FireStream 9250 vs GeForce GTX 660M

Find out if it is worth upgrading your current GPU setup by comparing FireStream 9250 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 FireStream 9250 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

  FireStream 9250 GeForce GTX 660M
Power consumption (TDP) 150 Watt 50 Watt
Interface PCIe 2.0 x16 MXM-B (3.0)
Supplementary power connectors 1x 6-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 1x DVI No outputs
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  • FireStream 9250 has 200% more power consumption, than GeForce GTX 660M.
  • FireStream 9250 is connected by PCIe 2.0 x16, and GeForce GTX 660M uses MXM-B (3.0) interface.
  • GeForce GTX 660M has 1 GB more memory, than FireStream 9250.
  • FireStream 9250 is used in Desktops, and GeForce GTX 660M - in Laptops.
  • FireStream 9250 is build with TeraScale architecture, and GeForce GTX 660M - with Kepler.
  • Core clock speed of GeForce GTX 660M is 210 MHz higher, than FireStream 9250.
  • FireStream 9250 is manufactured by 55 nm process technology, and GeForce GTX 660M - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 660M is 14 MHz higher, than FireStream 9250.

Game benchmarks

high / 1080p 2−3 6−7
ultra / 1080p 1−2 4−5
QHD / 1440p 0−1 0−1
low / 720p 12−14 16−18
medium / 1080p 5−6 8−9
The average gaming FPS of GeForce GTX 660M in Assassin's Creed Odyssey is 80% more, than FireStream 9250.

Full Specs

  FireStream 9250 GeForce GTX 660M
Architecture TeraScale Kepler
Code name RV770 N13E-GE
Type Desktop Laptop
Release date 16 June 2008 22 March 2012
Pipelines 800 384
Core clock speed 625 MHz 835 MHz
Boost Clock 950 MHz
Transistor count 956 million 1,270 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 25.00 30.4 billion/sec
Floating-point performance 1,000.0 gflops 729.6 gflops
Memory bus width 256 Bit 128bit
Memory clock speed 1986 MHz 2000 MHz
Memory bandwidth 63.55 GB/s 64.0 GB/s
Shared memory -
DirectX 10.1 (10_1) 12 API
Shader Model 4.1 5.1
OpenGL 3.3 4.5
OpenCL 1.1 1.1
Vulkan N/A 1.1.126
CUDA +
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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