GeForce GTX 660 Ti vs Radeon RX Vega 8 Ryzen 4000

If you are going to buy a new graphics card and are choosing between GeForce GTX 660 Ti and Radeon RX Vega 8 Ryzen 4000, 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 Ti stacks up against Radeon RX Vega 8 Ryzen 4000, check out specs charts below.

Radeon RX Vega 8 Ryzen 4000 is a Laptop Graphics Card

Note: Radeon RX Vega 8 Ryzen 4000 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 RX Vega 8 Ryzen 4000 here:

Main Specs

  GeForce GTX 660 Ti Radeon RX Vega 8 Ryzen 4000
Power consumption (TDP) 150 Watt
Interface PCIe 3.0 x16
Supplementary power connectors Two 6-pin
Memory type GDDR5
Maximum RAM amount 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GTX 660 Ti is used in Desktops, and Radeon RX Vega 8 Ryzen 4000 - in Laptops.
  • GeForce GTX 660 Ti is build with Kepler architecture, and Radeon RX Vega 8 Ryzen 4000 - with Vega.
  • GeForce GTX 660 Ti is manufactured by 28 nm process technology, and Radeon RX Vega 8 Ryzen 4000 - by 7 nm process technology.

Game benchmarks

high / 1080p 21−24 20−22
ultra / 1080p 12−14 12−14
QHD / 1440p 8−9 6−7
4K / 2160p 5−6 5−6
low / 720p 40−45 35−40
medium / 1080p 27−30 24−27
The average gaming FPS of GeForce GTX 660 Ti in Assassin's Creed Odyssey is 11% more, than Radeon RX Vega 8 Ryzen 4000.

Full Specs

  GeForce GTX 660 Ti Radeon RX Vega 8 Ryzen 4000
Architecture Kepler Vega
Code name GK104 Vega Raven Ridge
Type Desktop Laptop
Release date 16 August 2012 7 January 2020
Pipelines 1344 512
Core clock speed 915 MHz
Boost Clock 980 MHz 1750 MHz
Transistor count 3,540 million
Manufacturing process technology 28 nm 7 nm
Texture fill rate 102.5 billion/sec
Floating-point performance 2,459.5 gflops
Length 9.5" (24.1 cm)
Memory bus width 192-bit GDDR5
Memory clock speed 6.0 GB/s
Memory bandwidth 144.2 GB/s
Shared memory - -
DirectX 12 (11_0) DirectX 12_1
Shader Model 5.1
OpenGL 4.3
OpenCL 1.2
Vulkan 1.1.126
CUDA +
CUDA cores 1344
Bus support PCI Express 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) 99 Mh/s
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