Tesla P40 vs Quadro K620

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Aggregate performance score

We've compared Quadro K620 and Tesla P40, covering specs and all relevant benchmarks.

Quadro K620
2014
2 GB 128-bit, 41 Watt
5.78

Tesla P40 outperforms K620 by a whopping 447% based on our aggregate benchmark results.

Primary details

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

Place in the ranking590172
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.372.57
Power efficiency8.908.75
ArchitectureMaxwell (2014−2017)Pascal (2016−2021)
GPU code nameGM107GP102
Market segmentWorkstationWorkstation
Release date22 July 2014 (10 years ago)13 September 2016 (8 years ago)
Launch price (MSRP)$189.89 $5,699

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Tesla P40 has 8% better value for money than Quadro K620.

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 cores3843840
Core clock speed1058 MHz1303 MHz
Boost clock speed1124 MHz1531 MHz
Number of transistors1,870 million11,800 million
Manufacturing process technology28 nm16 nm
Power consumption (TDP)41 Watt250 Watt
Texture fill rate26.98367.4
Floating-point processing power0.8632 TFLOPS11.76 TFLOPS
ROPs1696
TMUs24240

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 2.0 x16PCIe 3.0 x16
Length160 mm267 mm
Width1" (2.5 cm)2-slot
Supplementary power connectorsNone8-pin EPS

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 type128 BitGDDR5
Maximum RAM amount2 GB24 GB
Memory bus width128 Bit384 Bit
Memory clock speed900 MHz1808 MHz
Memory bandwidthUp to 29 GB/s347.1 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 Connectors1x DVI, 1x DisplayPortNo outputs
Number of simultaneous displays4no data

Supported technologies

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

3D Vision Pro+no data
Mosaic+no data
nView Desktop Management+no data

API compatibility

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

DirectX1212 (12_1)
Shader Model5.16.7
OpenGL4.54.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA5.06.1

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 K620 5.78
Tesla P40 31.59
+447%

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 K620 2231
Tesla P40 12190
+446%

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 5.78 31.59
Recency 22 July 2014 13 September 2016
Maximum RAM amount 2 GB 24 GB
Chip lithography 28 nm 16 nm
Power consumption (TDP) 41 Watt 250 Watt

Quadro K620 has 509.8% lower power consumption.

Tesla P40, on the other hand, has a 446.5% higher aggregate performance score, an age advantage of 2 years, a 1100% higher maximum VRAM amount, and a 75% more advanced lithography process.

The Tesla P40 is our recommended choice as it beats the Quadro K620 in performance tests.


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.


NVIDIA Quadro K620
Quadro K620
NVIDIA Tesla P40
Tesla P40

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.


3.7 603 votes

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4 192 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.