Quadro K3100M vs Radeon HD 6870

Find out if it is worth upgrading your current GPU setup by comparing Quadro K3100M and Radeon HD 6870. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Quadro K3100M and Radeon HD 6870. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Quadro K3100M is a Laptop Graphics Card

Note: Quadro K3100M 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 Quadro K3100M here:

Main Specs

  Quadro K3100M Radeon HD 6870
Power consumption (TDP) 75 Watt 151 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 1 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6870 has 101% more power consumption, than Quadro K3100M.
  • Quadro K3100M is connected by MXM-B (3.0), and Radeon HD 6870 uses PCIe 2.0 x16 interface.
  • Quadro K3100M has 3 GB more memory, than Radeon HD 6870.
  • Quadro K3100M is used in Mobile workstations, and Radeon HD 6870 - in Desktops.
  • Quadro K3100M is build with Kepler architecture, and Radeon HD 6870 - with Terascale 2.
  • Quadro K3100M is manufactured by 28 nm process technology, and Radeon HD 6870 - by 40 nm process technology.
  • Memory clock speed of Quadro K3100M is 2150 MHz higher, than Radeon HD 6870.

Game benchmarks

high / 1080p 10−12 10−12
ultra / 1080p 7−8 6−7
QHD / 1440p 1−2 1−2
low / 720p 24−27 24−27
medium / 1080p 14−16 12−14
The average gaming FPS of Quadro K3100M in Assassin's Creed Odyssey is 9% more, than Radeon HD 6870.

Full Specs

  Quadro K3100M Radeon HD 6870
Architecture Kepler Terascale 2
Code name N15E-Q1-A2 RV940 Barts
Type Mobile workstation Desktop
Release date 23 July 2013 22 October 2010
Pipelines 768 1120
Core clock speed 706 MHz
Boost Clock 900 MHz
Transistor count 3,540 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 45.18 50.40
Floating-point performance 1,084 gflops 2,016.0 gflops
Length 220 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 3200 MHz 1050 MHz
Memory bandwidth 102.4 GB/s 134.4 GB/s
Shared memory - -
DirectX 12
Shader Model 5 5.0
OpenGL 4.5 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126
CUDA +
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 44 Mh/s 213 Mh/s
Laptop size large
Optimus +
Eyefinity +
Design reference
CrossFire +
Display Port 1.2
3D Vision Pro +
Mosaic +
nView Display Management +
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