Quadro K4000 vs Radeon HD 6950

If you are going to buy a new graphics card and are choosing between Quadro K4000 and Radeon HD 6950, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Quadro K4000 stacks up against Radeon HD 6950, check out specs charts below.

Main Specs

  Quadro K4000 Radeon HD 6950
Power consumption (TDP) 80 Watt 500 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 2 GB
Display Connectors 1x DVI, 2x DisplayPort 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6950 has 525% more power consumption, than Quadro K4000.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Quadro K4000 has 1 GB more memory, than Radeon HD 6950.
  • Both cards are used in Desktops.
  • Quadro K4000 is build with Kepler architecture, and Radeon HD 6950 - with TeraScale 3.
  • Quadro K4000 is manufactured by 28 nm process technology, and Radeon HD 6950 - by 40 nm process technology.
  • Radeon HD 6950 is 26 mm longer, than Quadro K4000.
  • Memory clock speed of Quadro K4000 is 4366 MHz higher, than Radeon HD 6950.

Game benchmarks

high / 1080p 14−16 14−16
ultra / 1080p 8−9 8−9
QHD / 1440p 3−4 3−4
low / 720p 27−30 27−30
medium / 1080p 16−18 16−18
Quadro K4000 and Radeon HD 6950 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Quadro K4000 Radeon HD 6950
Architecture Kepler TeraScale 3
Code name GK106 Cayman
Type Workstation Desktop
Release date 1 March 2013 14 December 2010
Pipelines 768 1408
Core clock speed 810 MHz
Boost Clock 800 MHz
Transistor count 2,540 million 2,640 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 51.84 70.40
Floating-point performance 1,244 gflops 2,252.8 gflops
Length 241 mm 267 mm
Memory bus width 192 Bit 256 Bit
Memory clock speed 5616 MHz 1250 MHz
Memory bandwidth 134.8 GB/s
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 3.0
Monero / XMR (CryptoNight) 0.21 kh/s
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 61 Mh/s 244 Mh/s
Eyefinity +
Design reference
CrossFire +
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