GeForce 8800 GTX vs GeForce GTX 660M

Find out if it is worth upgrading your current GPU setup by comparing GeForce 8800 GTX and GeForce GTX 660M. 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 8800 GTX and GeForce GTX 660M. 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 8800 GTX GeForce GTX 660M
Power consumption (TDP) 155 Watt 50 Watt
Interface PCIe 1.0 x16 MXM-B (3.0)
Supplementary power connectors 2x 6-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 768 MB 2 GB
Display Connectors 2x DVI, 1x S-Video No outputs
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  • GeForce 8800 GTX has 210% more power consumption, than GeForce GTX 660M.
  • GeForce 8800 GTX is connected by PCIe 1.0 x16, and GeForce GTX 660M uses MXM-B (3.0) interface.
  • GeForce 8800 GTX has 766 GB more memory, than GeForce GTX 660M.
  • GeForce 8800 GTX is used in Desktops, and GeForce GTX 660M - in Laptops.
  • GeForce 8800 GTX is build with Tesla architecture, and GeForce GTX 660M - with Kepler.
  • Core clock speed of GeForce GTX 660M is 259 MHz higher, than GeForce 8800 GTX.
  • GeForce 8800 GTX is manufactured by 90 nm process technology, and GeForce GTX 660M - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 660M is 1100 MHz higher, than GeForce 8800 GTX.

Game benchmarks

high / 1080p 0−1 6−7
ultra / 1080p 4−5
QHD / 1440p 0−1 0−1
low / 720p 1−2 16−18
medium / 1080p 0−1 8−9
The average gaming FPS of GeForce GTX 660M in Assassin's Creed Odyssey is 1600% more, than GeForce 8800 GTX.

Full Specs

  GeForce 8800 GTX GeForce GTX 660M
Architecture Tesla Kepler
Code name G80 N13E-GE
Type Desktop Laptop
Release date 8 November 2006 22 March 2012
Pipelines 128 384
Core clock speed 576 MHz 835 MHz
Boost Clock 950 MHz
Transistor count 681 million 1,270 million
Manufacturing process technology 90 nm 28 nm
Texture fill rate 36.8 billion/sec 30.4 billion/sec
Floating-point performance 345.6 gflops 729.6 gflops
Length 270 mm
Memory bus width 384 Bit 128bit
Memory clock speed 900 MHz 2000 MHz
Memory bandwidth 86.4 GB/s 64.0 GB/s
Shared memory -
DirectX 11.1 (10_0) 12 API
Shader Model 4.0 5.1
OpenGL 3.3 4.5
OpenCL 1.1 1.1
Vulkan N/A 1.1.126
CUDA + +
CUDA cores 575 384
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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