GeForce GT 820M vs 940MX

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Aggregate performance score

We've compared GeForce 940MX and GeForce GT 820M, covering specs and all relevant benchmarks.

GeForce 940MX
2016
4 GB DDR3, GDDR5, 23 Watt
3.94
+172%

940MX outperforms GT 820M by a whopping 172% based on our aggregate benchmark results.

Primary details

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

Place in the ranking702994
Place by popularity89not in top-100
Power efficiency11.796.65
ArchitectureMaxwell (2014−2017)Fermi 2.0 (2010−2014)
GPU code nameGM107GF117
Market segmentLaptopLaptop
Release date28 June 2016 (8 years ago)27 November 2013 (11 years ago)

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 cores51296
Core clock speed795 MHz775 MHz
Boost clock speed861 MHzno data
Number of transistors1,870 million585 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)23 Watt15 Watt
Texture fill rate27.5512.40
Floating-point processing power0.8817 TFLOPS0.2976 TFLOPS
ROPs88
TMUs3216

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).

Laptop sizemedium sizedno data
Bus supportPCI Express 3.0no data
InterfacePCIe 3.0 x8PCIe 2.0 x16
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 typeDDR3, GDDR5DDR3
Maximum RAM amount4 GB1 GB
Memory bus width64 Bit64 Bit
Memory clock speed1253 MHz900 MHz
Memory bandwidth40.1 GB/s14.4 GB/s
Shared memory-no 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 ConnectorsNo outputsNo outputs

Supported technologies

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

GPU Boost2.0no data
Optimus+-
GameWorks+-

API compatibility

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

DirectX12 (11_0)12 (11_0)
Shader Model5.15.1
OpenGL4.54.6
OpenCL1.21.1
Vulkan1.1.126N/A
CUDA+2.1

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.

GeForce 940MX 3.94
+172%
GT 820M 1.45

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.

GeForce 940MX 1516
+171%
GT 820M 559

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.

GeForce 940MX 6331
+155%
GT 820M 2478

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 HD17
+183%
6−7
−183%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2 10−12
+175%
4−5
−175%
Cyberpunk 2077 8−9
+300%
2−3
−300%
Elden Ring 9−10
+200%
3−4
−200%

Full HD
Medium Preset

Battlefield 5 10−12
+175%
4−5
−175%
Counter-Strike 2 10−12
+175%
4−5
−175%
Cyberpunk 2077 8−9
+300%
2−3
−300%
Forza Horizon 4 16−18
+183%
6−7
−183%
Metro Exodus 11
+175%
4−5
−175%
Red Dead Redemption 2 12−14
+225%
4−5
−225%
Valorant 6−7
+200%
2−3
−200%

Full HD
High Preset

Battlefield 5 11
+175%
4−5
−175%
Counter-Strike 2 10−12
+175%
4−5
−175%
Cyberpunk 2077 8−9
+300%
2−3
−300%
Dota 2 25
+178%
9−10
−178%
Elden Ring 9−10
+200%
3−4
−200%
Far Cry 5 26
+189%
9−10
−189%
Fortnite 16
+220%
5−6
−220%
Forza Horizon 4 16−18
+183%
6−7
−183%
Grand Theft Auto V 13
+225%
4−5
−225%
Metro Exodus 8−9
+300%
2−3
−300%
PLAYERUNKNOWN'S BATTLEGROUNDS 30
+200%
10−11
−200%
Red Dead Redemption 2 12−14
+225%
4−5
−225%
The Witcher 3: Wild Hunt 12
+200%
4−5
−200%
Valorant 6−7
+200%
2−3
−200%
World of Tanks 58
+176%
21−24
−176%

Full HD
Ultra Preset

Battlefield 5 10−12
+175%
4−5
−175%
Counter-Strike 2 10−12
+175%
4−5
−175%
Cyberpunk 2077 8−9
+300%
2−3
−300%
Dota 2 46
+188%
16−18
−188%
Far Cry 5 20−22
+186%
7−8
−186%
Forza Horizon 4 16−18
+183%
6−7
−183%
PLAYERUNKNOWN'S BATTLEGROUNDS 10
+233%
3−4
−233%
Valorant 6−7
+200%
2−3
−200%

1440p
High Preset

Dota 2 2−3 0−1
Elden Ring 4−5
+300%
1−2
−300%
Grand Theft Auto V 3−4
+200%
1−2
−200%
PLAYERUNKNOWN'S BATTLEGROUNDS 27−30
+180%
10−11
−180%
Red Dead Redemption 2 3−4
+200%
1−2
−200%
World of Tanks 27−30
+180%
10−11
−180%

1440p
Ultra Preset

Battlefield 5 5−6
+400%
1−2
−400%
Counter-Strike 2 9−10
+200%
3−4
−200%
Cyberpunk 2077 3−4
+200%
1−2
−200%
Far Cry 5 9−10
+200%
3−4
−200%
Forza Horizon 4 4−5
+300%
1−2
−300%
Metro Exodus 1−2 0−1
The Witcher 3: Wild Hunt 5−6
+400%
1−2
−400%
Valorant 12−14
+200%
4−5
−200%

4K
High Preset

Dota 2 16−18
+220%
5−6
−220%
Elden Ring 2−3 0−1
Grand Theft Auto V 16−18
+220%
5−6
−220%
PLAYERUNKNOWN'S BATTLEGROUNDS 10−12
+175%
4−5
−175%
Red Dead Redemption 2 2−3 0−1
The Witcher 3: Wild Hunt 16−18
+220%
5−6
−220%

4K
Ultra Preset

Battlefield 5 3−4
+200%
1−2
−200%
Cyberpunk 2077 1−2 0−1
Dota 2 16−18
+220%
5−6
−220%
Far Cry 5 4−5
+300%
1−2
−300%
Fortnite 3−4
+200%
1−2
−200%
Forza Horizon 4 2−3 0−1
Valorant 4−5
+300%
1−2
−300%

This is how GeForce 940MX and GT 820M compete in popular games:

  • GeForce 940MX is 183% faster in 1080p

Pros & cons summary


Performance score 3.94 1.45
Recency 28 June 2016 27 November 2013
Maximum RAM amount 4 GB 1 GB
Power consumption (TDP) 23 Watt 15 Watt

GeForce 940MX has a 171.7% higher aggregate performance score, an age advantage of 2 years, and a 300% higher maximum VRAM amount.

GT 820M, on the other hand, has 53.3% lower power consumption.

The GeForce 940MX is our recommended choice as it beats the GeForce GT 820M 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 GeForce 940MX
GeForce 940MX
NVIDIA GeForce GT 820M
GeForce GT 820M

Other comparisons

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Community ratings

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


3.4 2237 votes

Rate GeForce 940MX on a scale of 1 to 5:

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3.3 124 votes

Rate GeForce GT 820M on a scale of 1 to 5:

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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.