Quadro M4000M vs Radeon HD 6850 X2

Find out if it is worth upgrading your current GPU setup by comparing Quadro M4000M and Radeon HD 6850 X2. 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 M4000M and Radeon HD 6850 X2. 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.
Radeon HD 6850 X2

Quadro M4000M is a Laptop Graphics Card

Note: Quadro M4000M 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 M4000M here:

Main Specs

  Quadro M4000M Radeon HD 6850 X2
Power consumption (TDP) 100 Watt 254 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors None 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6850 X2 has 154% more power consumption, than Quadro M4000M.
  • Quadro M4000M is connected by PCIe 3.0 x16, and Radeon HD 6850 X2 uses PCIe 2.0 x16 interface.
  • Quadro M4000M has 2 GB more memory, than Radeon HD 6850 X2.
  • Quadro M4000M is used in Mobile workstations, and Radeon HD 6850 X2 - in Desktops.
  • Quadro M4000M is build with Maxwell architecture, and Radeon HD 6850 X2 - with TeraScale 2.
  • Core clock speed of Quadro M4000M is 175 MHz higher, than Radeon HD 6850 X2.
  • Quadro M4000M is manufactured by 28 nm process technology, and Radeon HD 6850 X2 - by 40 nm process technology.
  • Memory clock speed of Quadro M4000M is 812 MHz higher, than Radeon HD 6850 X2.

Game benchmarks

high / 1080p 35−40 12−14
ultra / 1080p 21−24 7−8
QHD / 1440p 16−18 2−3
4K / 2160p 10−11
low / 720p 60−65 27−30
medium / 1080p 40−45 16−18
The average gaming FPS of Quadro M4000M in Assassin's Creed Odyssey is 176% more, than Radeon HD 6850 X2.

Full Specs

  Quadro M4000M Radeon HD 6850 X2
Architecture Maxwell TeraScale 2
Code name GM204 Barts
Type Mobile workstation Desktop
Release date 2 October 2015 19 September 2011
Pipelines 1,280 960
Core clock speed 975 MHz 800 MHz
Boost Clock 1013 MHz
Transistor count 5,200 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 78.00 38.40
Floating-point performance 2,496 gflops 2x 1,536.0 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 5012 MHz 4200 MHz
Memory bandwidth 160 GB/s 134.4 GB/s
Shared memory -
DirectX 12 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.5 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126 N/A
CUDA 5.2
Bitcoin / BTC (SHA256) 251 Mh/s
Laptop size large
Optimus +
Display Port 1.2
3D Vision Pro +
Mosaic +
nView Display Management +
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