GeForce GTX 660 vs Radeon HD 4850 X2

If you are going to buy a new graphics card and are choosing between GeForce GTX 660 and Radeon HD 4850 X2, 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 4850 X2, check out specs charts below.

GeForce GTX 660 Check Price

Radeon HD 4850 X2

Main Specs

	GeForce GTX 660	Radeon HD 4850 X2
Power consumption (TDP)	140 Watt	250 Watt
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Supplementary power connectors	One 6-pin	1x 6-pin + 1x 8-pin
Memory type	GDDR5	GDDR3
Maximum RAM amount	2 GB	512 MB
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	4x DVI, 1x S-Video
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Radeon HD 4850 X2 has 78% more power consumption, than GeForce GTX 660.
GeForce GTX 660 is connected by PCIe 3.0 x16, and Radeon HD 4850 X2 uses PCIe 2.0 x16 interface.
Radeon HD 4850 X2 has 510 GB more memory, than GeForce GTX 660.
Both cards are used in Desktops.
GeForce GTX 660 is build with Kepler architecture, and Radeon HD 4850 X2 - with TeraScale.
Core clock speed of GeForce GTX 660 is 355 MHz higher, than Radeon HD 4850 X2.
GeForce GTX 660 is manufactured by 28 nm process technology, and Radeon HD 4850 X2 - by 55 nm process technology.
Radeon HD 4850 X2 is 258 mm longer, than GeForce GTX 660.
Memory clock speed of Radeon HD 4850 X2 is 1984 MHz higher, than GeForce GTX 660.

Game benchmarks


high / 1080p	20−22	3−4
ultra / 1080p	12−14	2−3
QHD / 1440p	6−7	0−1
4K / 2160p	5−6	−
low / 720p	40−45	14−16
medium / 1080p	24−27	5−6
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 316% more, than Radeon HD 4850 X2.
high / 1080p	30−35	−
ultra / 1080p	27−30	7−8
QHD / 1440p	10−12	0−1
4K / 2160p	8−9	−
low / 720p	65−70	18−20
medium / 1080p	35−40	8−9
The average gaming FPS of GeForce GTX 660 in Battlefield 5 is 300% more, than Radeon HD 4850 X2.
low / 768p	50−55	45−50
high / 1080p	−	30−35
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 4850 X2.
low / 768p	230−240	120−130
medium / 768p	200−210	90−95
ultra / 1080p	120−130	40−45
QHD / 1440p	90−95	24−27
4K / 2160p	50−55	18−20
high / 768p	160−170	65−70
The average gaming FPS of GeForce GTX 660 in Counter-Strike: Global Offensive is 133% more, than Radeon HD 4850 X2.
low / 768p	60−65	80−85
ultra / 1080p	50−55	14−16
medium / 1080p	55−60	40−45
The average gaming FPS of GeForce GTX 660 in Cyberpunk 2077 is 23% more, than Radeon HD 4850 X2.
low / 768p	120−130	75−80
medium / 768p	100−110	50−55
ultra / 1080p	80−85	27−30
The average gaming FPS of GeForce GTX 660 in Dota 2 is 100% more, than Radeon HD 4850 X2.
high / 1080p	24−27	5−6
ultra / 1080p	21−24	−
QHD / 1440p	18−20	−
4K / 2160p	8−9	2−3
low / 720p	50−55	14−16
medium / 1080p	27−30	6−7
The average gaming FPS of GeForce GTX 660 in Far Cry 5 is 300% more, than Radeon HD 4850 X2.
high / 1080p	30−35	12−14
ultra / 1080p	24−27	7−8
QHD / 1440p	16−18	−
low / 720p	120−130	50−55
medium / 1080p	70−75	14−16
The average gaming FPS of GeForce GTX 660 in Fortnite is 186% more, than Radeon HD 4850 X2.
high / 1080p	30−35	7−8
ultra / 1080p	24−27	−
QHD / 1440p	14−16	0−1
4K / 2160p	12−14	−
low / 720p	65−70	20−22
medium / 1080p	35−40	9−10
The average gaming FPS of GeForce GTX 660 in Forza Horizon 4 is 275% more, than Radeon HD 4850 X2.
low / 768p	100−110	45−50
medium / 768p	90−95	−
high / 1080p	40−45	8−9
ultra / 1080p	16−18	5−6
QHD / 1440p	7−8	0−1
medium / 720p	−	40−45
The average gaming FPS of GeForce GTX 660 in Grand Theft Auto V is 170% more, than Radeon HD 4850 X2.
high / 1080p	12−14	3−4
ultra / 1080p	10−11	1−2
QHD / 1440p	10−11	−
4K / 2160p	3−4	0−1
low / 720p	40−45	8−9
medium / 1080p	18−20	4−5
The average gaming FPS of GeForce GTX 660 in Metro Exodus is 425% more, than Radeon HD 4850 X2.
low / 768p	120−130	85−90
high / 1080p	−	85−90
ultra / 1080p	−	80−85
medium / 1080p	110−120	85−90
The average gaming FPS of GeForce GTX 660 in Minecraft is 37% more, than Radeon HD 4850 X2.
ultra / 1080p	14−16	12−14
low / 720p	70−75	27−30
medium / 1080p	18−20	14−16
The average gaming FPS of GeForce GTX 660 in PLAYERUNKNOWN'S BATTLEGROUNDS is 94% more, than Radeon HD 4850 X2.
high / 1080p	14−16	−
ultra / 1080p	10−11	7−8
QHD / 1440p	1−2	0−1
4K / 2160p	1−2	−
low / 720p	35−40	8−9
medium / 1080p	21−24	−
The average gaming FPS of GeForce GTX 660 in Red Dead Redemption 2 is 200% more, than Radeon HD 4850 X2.
low / 768p	70−75	16−18
medium / 768p	45−50	12−14
high / 1080p	24−27	6−7
ultra / 1080p	14−16	5−6
4K / 2160p	8−9	−
The average gaming FPS of GeForce GTX 660 in The Witcher 3: Wild Hunt is 300% more, than Radeon HD 4850 X2.
low / 768p	90−95	70−75
medium / 768p	60−65	35−40
ultra / 1080p	40−45	16−18
high / 768p	55−60	30−35
The average gaming FPS of GeForce GTX 660 in World of Tanks is 61% more, than Radeon HD 4850 X2.

Full Specs

	GeForce GTX 660	Radeon HD 4850 X2
Architecture	Kepler	TeraScale
Code name	GK106	R700
Type	Desktop	Desktop
Release date	6 September 2012	7 November 2008
Pipelines	960	800
Core clock speed	980 MHz	625 MHz
Boost Clock	1033 MHz
Transistor count	2,540 million	956 million
Manufacturing process technology	28 nm	55 nm
Texture fill rate	78.4 billion/sec	25.00
Floating-point performance	1,981 gflops	2x 1,000.0 gflops
Length	9.5" (24.1 cm)	267 mm
Memory bus width	192-bit GDDR5	256 Bit
Memory clock speed	6.0 GB/s	1990 MHz
Memory bandwidth	144.2 GB/s	63.68 GB/s
DirectX	12 (11_0)	10.1 (10_1)
Shader Model	5.1	4.1
OpenGL	4.3	3.3
OpenCL	1.2	1.1
Vulkan	1.1.126	N/A
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
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GeForce GTX 660 vs Radeon HD 4850 X2

Main Specs

Game benchmarks

Full Specs

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