GeForce GTX 660M vs Tesla C2070

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and Tesla C2070. 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 660M and Tesla C2070. 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 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:

Main Specs

  GeForce GTX 660M Tesla C2070
Power consumption (TDP) 50 Watt 238 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 6 GB
Display Connectors No outputs 1x DVI
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  • Tesla C2070 has 376% more power consumption, than GeForce GTX 660M.
  • GeForce GTX 660M is connected by MXM-B (3.0), and Tesla C2070 uses PCIe 2.0 x16 interface.
  • Tesla C2070 has 4 GB more memory, than GeForce GTX 660M.
  • GeForce GTX 660M is used in Laptops, and Tesla C2070 - in Desktops.
  • GeForce GTX 660M is build with Kepler architecture, and Tesla C2070 - with Fermi.
  • Core clock speed of GeForce GTX 660M is 261 MHz higher, than Tesla C2070.
  • GeForce GTX 660M is manufactured by 28 nm process technology, and Tesla C2070 - by 40 nm process technology.
  • Memory clock speed of Tesla C2070 is 988 MHz higher, than GeForce GTX 660M.

Game benchmarks

high / 1080p 6−7 16−18
ultra / 1080p 4−5 9−10
QHD / 1440p 0−1 3−4
low / 720p 16−18 30−35
medium / 1080p 8−9 21−24
The average gaming FPS of Tesla C2070 in Assassin's Creed Odyssey is 122% more, than GeForce GTX 660M.

Full Specs

  GeForce GTX 660M Tesla C2070
Architecture Kepler Fermi
Code name N13E-GE GF100
Type Laptop Workstation
Release date 22 March 2012 25 July 2011
Pipelines 384 448
Core clock speed 835 MHz 574 MHz
Boost Clock 950 MHz
Transistor count 1,270 million 3,100 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 30.4 billion/sec 32.14
Floating-point performance 729.6 gflops 1,030.4 gflops
Length 248 mm
Memory bus width 128bit 384 Bit
Memory clock speed 2000 MHz 2988 MHz
Memory bandwidth 64.0 GB/s 143.4 GB/s
Shared memory -
DirectX 12 API 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.1
Vulkan 1.1.126 N/A
CUDA + 2.0
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
Laptop size large
Optimus +
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