GeForce GTX 660 vs Tesla C2070

In this comparison between GeForce GTX 660 and Tesla C2070 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 660 will be the best choice, for others Tesla C2070 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  GeForce GTX 660 Tesla C2070
Power consumption (TDP) 140 Watt 238 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors One 6-pin 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 6 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI
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  • Tesla C2070 has 70% more power consumption, than GeForce GTX 660.
  • GeForce GTX 660 is connected by PCIe 3.0 x16, and Tesla C2070 uses PCIe 2.0 x16 interface.
  • Tesla C2070 has 4 GB more memory, than GeForce GTX 660.
  • Both cards are used in Desktops.
  • GeForce GTX 660 is build with Kepler architecture, and Tesla C2070 - with Fermi.
  • Core clock speed of GeForce GTX 660 is 406 MHz higher, than Tesla C2070.
  • GeForce GTX 660 is manufactured by 28 nm process technology, and Tesla C2070 - by 40 nm process technology.
  • Tesla C2070 is 239 mm longer, than GeForce GTX 660.
  • Memory clock speed of Tesla C2070 is 2982 MHz higher, than GeForce GTX 660.

Game benchmarks

high / 1080p 20−22 16−18
ultra / 1080p 12−14 9−10
QHD / 1440p 6−7 3−4
4K / 2160p 5−6
low / 720p 40−45 30−35
medium / 1080p 24−27 21−24
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 23% more, than Tesla C2070.

Full Specs

  GeForce GTX 660 Tesla C2070
Architecture Kepler Fermi
Code name GK106 GF100
Type Desktop Workstation
Release date 6 September 2012 25 July 2011
Pipelines 960 448
Core clock speed 980 MHz 574 MHz
Boost Clock 1033 MHz
Transistor count 2,540 million 3,100 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 78.4 billion/sec 32.14
Floating-point performance 1,981 gflops 1,030.4 gflops
Length 9.5" (24.1 cm) 248 mm
Memory bus width 192-bit GDDR5 384 Bit
Memory clock speed 6.0 GB/s 2988 MHz
Memory bandwidth 144.2 GB/s 143.4 GB/s
DirectX 12 (11_0) 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.3 4.6
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA + 2.0
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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