GeForce GTX 660 vs Radeon Pro W5500M

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and Radeon Pro W5500M. 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 GTX 660 and Radeon Pro W5500M. 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.

Main Specs

  GeForce GTX 660 Radeon Pro W5500M
Power consumption (TDP) 140 Watt 85 Watt
Interface PCIe 3.0 x16 PCIe 4.0 x8
Supplementary power connectors One 6-pin None
Memory type GDDR5 GDDR6
Maximum RAM amount 2 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GeForce GTX 660 has 64% more power consumption, than Radeon Pro W5500M.
  • GeForce GTX 660 is connected by PCIe 3.0 x16, and Radeon Pro W5500M uses PCIe 4.0 x8 interface.
  • Radeon Pro W5500M has 2 GB more memory, than GeForce GTX 660.
  • Both cards are used in Desktops.
  • GeForce GTX 660 is build with Kepler architecture, and Radeon Pro W5500M - with RDNA 1.0.
  • GeForce GTX 660 is manufactured by 28 nm process technology, and Radeon Pro W5500M - by 7 nm process technology.
  • Memory clock speed of Radeon Pro W5500M is 11994 MHz higher, than GeForce GTX 660.

Game benchmarks

high / 1080p 20−22 14−16
ultra / 1080p 12−14 8−9
QHD / 1440p 6−7 3−4
4K / 2160p 5−6
low / 720p 40−45 30−33
medium / 1080p 24−27 18−20
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 40% more, than Radeon Pro W5500M.

Full Specs

  GeForce GTX 660 Radeon Pro W5500M
Architecture Kepler RDNA 1.0
Code name GK106 Navi 14
Type Desktop Workstation
Release date 6 September 2012 10 February 2020
Pipelines 960 1408
Core clock speed 980 MHz
Boost Clock 1033 MHz 1450 MHz
Transistor count 2,540 million 6,400 million
Manufacturing process technology 28 nm 7 nm
Texture fill rate 78.4 billion/sec 127.6
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 12000 MHz
Memory bandwidth 144.2 GB/s 192.0 GB/s
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 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
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