GeForce GTX 660M vs Mobility Radeon HD 5850

When comparing GeForce GTX 660M and Mobility Radeon HD 5850, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GTX 660M and Mobility Radeon HD 5850 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

GeForce GTX 660M and Mobility Radeon HD 5850 are Laptop Graphics Cards

Note: GeForce GTX 660M and Mobility Radeon HD 5850 are only used in laptop graphics. They have 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 or Mobility Radeon HD 5850 here:

Main Specs

  GeForce GTX 660M Mobility Radeon HD 5850
Power consumption (TDP) 50 Watt 30 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Memory type GDDR5 DDR3, GDDR3, GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 660M has 66% more power consumption, than Mobility Radeon HD 5850.
  • GeForce GTX 660M is connected by MXM-B (3.0), and Mobility Radeon HD 5850 uses PCIe 2.0 x16 interface.
  • GeForce GTX 660M has 1 GB more memory, than Mobility Radeon HD 5850.
  • Both cards are used in Laptops.
  • GeForce GTX 660M is build with Kepler architecture, and Mobility Radeon HD 5850 - with Terascale 2.
  • Core clock speed of GeForce GTX 660M is 210 MHz higher, than Mobility Radeon HD 5850.
  • GeForce GTX 660M is manufactured by 28 nm process technology, and Mobility Radeon HD 5850 - by 40 nm process technology.
  • Memory clock speed of GeForce GTX 660M and Mobility Radeon HD 5850 is 2000 MHz.

Game benchmarks

high / 1080p 6−7 5−6
ultra / 1080p 4−5 3−4
QHD / 1440p 0−1 0−1
low / 720p 16−18 14−16
medium / 1080p 8−9 7−8
The average gaming FPS of GeForce GTX 660M in Assassin's Creed Odyssey is 28% more, than Mobility Radeon HD 5850.

Full Specs

  GeForce GTX 660M Mobility Radeon HD 5850
Architecture Kepler Terascale 2
Code name N13E-GE Broadway-PRO
Type Laptop Laptop
Release date 22 March 2012 7 January 2010
Pipelines 384 800
Core clock speed 835 MHz 625 MHz
Boost Clock 950 MHz
Transistor count 1,270 million 1,040 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 30.4 billion/sec 20.00
Floating-point performance 729.6 gflops 800.0 gflops
Memory bus width 128bit 128 Bit
Memory clock speed 2000 MHz 2000 MHz
Memory bandwidth 64.0 GB/s 64 GB/s
Shared memory - -
DirectX 12 API 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.5 4.4
OpenCL 1.1 1.2
Vulkan 1.1.126 N/A
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 large
Optimus +
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