Quadro K4000M vs Radeon HD 6850

Find out if it is worth upgrading your current GPU setup by comparing Quadro K4000M and Radeon HD 6850. 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 K4000M and Radeon HD 6850. 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 K4000M is a Laptop Graphics Card

Note: Quadro K4000M 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 K4000M here:

Main Specs

  Quadro K4000M Radeon HD 6850
Power consumption (TDP) 100 Watt 127 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors 1x 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 6850 has 27% more power consumption, than Quadro K4000M.
  • Quadro K4000M is connected by MXM-B (3.0), and Radeon HD 6850 uses PCIe 2.0 x16 interface.
  • Quadro K4000M has 3 GB more memory, than Radeon HD 6850.
  • Quadro K4000M is used in Mobile workstations, and Radeon HD 6850 - in Desktops.
  • Quadro K4000M is build with Kepler architecture, and Radeon HD 6850 - with TeraScale 2.
  • Quadro K4000M is manufactured by 28 nm process technology, and Radeon HD 6850 - by 40 nm process technology.

Game benchmarks

high / 1080p 10−11 9−10
ultra / 1080p 6−7 5−6
QHD / 1440p 1−2 0−1
low / 720p 21−24 21−24
medium / 1080p 12−14 12−14
The average gaming FPS of Quadro K4000M in Assassin's Creed Odyssey is 8% more, than Radeon HD 6850.

Full Specs

  Quadro K4000M Radeon HD 6850
Architecture Kepler TeraScale 2
Code name N14E-Q3 Barts
Type Mobile workstation Desktop
Release date 1 June 2012 21 October 2010
Pipelines 960 960
Core clock speed 600 MHz
Transistor count 3,540 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 48.08 37.20
Floating-point performance 1,154 gflops 1,488.0 gflops
Length 198 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 2800 MHz
Memory bandwidth 89.6 GB/s 128.0 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 5.0
OpenGL 4.6 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126
CUDA +
Bus support AGP
Bitcoin / BTC (SHA256) 37 Mh/s 139 Mh/s
Laptop size large
Optimus +
Eyefinity +
Design reference
CrossFire +
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