Quadro K3100M vs Radeon HD 8870M

When choosing between Quadro K3100M and Radeon HD 8870M, 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 Quadro K3100M and Radeon HD 8870M.

Quadro K3100M and Radeon HD 8870M are Laptop Graphics Cards

Note: Quadro K3100M and Radeon HD 8870M 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 HD 8870M here:

Main Specs

  Quadro K3100M Radeon HD 8870M
Power consumption (TDP) 75 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Memory type GDDR5 GDDR5, DDR3
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs No outputs
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  • Quadro K3100M is connected by MXM-B (3.0), and Radeon HD 8870M uses PCIe 3.0 x16 interface.
  • Quadro K3100M has 2 GB more memory, than Radeon HD 8870M.
  • Quadro K3100M is used in Mobile workstations, and Radeon HD 8870M - in Laptops.
  • Quadro K3100M is build with Kepler architecture, and Radeon HD 8870M - with GCN.
  • Core clock speed of Radeon HD 8870M is 19 MHz higher, than Quadro K3100M.
  • Quadro K3100M and Radeon HD 8870M are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 8870M is 1300 MHz higher, than Quadro K3100M.

Game benchmarks

high / 1080p 10−12 7−8
ultra / 1080p 7−8 4−5
QHD / 1440p 1−2 0−1
low / 720p 24−27 18−20
medium / 1080p 14−16 9−10
The average gaming FPS of Quadro K3100M in Assassin's Creed Odyssey is 40% more, than Radeon HD 8870M.

Full Specs

  Quadro K3100M Radeon HD 8870M
Architecture Kepler GCN
Code name N15E-Q1-A2 Venus
Type Mobile workstation Laptop
Release date 23 July 2013 18 December 2012
Pipelines 768 640
Core clock speed 706 MHz 725 MHz
Boost Clock 775 MHz
Transistor count 3,540 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 45.18 31.00
Floating-point performance 1,084 gflops 992.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 3200 MHz 4500 MHz
Memory bandwidth 102.4 GB/s 72 GB/s
Shared memory - -
DirectX 12 12 (11_1)
Shader Model 5 5.1
OpenGL 4.5 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.2.131
CUDA +
Bitcoin / BTC (SHA256) 44 Mh/s 107 Mh/s
Laptop size large large
Optimus +
Display Port 1.2
3D Vision Pro +
Mosaic +
nView Display Management +
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