GeForce 840M vs Quadro K620

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Aggregate performance score

Quadro K620
2014
2 GB 128-bit, 41 Watt
5.77
+105%

Quadro K620 outperforms GeForce 840M by a whopping 105% based on our aggregate benchmark results.

Primary details

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

Place in performance ranking563758
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.240.14
ArchitectureMaxwell (2014−2018)Maxwell (2014−2018)
GPU code nameGM107N15S-GT
Market segmentWorkstationLaptop
Release date22 July 2014 (9 years ago)12 March 2014 (10 years ago)
Launch price (MSRP)$189.89 no data
Current price$286 (1.5x MSRP)$743

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Quadro K620 has 786% better value for money than GeForce 840M.

Detailed specifications

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 speed1058 MHz1029 MHz
Boost clock speed1124 MHz1124 MHz
Number of transistors1,870 millionno data
Manufacturing process technology28 nm28 nm
Power consumption (TDP)41 Watt33 Watt
Texture fill rate26.9817.98
Floating-point performance863.2 gflops863.2 gflops

Form factor & compatibility

Information on Quadro K620 and GeForce 840M 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.

Laptop sizeno datamedium sized
Bus supportno dataPCI Express 2.0, PCI Express 3.0
InterfacePCIe 2.0 x16PCIe 3.0 x8
Length160 mmno data
Width1" (2.5 cm)no data
Supplementary power connectorsNoneno data

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 BitDDR3
Maximum RAM amount2 GB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed1800 MHz2000 MHz
Memory bandwidthUp to 29 GB/s16.02 GB/s
Shared memoryno data-

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 ConnectorsDVI-I DPNo 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.

GPU Boostno data2.0
Optimusno data+
GameWorksno data+
3D Vision Pro+no data
Mosaic+no data
nView Desktop Management+no data

API compatibility

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

DirectX1212 (11_0)
Shader Model55.1
OpenGL4.54.5
OpenCL1.21.2
Vulkan+1.1.126
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.

Quadro K620 5.77
+105%
GeForce 840M 2.81

Quadro K620 outperforms GeForce 840M by 105% based on our aggregate 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%

Quadro K620 2232
+105%
GeForce 840M 1087

Quadro K620 outperforms GeForce 840M by 105% 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%

Quadro K620 6615
+17%
GeForce 840M 5653

Quadro K620 outperforms GeForce 840M by 17% in GeekBench 5 OpenCL.

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.

Benchmark coverage: 5%

Quadro K620 5878
+21.4%
GeForce 840M 4843

Quadro K620 outperforms GeForce 840M by 21% in GeekBench 5 Vulkan.

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.

Benchmark coverage: 4%

Quadro K620 6653
+19.6%
GeForce 840M 5561

Quadro K620 outperforms GeForce 840M by 20% in GeekBench 5 CUDA.

Octane Render OctaneBench

This is a special benchmark measuring graphics card performance in OctaneRender, which is a realistic GPU rendering engine by OTOY Inc., available either as a standalone program, or as a plugin for 3DS Max, Cinema 4D and many other apps. It renders four different static scenes, then compares render times with a reference GPU which is currently GeForce GTX 980. This benchmark has nothing to do with gaming and is aimed at professional 3D graphics artists.

Benchmark coverage: 4%

Quadro K620 19
+58.3%
GeForce 840M 12

Quadro K620 outperforms GeForce 840M by 58% in Octane Render OctaneBench.

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:

900p90−95
+100%
45
−100%
Full HD30−35
+76.5%
17
−76.5%

Pros & cons summary


Performance score 5.77 2.81
Recency 22 July 2014 12 March 2014
Maximum RAM amount 2 GB 4 GB
Power consumption (TDP) 41 Watt 33 Watt

The Quadro K620 is our recommended choice as it beats the GeForce 840M in performance tests.

Be aware that Quadro K620 is a workstation card while GeForce 840M is a notebook 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

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NVIDIA Quadro K620
Quadro K620
NVIDIA GeForce 840M
GeForce 840M

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Community ratings

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


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Questions & comments

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