GeForce GTX 660 vs Radeon E8860

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and Radeon E8860. 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 E8860. 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 E8860
Power consumption (TDP) 140 Watt 37 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors One 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 4x mini-DisplayPort
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  • GeForce GTX 660 has 278% more power consumption, than Radeon E8860.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GTX 660 and Radeon E8860 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • GeForce GTX 660 is build with Kepler architecture, and Radeon E8860 - with GCN 1.0.
  • Core clock speed of GeForce GTX 660 is 405 MHz higher, than Radeon E8860.
  • GeForce GTX 660 and Radeon E8860 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon E8860 is 4494 MHz higher, than GeForce GTX 660.

Game benchmarks

high / 1080p 20−22 7−8
ultra / 1080p 12−14 4−5
QHD / 1440p 6−7 0−1
4K / 2160p 5−6
low / 720p 40−45 18−20
medium / 1080p 24−27 9−10
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 150% more, than Radeon E8860.

Full Specs

  GeForce GTX 660 Radeon E8860
Architecture Kepler GCN 1.0
Code name GK106 Venus
Type Desktop Desktop
Release date 6 September 2012 25 January 2014
Pipelines 960 640
Core clock speed 980 MHz 575 MHz
Boost Clock 1033 MHz 625 MHz
Transistor count 2,540 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 78.4 billion/sec 25.00
Floating-point performance 1,981 gflops 800.0 gflops
Length 9.5" (24.1 cm)
Memory bus width 192-bit GDDR5 128 Bit
Memory clock speed 6.0 GB/s 4500 MHz
Memory bandwidth 144.2 GB/s 72 GB/s
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 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 48 Mh/s
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