GeForce GTX 660M vs Radeon RX 570

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and Radeon RX 570. 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 RX 570. 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 is a Laptop Graphics Card

Note: GeForce GTX 660M is only used in laptop graphics. It has 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 here:

Main Specs

  GeForce GTX 660M Radeon RX 570
Power consumption (TDP) 50 Watt 120 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 3x DisplayPort
  Check Price Check Price
  • Radeon RX 570 has 140% more power consumption, than GeForce GTX 660M.
  • GeForce GTX 660M is connected by MXM-B (3.0), and Radeon RX 570 uses PCIe 3.0 x16 interface.
  • Radeon RX 570 has 6 GB more memory, than GeForce GTX 660M.
  • GeForce GTX 660M is used in Laptops, and Radeon RX 570 - in Desktops.
  • GeForce GTX 660M is build with Kepler architecture, and Radeon RX 570 - with Polaris.
  • Core clock speed of Radeon RX 570 is 333 MHz higher, than GeForce GTX 660M.
  • GeForce GTX 660M is manufactured by 28 nm process technology, and Radeon RX 570 - by 14 nm process technology.
  • Memory clock speed of Radeon RX 570 is 5000 MHz higher, than GeForce GTX 660M.

Game benchmarks

high / 1080p 6−7 35−40
ultra / 1080p 4−5 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 16−18 60−65
medium / 1080p 8−9 40−45
The average gaming FPS of Radeon RX 570 in Assassin's Creed Odyssey is 355% more, than GeForce GTX 660M.

Full Specs

  GeForce GTX 660M Radeon RX 570
Architecture Kepler Polaris
Code name N13E-GE Polaris 20 Ellesmere
Type Laptop Desktop
Release date 22 March 2012 18 April 2017
Pipelines 384 2048
Core clock speed 835 MHz 1168 MHz
Boost Clock 950 MHz 1244 MHz
Transistor count 1,270 million 5,700 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 30.4 billion/sec 159.2
Floating-point performance 729.6 gflops 5,095 gflops
Length 241 mm
Memory bus width 128bit 256 Bit
Memory clock speed 2000 MHz 7000 MHz
Memory bandwidth 64.0 GB/s 224.0 GB/s
Shared memory - -
DirectX 12 API 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan 1.1.126 +
CUDA +
FreeSync +
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
Optimus +
  Check Price Check Price