Quadro K3100M vs Radeon R9 M385X

In this comparison between Quadro K3100M and Radeon R9 M385X 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 K3100M will be the best choice, for others Radeon R9 M385X will be their preference. Study the comparison tables below and make your choice.

Quadro K3100M and Radeon R9 M385X are Laptop Graphics Cards

Note: Quadro K3100M and Radeon R9 M385X 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 K3100M or Radeon R9 M385X here:

Main Specs

  Quadro K3100M Radeon R9 M385X
Power consumption (TDP) 75 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • Quadro K3100M is connected by MXM-B (3.0), and Radeon R9 M385X uses PCIe 3.0 x16 interface.
  • Quadro K3100M and Radeon R9 M385X have maximum RAM of 4 GB.
  • Quadro K3100M is used in Mobile workstations, and Radeon R9 M385X - in Laptops.
  • Quadro K3100M is build with Kepler architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 394 MHz higher, than Quadro K3100M.
  • Quadro K3100M and Radeon R9 M385X are manufactured by 28 nm process technology.
  • Memory clock speed of Quadro K3100M is 1700 MHz higher, than Radeon R9 M385X.

Game benchmarks

high / 1080p 10−12 8−9
ultra / 1080p 7−8 5−6
QHD / 1440p 1−2 0−1
low / 720p 24−27 18−20
medium / 1080p 14−16 10−11
The average gaming FPS of Quadro K3100M in Assassin's Creed Odyssey is 40% more, than Radeon R9 M385X.

Full Specs

  Quadro K3100M Radeon R9 M385X
Architecture Kepler GCN
Code name N15E-Q1-A2 Strato-XT-M3
Type Mobile workstation Laptop
Release date 23 July 2013 16 June 2015
Pipelines 768 896
Core clock speed 706 MHz 1100 MHz
Boost Clock 1100 MHz
Transistor count 3,540 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 45.18 61.60
Floating-point performance 1,084 gflops 1,971 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 3200 MHz 1500 MHz
Memory bandwidth 102.4 GB/s 76.8 GB/s
Shared memory - -
DirectX 12
Shader Model 5 6.3
OpenGL 4.5 4.4
OpenCL 1.2 Not Listed
Vulkan 1.1.126
CUDA +
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 44 Mh/s
Laptop size large large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Display Port 1.2
3D Vision Pro +
Mosaic +
nView Display Management +
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