Quadro K4000M vs Radeon R9 M390X

In this comparison between Quadro K4000M and Radeon R9 M390X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Quadro K4000M will be the best choice, for others Radeon R9 M390X will be their preference. Study the comparison tables below and make your choice.

Quadro K4000M and Radeon R9 M390X are Laptop Graphics Cards

Note: Quadro K4000M and Radeon R9 M390X 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 Quadro K4000M or Radeon R9 M390X here:

Main Specs

  Quadro K4000M Radeon R9 M390X
Power consumption (TDP) 100 Watt 100 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • Both graphics cards have the same power consumption of 100 Watt.
  • Quadro K4000M is connected by MXM-B (3.0), and Radeon R9 M390X uses PCIe 3.0 x16 interface.
  • Quadro K4000M and Radeon R9 M390X have maximum RAM of 4 GB.
  • Quadro K4000M is used in Mobile workstations, and Radeon R9 M390X - in Laptops.
  • Quadro K4000M is build with Kepler architecture, and Radeon R9 M390X - with GCN 3.
  • Core clock speed of Radeon R9 M390X is 123 MHz higher, than Quadro K4000M.
  • Quadro K4000M and Radeon R9 M390X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 10−11 21−24
ultra / 1080p 6−7 12−14
QHD / 1440p 1−2 8−9
4K / 2160p 5−6
low / 720p 21−24 40−45
medium / 1080p 12−14 27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 130% more, than Quadro K4000M.

Full Specs

  Quadro K4000M Radeon R9 M390X
Architecture Kepler GCN 3
Code name N14E-Q3 Amethyst (XT) / Tonga
Type Mobile workstation Laptop
Release date 1 June 2012 9 June 2015
Pipelines 960 2048
Core clock speed 600 MHz 723 MHz
Transistor count 3,540 million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 48.08 92.54
Floating-point performance 1,154 gflops 2,961 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 2800 MHz
Memory bandwidth 89.6 GB/s 160.0 GB/s
Shared memory - -
DirectX 12 (11_0)
Shader Model 5.1 6.3
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
Vulkan 1.1.126 +
CUDA +
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 37 Mh/s
Laptop size large large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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