GeForce GTX 660 Ti vs Radeon R9 M290X

When choosing between GeForce GTX 660 Ti and Radeon R9 M290X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 660 Ti and Radeon R9 M290X.

Radeon R9 M290X is a Laptop Graphics Card

Note: Radeon R9 M290X 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 Radeon R9 M290X here:

Main Specs

  GeForce GTX 660 Ti Radeon R9 M290X
Power consumption (TDP) 150 Watt 100 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors Two 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GeForce GTX 660 Ti has 50% more power consumption, than Radeon R9 M290X.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M290X has 2 GB more memory, than GeForce GTX 660 Ti.
  • GeForce GTX 660 Ti is used in Desktops, and Radeon R9 M290X - in Laptops.
  • GeForce GTX 660 Ti is build with Kepler architecture, and Radeon R9 M290X - with GCN.
  • Core clock speed of GeForce GTX 660 Ti is 65 MHz higher, than Radeon R9 M290X.
  • GeForce GTX 660 Ti and Radeon R9 M290X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R9 M290X is 1194 MHz higher, than GeForce GTX 660 Ti.

Game benchmarks

high / 1080p 21−24 16−18
ultra / 1080p 12−14 10−11
QHD / 1440p 8−9 4−5
4K / 2160p 5−6 4−5
low / 720p 40−45 30−35
medium / 1080p 27−30 20−22
The average gaming FPS of GeForce GTX 660 Ti in Assassin's Creed Odyssey is 33% more, than Radeon R9 M290X.

Full Specs

  GeForce GTX 660 Ti Radeon R9 M290X
Architecture Kepler GCN
Code name GK104 Neptune
Type Desktop Laptop
Release date 16 August 2012 7 January 2014
Pipelines 1344 1280
Core clock speed 915 MHz 850 MHz
Boost Clock 980 MHz 900 MHz
Transistor count 3,540 million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 102.5 billion/sec 72.00
Floating-point performance 2,459.5 gflops 2,304 gflops
Length 9.5" (24.1 cm)
Memory bus width 192-bit GDDR5 256 Bit
Memory clock speed 6.0 GB/s 1200 MHz
Memory bandwidth 144.2 GB/s 153.6 GB/s
Shared memory - -
DirectX 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.3 4.4
OpenCL 1.2 Not Listed
Vulkan 1.1.126
CUDA +
FreeSync +
CUDA cores 1344
Bus support PCI Express 3.0 PCIe 3.0 x16
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) 99 Mh/s 300 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 20
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