080p	20−22	10−12
ultra / 1080p	12−14	6−7
QHD / 1440p	6−7	1−2
4K / 2160p	5−6	−
low / 720p	40−45	24−27
medium / 1080p	24−27	12−14
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 90% more, than Radeon HD 6870.
high / 1080p	30−35	18−20
ultra / 1080p	27−30	14−16
QHD / 1440p	10−12	1−2
4K / 2160p	8−9	−
low / 720p	65−70	35−40
medium / 1080p	35−40	20−22
The average gaming FPS of GeForce GTX 660 in Battlefield 5 is 94% more, than Radeon HD 6870.
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 6870.
low / 768p	230−240	180−190
medium / 768p	200−210	140−150
ultra / 1080p	120−130	75−80
QHD / 1440p	90−95	40−45
4K / 2160p	50−55	30−33
high / 768p	160−170	110−120
The average gaming FPS of GeForce GTX 660 in Counter-Strike: Global Offensive is 46% more, than Radeon HD 6870.
low / 768p	60−65	55−60
ultra / 1080p	50−55	30−33
medium / 1080p	55−60	45−50
The average gaming FPS of GeForce GTX 660 in Cyberpunk 2077 is 26% more, than Radeon HD 6870.
low / 768p	120−130	95−100
medium / 768p	100−110	75−80
ultra / 1080p	80−85	50−55
The average gaming FPS of GeForce GTX 660 in Dota 2 is 38% more, than Radeon HD 6870.
high / 1080p	24−27	12−14
ultra / 1080p	21−24	12−14
QHD / 1440p	18−20	−
4K / 2160p	8−9	5−6
low / 720p	50−55	27−30
medium / 1080p	27−30	14−16
The average gaming FPS of GeForce GTX 660 in Far Cry 5 is 80% more, than Radeon HD 6870.
high / 1080p	30−35	20−22
ultra / 1080p	24−27	14−16
QHD / 1440p	16−18	−
low / 720p	120−130	80−85
medium / 1080p	70−75	35−40
The average gaming FPS of GeForce GTX 660 in Fortnite is 61% more, than Radeon HD 6870.
high / 1080p	30−35	18−20
ultra / 1080p	24−27	14−16
QHD / 1440p	14−16	5−6
4K / 2160p	12−14	−
low / 720p	65−70	40−45
medium / 1080p	35−40	21−24
The average gaming FPS of GeForce GTX 660 in Forza Horizon 4 is 75% more, than Radeon HD 6870.
low / 768p	100−110	70−75
medium / 768p	90−95	60−65
high / 1080p	40−45	21−24
ultra / 1080p	16−18	9−10
QHD / 1440p	7−8	0−1
The average gaming FPS of GeForce GTX 660 in Grand Theft Auto V is 56% more, than Radeon HD 6870.
high / 1080p	12−14	7−8
ultra / 1080p	10−11	5−6
QHD / 1440p	10−11	−
4K / 2160p	3−4	1−2
low / 720p	40−45	21−24
medium / 1080p	18−20	9−10
The average gaming FPS of GeForce GTX 660 in Metro Exodus is 88% more, than Radeon HD 6870.
low / 768p	120−130	100−110
ultra / 1080p	−	90−95
medium / 1080p	110−120	100−105
The average gaming FPS of GeForce GTX 660 in Minecraft is 16% more, than Radeon HD 6870.
high / 1080p	−	18−20
ultra / 1080p	14−16	16−18
low / 720p	70−75	45−50
medium / 1080p	18−20	21−24
The average gaming FPS of GeForce GTX 660 in PLAYERUNKNOWN'S BATTLEGROUNDS is 20% more, than Radeon HD 6870.
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	20−22
medium / 1080p	21−24	12−14
The average gaming FPS of GeForce GTX 660 in Red Dead Redemption 2 is 61% more, than Radeon HD 6870.
low / 768p	70−75	40−45
medium / 768p	45−50	24−27
high / 1080p	24−27	14−16
ultra / 1080p	14−16	8−9
4K / 2160p	8−9	7−8
The average gaming FPS of GeForce GTX 660 in The Witcher 3: Wild Hunt is 73% more, than Radeon HD 6870.
low / 768p	90−95	95−100
medium / 768p	60−65	55−60
ultra / 1080p	40−45	27−30
high / 768p	55−60	45−50
The average gaming FPS of GeForce GTX 660 in World of Tanks is 10% more, than Radeon HD 6870.

Full Specs

	GeForce GTX 660	Radeon HD 6870
Architecture	Kepler	Terascale 2
Code name	GK106	RV940 Barts
Type	Desktop	Desktop
Release date	6 September 2012	22 October 2010
Pipelines	960	1120
Core clock speed	980 MHz
Boost Clock	1033 MHz	900 MHz
Transistor count	2,540 million	1,700 million
Manufacturing process technology	28 nm	40 nm
Texture fill rate	78.4 billion/sec	50.40
Floating-point performance	1,981 gflops	2,016.0 gflops
Length	9.5" (24.1 cm)	220 mm
Memory bus width	192-bit GDDR5	256 Bit
Memory clock speed	6.0 GB/s	1050 MHz
Memory bandwidth	144.2 GB/s	134.4 GB/s
Shared memory		-
DirectX	12 (11_0)
Shader Model	5.1	5.0
OpenGL	4.3	4.4
OpenCL	1.2	1.2
Vulkan	1.1.126
CUDA	+
CUDA cores	960
Bus support	PCI Express 3.0	PCIe 2.0 x16
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	213 Mh/s
Eyefinity		+
Design		reference
CrossFire		+
	Check Price	Check Price

GeForce GTX 660 vs Radeon HD 6870

Main Specs

Game benchmarks

Full Specs

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