Tesla K20m vs Quadro P400

VS

Aggregate performance score

We've compared Quadro P400 and Tesla K20m, covering specs and all relevant benchmarks.

Quadro P400
2017
2 GB GDDR5, 30 Watt
4.27

Tesla K20m outperforms P400 by a whopping 169% based on our aggregate benchmark results.

Primary details

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

Place in the ranking679418
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.760.62
Power efficiency9.753.50
ArchitecturePascal (2016−2021)Kepler (2012−2018)
GPU code nameGP107GK110
Market segmentWorkstationWorkstation
Release date7 February 2017 (7 years ago)5 January 2013 (11 years ago)
Launch price (MSRP)$119.99 $3,199

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Quadro P400 has 345% better value for money than Tesla K20m.

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 cores2562496
Core clock speed1228 MHz706 MHz
Boost clock speed1252 MHzno data
Number of transistors3,300 million7,080 million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)30 Watt225 Watt
Texture fill rate20.03146.8
Floating-point processing power0.641 TFLOPS3.524 TFLOPS
ROPs1640
TMUs16208

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).

InterfacePCIe 3.0 x16PCIe 2.0 x16
Length145 mm267 mm
Width1-slot2-slot
Supplementary power connectorsNone1x 6-pin + 1x 8-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 GB5 GB
Memory bus width64 Bit320 Bit
Memory clock speed1002 MHz1300 MHz
Memory bandwidth32.06 GB/s208.0 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 Connectors3x mini-DisplayPortNo outputs

API compatibility

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

DirectX12 (12_1)12 (11_0)
Shader Model6.45.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.1.126
CUDA6.13.5

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.

Quadro P400 4.27
Tesla K20m 11.50
+169%

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.

Quadro P400 1645
Tesla K20m 4432
+169%

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 4.27 11.50
Recency 7 February 2017 5 January 2013
Maximum RAM amount 2 GB 5 GB
Chip lithography 14 nm 28 nm
Power consumption (TDP) 30 Watt 225 Watt

Quadro P400 has an age advantage of 4 years, a 100% more advanced lithography process, and 650% lower power consumption.

Tesla K20m, on the other hand, has a 169.3% higher aggregate performance score, and a 150% higher maximum VRAM amount.

The Tesla K20m is our recommended choice as it beats the Quadro P400 in performance tests.


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

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NVIDIA Quadro P400
Quadro P400
NVIDIA Tesla K20m
Tesla K20m

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.


4.1 490 votes

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3.3 17 votes

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Questions & comments

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