Quadro K620M vs GeForce 840A

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Combined performance score

GeForce 840A
3.04
+1.7%

GeForce 840A outperforms Quadro K620M by 2% in our combined benchmark results.

General info

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

Place in performance ranking724735
Place by popularitynot in top-100not in top-100
ArchitectureMaxwell (2014−2018)Maxwell (2014−2018)
GPU code nameGM108GM108
Market segmentDesktopMobile workstation
Release date17 March 2014 (10 years old)1 March 2015 (9 years old)

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384384
Core clock speed1029 MHz1029 MHz
Boost clock speed1124 MHz1124 MHz
Manufacturing process technology28 nm28 nm
Power consumption (TDP)33 Watt30 Watt
Texture fill rate17.9817.98
Floating-point performance863.2 gflops863.2 gflops

Size and compatibility

Information on GeForce 840A and Quadro K620M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

InterfacePCIe 3.0 x8MXM-A (3.0)
WidthIGPno data
Supplementary power connectorsno dataNone

Memory

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 typeDDR3DDR3
Maximum RAM amount2 GB2 GB
Memory bus width64 Bit64 Bit
Memory clock speed2002 MHz2000 MHz
Memory bandwidth16.02 GB/s14.4 GB/s
Shared memoryno data-

Video outputs and ports

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 ConnectorsNo outputsNo outputs
Display Portno data1.2

Technologies

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

Optimusno data+
nView Display Managementno data+
Optimusno data+

API support

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

DirectX12 (11_0)12
Shader Model5.15
OpenGL4.64.5
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA5.0+

Synthetic benchmark performance

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


Combined synthetic benchmark score

This is our combined benchmark performance 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.

GeForce 840A 3.04
+1.7%
Quadro K620M 2.99

GeForce 840A outperforms Quadro K620M by 2% in our combined benchmark results.


Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.

Benchmark coverage: 25%

GeForce 840A 1179
+1.8%
Quadro K620M 1158

GeForce 840A outperforms Quadro K620M by 2% in Passmark.

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.

Benchmark coverage: 9%

GeForce 840A 5596
Quadro K620M 5984
+6.9%

Quadro K620M outperforms GeForce 840A by 7% in GeekBench 5 OpenCL.

Gaming performance

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

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD21−24
−4.8%
22
+4.8%

Advantages and disadvantages


Performance score 3.04 2.99
Recency 17 March 2014 1 March 2015
Power consumption (TDP) 33 Watt 30 Watt

We couldn't decide between GeForce 840A and Quadro K620M. The differences in performance seem too small.

Be aware that GeForce 840A is a desktop card while Quadro K620M is a mobile workstation one.


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

User ratings

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


NVIDIA GeForce 840A
GeForce 840A
NVIDIA Quadro K620M
Quadro K620M

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User ratings: view and submit

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


3.3 8 votes

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4.3 4 votes

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Questions and comments

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