GeForce GTX 660 Ti vs Radeon Pro 5500M

When choosing between GeForce GTX 660 Ti and Radeon Pro 5500M, 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 Ti and Radeon Pro 5500M.

Radeon Pro 5500M is a Laptop Graphics Card

Note: Radeon Pro 5500M 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 Pro 5500M here:

Main Specs

  GeForce GTX 660 Ti Radeon Pro 5500M
Power consumption (TDP) 150 Watt 85 Watt
Interface PCIe 3.0 x16 PCIe 4.0 x8
Supplementary power connectors Two 6-pin None
Memory type GDDR5 GDDR6
Maximum RAM amount 2 GB 8 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GeForce GTX 660 Ti has 76% more power consumption, than Radeon Pro 5500M.
  • GeForce GTX 660 Ti is connected by PCIe 3.0 x16, and Radeon Pro 5500M uses PCIe 4.0 x8 interface.
  • Radeon Pro 5500M has 6 GB more memory, than GeForce GTX 660 Ti.
  • GeForce GTX 660 Ti is used in Desktops, and Radeon Pro 5500M - in Mobile workstations.
  • GeForce GTX 660 Ti is build with Kepler architecture, and Radeon Pro 5500M - with Navi / RDNA.
  • GeForce GTX 660 Ti is manufactured by 28 nm process technology, and Radeon Pro 5500M - by 7 nm process technology.
  • Memory clock speed of Radeon Pro 5500M is 11994 MHz higher, than GeForce GTX 660 Ti.

Game benchmarks

high / 1080p 21−24 35−40
ultra / 1080p 12−14 21−24
QHD / 1440p 8−9 16−18
4K / 2160p 5−6 10−11
low / 720p 40−45 60−65
medium / 1080p 27−30 40−45
The average gaming FPS of Radeon Pro 5500M in Assassin's Creed Odyssey is 60% more, than GeForce GTX 660 Ti.

Full Specs

  GeForce GTX 660 Ti Radeon Pro 5500M
Architecture Kepler Navi / RDNA
Code name GK104 Navi 14
Type Desktop Mobile workstation
Release date 16 August 2012 13 November 2019
Pipelines 1344 1536
Core clock speed 915 MHz
Boost Clock 980 MHz 1300 MHz
Transistor count 3,540 million 6,400 million
Manufacturing process technology 28 nm 7 nm
Texture fill rate 102.5 billion/sec 139.2
Floating-point performance 2,459.5 gflops
Length 9.5" (24.1 cm)
Memory bus width 192-bit GDDR5 128 Bit
Memory clock speed 6.0 GB/s 12000 MHz
Memory bandwidth 144.2 GB/s 192.0 GB/s
Shared memory - -
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.5
OpenGL 4.3 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA +
CUDA cores 1344
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) 99 Mh/s
Laptop size medium sized
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