GeForce GTX 660M vs Radeon R7 Carrizo

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and Radeon R7 Carrizo. 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 660M and Radeon R7 Carrizo. 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.

GeForce GTX 660M and Radeon R7 Carrizo are Laptop Graphics Cards

Note: GeForce GTX 660M and Radeon R7 Carrizo are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GTX 660M or Radeon R7 Carrizo here:

Main Specs

  GeForce GTX 660M Radeon R7 Carrizo
Power consumption (TDP) 50 Watt 12-35 Watt
Interface MXM-B (3.0)
Memory type GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs
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  • GeForce GTX 660M has 316% more power consumption, than Radeon R7 Carrizo.
  • Both cards are used in Laptops.
  • GeForce GTX 660M is build with Kepler architecture, and Radeon R7 Carrizo - with GCN 1.2/2.0.
  • GeForce GTX 660M and Radeon R7 Carrizo are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 6−7 2−3
ultra / 1080p 4−5 0−1
QHD / 1440p 0−1 0−1
low / 720p 16−18 12−14
medium / 1080p 8−9 5−6
The average gaming FPS of GeForce GTX 660M in Assassin's Creed Odyssey is 42% more, than Radeon R7 Carrizo.

Full Specs

  GeForce GTX 660M Radeon R7 Carrizo
Architecture Kepler GCN 1.2/2.0
Code name N13E-GE Carrizo
Type Laptop Laptop
Release date 22 March 2012 4 June 2015
Pipelines 384 512
Core clock speed 835 MHz
Boost Clock 950 MHz 800 MHz
Transistor count 1,270 million 2410 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 30.4 billion/sec
Floating-point performance 729.6 gflops
Memory bus width 128bit 64/128 Bit
Memory clock speed 2000 MHz
Memory bandwidth 64.0 GB/s
Shared memory - +
DirectX 12 API DirectX 12 (FL 12_0)
Shader Model 5.1
OpenGL 4.5
OpenCL 1.1
Vulkan 1.1.126
CUDA +
CUDA cores 384
Bus support PCI Express 2.0, PCI Express 3.0
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 36 Mh/s
Laptop size large medium sized
Optimus +
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