Quadro K4000 vs Radeon HD 6950

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Aggregate performance score

We've compared Radeon HD 6950 with Quadro K4000, including specs and performance data.

HD 6950
2010
2 GB GDDR5, 500 Watt
6.76

K4000 outperforms HD 6950 by a minimal 4% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking561552
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.110.58
Power efficiency2.326.05
ArchitectureTeraScale 3 (2010−2013)Kepler (2012−2018)
GPU code nameCaymanGK106
Market segmentDesktopWorkstation
Designreferenceno data
Release date14 December 2010 (14 years ago)1 March 2013 (11 years ago)
Launch price (MSRP)$299 $1,269

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

HD 6950 has 91% better value for money than Quadro K4000.

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores1408768
Core clock speedno data810 MHz
Boost clock speed800 MHzno data
Number of transistors2,640 million2,540 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)500 Watt80 Watt
Texture fill rate70.4051.84
Floating-point processing power2.253 TFLOPS1.244 TFLOPS
ROPs3224
TMUs8864

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus supportPCIe 2.0 x16no data
InterfacePCIe 2.0 x16PCIe 2.0 x16
Length267 mm241 mm
Width2-slot1-slot
Supplementary power connectors2x 6-pin1x 6-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount2 GB3 GB
Memory bus width256 Bit192 Bit
Memory clock speed1250 MHz1404 MHz
Memory bandwidthno data134.8 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors2x DVI, 1x HDMI, 2x mini-DisplayPort1x DVI, 2x DisplayPort
Eyefinity+-
HDMI+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectXDirectX® 1112 (11_0)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
Vulkan-+
CUDA-3.0

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

HD 6950 6.76
Quadro K4000 7.06
+4.4%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

HD 6950 2606
Quadro K4000 2718
+4.3%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 6.76 7.06
Recency 14 December 2010 1 March 2013
Maximum RAM amount 2 GB 3 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 500 Watt 80 Watt

Quadro K4000 has a 4.4% higher aggregate performance score, an age advantage of 2 years, a 50% higher maximum VRAM amount, a 42.9% more advanced lithography process, and 525% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Radeon HD 6950 and Quadro K4000.

Be aware that Radeon HD 6950 is a desktop card while Quadro K4000 is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 6950
Radeon HD 6950
NVIDIA Quadro K4000
Quadro K4000

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.7 222 votes

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3.3 197 votes

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.