GeForce GTX 660 vs Radeon R7 250

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and Radeon R7 250. 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 R7 250. 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 R7 250
Power consumption (TDP) 140 Watt 75 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors One 6-pin N/A
Memory type GDDR5 DDR3, GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 1x VGA
  Check Price Check Price
  • GeForce GTX 660 has 86% more power consumption, than Radeon R7 250.
  • GeForce GTX 660 is connected by PCIe 3.0 x16, and Radeon R7 250 uses PCIe 3.0 x8 interface.
  • GeForce GTX 660 and Radeon R7 250 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • GeForce GTX 660 is build with Kepler architecture, and Radeon R7 250 - with GCN.
  • GeForce GTX 660 and Radeon R7 250 are manufactured by 28 nm process technology.
  • Radeon R7 250 is 159 mm longer, than GeForce GTX 660.
  • Memory clock speed of Radeon R7 250 is 1144 MHz higher, than GeForce GTX 660.

Game benchmarks

high / 1080p 20−22 3−4
ultra / 1080p 12−14 1−2
QHD / 1440p 6−7 0−1
4K / 2160p 5−6
low / 720p 40−45 14−16
medium / 1080p 24−27 5−6
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 316% more, than Radeon R7 250.

Full Specs

  GeForce GTX 660 Radeon R7 250
Architecture Kepler GCN
Code name GK106 Oland XT
Type Desktop Desktop
Release date 6 September 2012 1 October 2013
Pipelines 960 384
Core clock speed 980 MHz
Boost Clock 1033 MHz 1050 MHz
Transistor count 2,540 million 950 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 78.4 billion/sec 25.20
Floating-point performance 1,981 gflops 716.8 gflops
Length 9.5" (24.1 cm) 168 mm
Memory bus width 192-bit GDDR5 128 Bit
Memory clock speed 6.0 GB/s 1150 MHz
Memory bandwidth 144.2 GB/s 72 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.3 4.6
OpenCL 1.2 1.2
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 117 Mh/s
Design reference
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 3 Mh/s
AppAcceleration +
  Check Price Check Price