Quadro K620 vs Quadro P400

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Aggregate performance score

We've compared Quadro P400 and Quadro K620, covering specs and all relevant benchmarks.

Quadro P400
2017
2 GB GDDR5, 30 Watt
4.26

K620 outperforms P400 by a substantial 36% based on our aggregate benchmark results.

Primary details

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

Place in the ranking675593
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.832.37
Power efficiency9.908.95
ArchitecturePascal (2016−2021)Maxwell (2014−2017)
GPU code nameGP107GM107
Market segmentWorkstationWorkstation
Release date7 February 2017 (7 years ago)22 July 2014 (10 years ago)
Launch price (MSRP)$119.99 $189.89

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Quadro P400 has 19% 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 cores256384
Core clock speed1228 MHz1058 MHz
Boost clock speed1252 MHz1124 MHz
Number of transistors3,300 million1,870 million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)30 Watt41 Watt
Texture fill rate20.0326.98
Floating-point processing power0.641 TFLOPS0.8632 TFLOPS
ROPs1616
TMUs1624

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 mm160 mm
Width1-slot1" (2.5 cm)
Supplementary power connectorsNoneNone

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 typeGDDR5128 Bit
Maximum RAM amount2 GB2 GB
Memory bus width64 Bit128 Bit
Memory clock speed1002 MHz900 MHz
Memory bandwidth32.06 GB/sUp to 29 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-DisplayPort1x DVI, 1x DisplayPort
Number of simultaneous displaysno data4

Supported technologies

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

3D Vision Prono data+
Mosaicno data+
nView Desktop Managementno data+

API compatibility

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

DirectX12 (12_1)12
Shader Model6.45.1
OpenGL4.64.5
OpenCL1.21.2
Vulkan1.2.1311.1.126
CUDA6.15.0

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.

Quadro P400 4.26
Quadro K620 5.78
+35.7%

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 1644
Quadro K620 2231
+35.7%

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

Quadro P400 5623
Quadro K620 6681
+18.8%

GeekBench 5 Vulkan

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.

Quadro P400 5134
Quadro K620 5929
+15.5%

GeekBench 5 CUDA

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses CUDA API by NVIDIA.

Quadro P400 5691
Quadro K620 6653
+16.9%

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 4.26 5.78
Recency 7 February 2017 22 July 2014
Chip lithography 14 nm 28 nm
Power consumption (TDP) 30 Watt 41 Watt

Quadro P400 has an age advantage of 2 years, a 100% more advanced lithography process, and 36.7% lower power consumption.

Quadro K620, on the other hand, has a 35.7% higher aggregate performance score.

The Quadro K620 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 Quadro K620
Quadro K620

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.


4.1 486 votes

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3.7 604 votes

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Questions & comments

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