GeForce GTX 660 vs Radeon HD 8550G plus HD 8750M Dual Graphics

When choosing between GeForce GTX 660 and Radeon HD 8550G plus HD 8750M Dual Graphics, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 660 and Radeon HD 8550G plus HD 8750M Dual Graphics.

Radeon HD 8550G plus HD 8750M Dual Graphics is a Laptop Graphics Card

Note: Radeon HD 8550G plus HD 8750M Dual Graphics 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 Radeon HD 8550G plus HD 8750M Dual Graphics here:

Main Specs

  GeForce GTX 660 Radeon HD 8550G plus HD 8750M Dual Graphics
Power consumption (TDP) 140 Watt
Interface PCIe 3.0 x16
Supplementary power connectors One 6-pin
Memory type GDDR5 DDR3
Maximum RAM amount 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GTX 660 is used in Desktops, and Radeon HD 8550G plus HD 8750M Dual Graphics - in Laptops.
  • Core clock speed of GeForce GTX 660 is 260 MHz higher, than Radeon HD 8550G plus HD 8750M Dual Graphics.
  • GeForce GTX 660 is manufactured by 28 nm process technology, and Radeon HD 8550G plus HD 8750M Dual Graphics - by 32 / 28 nm process technology.
  • Memory clock speed of Radeon HD 8550G plus HD 8750M Dual Graphics is 1794 MHz higher, than GeForce GTX 660.

Game benchmarks

high / 1080p 20−22 1−2
ultra / 1080p 12−14 0−1
QHD / 1440p 6−7 0−1
4K / 2160p 5−6
low / 720p 40−45 12−14
medium / 1080p 24−27 3−4
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 383% more, than Radeon HD 8550G plus HD 8750M Dual Graphics.

Full Specs

  GeForce GTX 660 Radeon HD 8550G plus HD 8750M Dual Graphics
Architecture Kepler
Code name GK106
Type Desktop Laptop
Release date 6 September 2012 1 August 2013
Pipelines 960 640
Core clock speed 980 MHz 720 / 825 MHz
Boost Clock 1033 MHz
Transistor count 2,540 million
Manufacturing process technology 28 nm 32 / 28 nm
Texture fill rate 78.4 billion/sec
Floating-point performance 1,981 gflops
Length 9.5" (24.1 cm)
Memory bus width 192-bit GDDR5 128 Bit
Memory clock speed 6.0 GB/s 1800 MHz
Memory bandwidth 144.2 GB/s
Shared memory -
DirectX 12 (11_0) DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.3
OpenCL 1.2
Vulkan 1.1.126
CUDA +
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
Laptop size medium sized
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