GeForce GTX 660 vs Radeon Pro V340 MxGPU

If you are going to buy a new graphics card and are choosing between GeForce GTX 660 and Radeon Pro V340 MxGPU, 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 stacks up against Radeon Pro V340 MxGPU, check out specs charts below.
Radeon Pro V340 MxGPU

Main Specs

  GeForce GTX 660 Radeon Pro V340 MxGPU
Power consumption (TDP) 140 Watt 300 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors One 6-pin 2x 8-pin
Memory type GDDR5 HBM2
Maximum RAM amount 2 GB 16 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon Pro V340 MxGPU has 114% more power consumption, than GeForce GTX 660.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon Pro V340 MxGPU has 14 GB more memory, than GeForce GTX 660.
  • Both cards are used in Desktops.
  • GeForce GTX 660 is build with Kepler architecture, and Radeon Pro V340 MxGPU - with GCN 5.0.
  • Core clock speed of Radeon Pro V340 MxGPU is 20 MHz higher, than GeForce GTX 660.
  • GeForce GTX 660 is manufactured by 28 nm process technology, and Radeon Pro V340 MxGPU - by 14 nm process technology.
  • Radeon Pro V340 MxGPU is 258 mm longer, than GeForce GTX 660.
  • Memory clock speed of Radeon Pro V340 MxGPU is 1994 MHz higher, than GeForce GTX 660.

Game benchmarks

high / 1080p 20−22 14−16
ultra / 1080p 12−14 8−9
QHD / 1440p 6−7 3−4
4K / 2160p 5−6
low / 720p 40−45 30−33
medium / 1080p 24−27 18−20
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 40% more, than Radeon Pro V340 MxGPU.

Full Specs

  GeForce GTX 660 Radeon Pro V340 MxGPU
Architecture Kepler GCN 5.0
Code name GK106 Vega 10
Type Desktop Workstation
Release date 6 September 2012 26 August 2018
Pipelines 960 3584
Core clock speed 980 MHz 1000 MHz
Boost Clock 1033 MHz 1500 MHz
Transistor count 2,540 million 12,500 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 78.4 billion/sec 336.0
Floating-point performance 1,981 gflops
Length 9.5" (24.1 cm) 267 mm
Memory bus width 192-bit GDDR5 2048 Bit
Memory clock speed 6.0 GB/s 2000 MHz
Memory bandwidth 144.2 GB/s 512.0 GB/s
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.3 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.1.125
CUDA +
CUDA cores 960
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) 66 Mh/s
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