NVIDIA GeForce GTX 660 OEM: specs and benchmarks



NVIDIA started GeForce GTX 660 OEM sales 22 August 2012. This is Kepler architecture desktop card based on 28 nm manufacturing process and primarily aimed at gamers. 2 GB of GDDR5 memory clocked at 5.6 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 179.2 GB/s.

Compatibility-wise, this is 2-slot card attached via PCIe 3.0 x16 interface. Its manufacturer default version has a length of 241 mm. 1x 6-pin power connector is required, and power consumption is at 130 Watt.

It provides poor gaming and benchmark performance at 22.91 percent of a leader's which is AMD Radeon R9 390 X2.

General info

Of GeForce GTX 660 OEM's architecture, market type and release date.
Place in performance rating
Code name
Release date
22 August 2012

Technical specs

GeForce GTX 660 OEM's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GTX 660 OEM's performance, but for precise assessment you have to consider its benchmark and gaming test results.
of 8192 (FirePro S9300 X2)
Core clock speed
823 MHz
Boost Clock
888 MHz
Transistor count
3,540 million
of 21100
Manufacturing process technology
28 nm
of 12
Power consumption (TDP)
130 Watt
of 900 (Tesla S2050)
Texture fill rate
of 20896 (Tesla M10)
Floating-point performance
2,046 gflops

Compatibility, dimensions and requirements

Information on GeForce GTX 660 OEM's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
PCIe 3.0 x16
241 mm
Supplementary power connectors
1x 6-pin

Memory specs

Parameters of memory installed on GeForce GTX 660 OEM: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
Maximum RAM amount
2 GB
of 32 (Tesla M10)
Memory bus width
256 Bit
of 8192 (FirePro S9300 X2)
Memory clock speed
5600 MHz
Memory bandwidth
179.2 GB/s
of 11404 (GRID K1)

Video outputs and ports

Types and number of video connectors present on GeForce GTX 660 OEM.
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort


Technological solutions and APIs supported by GeForce GTX 660 OEM. You'll probably need this information if you need some particular technology for your purposes.

Video card benchmarks performance

Non-gaming benchmarks performance of GeForce GTX 660 OEM. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
3DMark Ice Storm GPU
3DMark Fire Strike Graphics
3DMark 11 Performance GPU
3DMark Vantage Performance
Unigine Heaven 3.0

Mining hashrate

Cryptocurrency mining performance of GeForce GTX 660 OEM. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
65 Mh/s

Game benchmarks (in FPS)

Let's see how good GeForce GTX 660 OEM is for gaming. Particular gaming benchmark results are measured in FPS, while overall gaming performance is a number in 0-100 range, and the older the game, the less impact it has on the overall grade.
Overall gaming performance

Relative perfomance

Overall GeForce GTX 660 OEM performance compared to its nearest competitors. All GPU types participate.

AMD equivalent

We believe that the nearest equivalent to GeForce GTX 660 OEM from AMD is Radeon HD 6970, which is faster by 3%. and higher by positions 2

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Compare GeForce GTX 660 OEM with others

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Advices and comments

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