Quadro 4000M vs Radeon HD 6850M

When comparing Quadro 4000M and Radeon HD 6850M, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Quadro 4000M and Radeon HD 6850M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Quadro 4000M and Radeon HD 6850M are Laptop Graphics Cards

Note: Quadro 4000M and Radeon HD 6850M 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 4000M or Radeon HD 6850M here:

Main Specs

  Quadro 4000M Radeon HD 6850M
Power consumption (TDP) 100 Watt 50 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Memory type GDDR5 DDR3, GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs No outputs
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  • Quadro 4000M has 100% more power consumption, than Radeon HD 6850M.
  • Quadro 4000M is connected by MXM-B (3.0), and Radeon HD 6850M uses PCIe 2.0 x16 interface.
  • Quadro 4000M has 1 GB more memory, than Radeon HD 6850M.
  • Quadro 4000M is used in Mobile workstations, and Radeon HD 6850M - in Laptops.
  • Quadro 4000M is build with Fermi architecture, and Radeon HD 6850M - with Terascale 2.
  • Core clock speed of Radeon HD 6850M is 100 MHz higher, than Quadro 4000M.
  • Quadro 4000M and Radeon HD 6850M are manufactured by 40 nm process technology.
  • Memory clock speed of Quadro 4000M is 400 MHz higher, than Radeon HD 6850M.

Game benchmarks

high / 1080p 3−4 2−3
ultra / 1080p 1−2 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 12−14
medium / 1080p 5−6 3−4
The average gaming FPS of Quadro 4000M in Assassin's Creed Odyssey is 33% more, than Radeon HD 6850M.

Full Specs

  Quadro 4000M Radeon HD 6850M
Architecture Fermi Terascale 2
Code name Fermi Granville Pro/LP
Type Mobile workstation Laptop
Release date 22 February 2011 6 January 2011
Pipelines 336 800
Core clock speed 475 MHz 575 / 675 MHz
Transistor count 1,950 million 1,040 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 26.60 27.00
Floating-point performance 638.4 gflops 1,080.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1200 MHz 800 MHz
Memory bandwidth 80 GB/s 25.6 GB/s
Shared memory - -
DirectX 12 (11_0) 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.6 4.4
OpenCL 1.1 1.2
Vulkan N/A N/A
CUDA 2.1
Bitcoin / BTC (SHA256) 82 Mh/s
Laptop size large large
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