GeForce GTX 660 vs Radeon R7 260X

If you are going to buy a new graphics card and are choosing between GeForce GTX 660 and Radeon R7 260X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 660 stacks up against Radeon R7 260X, check out specs charts below.

Main Specs

  GeForce GTX 660 Radeon R7 260X
Power consumption (TDP) 140 Watt 115 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors One 6-pin 1 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GTX 660 has 21% more power consumption, than Radeon R7 260X.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R7 260X 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 R7 260X - with GCN 2.0.
  • GeForce GTX 660 and Radeon R7 260X are manufactured by 28 nm process technology.
  • Radeon R7 260X is 161 mm longer, than GeForce GTX 660.

Game benchmarks

high / 1080p 20−22 16−18
ultra / 1080p 12−14 9−10
QHD / 1440p 6−7 4−5
4K / 2160p 5−6
low / 720p 40−45 30−35
medium / 1080p 24−27 20−22
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 31% more, than Radeon R7 260X.

Full Specs

  GeForce GTX 660 Radeon R7 260X
Architecture Kepler GCN 2.0
Code name GK106 Bonaire
Type Desktop Desktop
Release date 6 September 2012 8 October 2013
Pipelines 960 896
Core clock speed 980 MHz
Boost Clock 1033 MHz 1000 MHz
Transistor count 2,540 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 78.4 billion/sec 61.60
Floating-point performance 1,981 gflops 1,971 gflops
Length 9.5" (24.1 cm) 170 mm
Memory bus width 192-bit GDDR5 128 Bit
Memory clock speed 6.0 GB/s
Memory bandwidth 144.2 GB/s 104 GB/s
DirectX 12 (11_0)
Shader Model 5.1 6.3
OpenGL 4.3 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126
CUDA +
FreeSync +
CUDA cores 960
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) 66 Mh/s 225 Mh/s
Eyefinity +
Design reference
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 5.16 Mh/s
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