GeForce GTX 660 Ti vs Radeon Sky 500

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 Ti and Radeon Sky 500. 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 Ti and Radeon Sky 500. 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 Ti Radeon Sky 500
Power consumption (TDP) 150 Watt 150 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors Two 6-pin 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DisplayPort
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  • Both graphics cards have the same power consumption of 150 Watt.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon Sky 500 has 2 GB more memory, than GeForce GTX 660 Ti.
  • Both cards are used in Desktops.
  • GeForce GTX 660 Ti is build with Kepler architecture, and Radeon Sky 500 - with GCN 1.0.
  • Core clock speed of Radeon Sky 500 is 35 MHz higher, than GeForce GTX 660 Ti.
  • GeForce GTX 660 Ti and Radeon Sky 500 are manufactured by 28 nm process technology.
  • Radeon Sky 500 is 233 mm longer, than GeForce GTX 660 Ti.
  • Memory clock speed of Radeon Sky 500 is 4794 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 Sky 500 in Assassin's Creed Odyssey is 60% more, than GeForce GTX 660 Ti.

Full Specs

  GeForce GTX 660 Ti Radeon Sky 500
Architecture Kepler GCN 1.0
Code name GK104 Pitcairn
Type Desktop Desktop
Release date 16 August 2012 27 March 2013
Pipelines 1344 1280
Core clock speed 915 MHz 950 MHz
Boost Clock 980 MHz
Transistor count 3,540 million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 102.5 billion/sec 76.00
Floating-point performance 2,459.5 gflops 2,432 gflops
Length 9.5" (24.1 cm) 242 mm
Memory bus width 192-bit GDDR5 256 Bit
Memory clock speed 6.0 GB/s 4800 MHz
Memory bandwidth 144.2 GB/s 154 GB/s
Shared memory -
DirectX 12 (11_0) 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.3 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.2.131
CUDA +
CUDA cores 1344
Bus support PCI Express 3.0 PCIe 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
Form factor full height / full length
DisplayPort count 1
Dual-link DVI support +
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