GeForce GT 420M vs 940M

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Aggregate performance score

We've compared GeForce 940M and GeForce GT 420M, covering specs and all relevant benchmarks.

GeForce 940M
2015
4 GB DDR3, 75 Watt
2.91
+183%

GeForce 940M outperforms GT 420M by a whopping 183% based on our aggregate benchmark results.

Primary details

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

Place in performance ranking7841107
Place by popularitynot in top-100not in top-100
ArchitectureMaxwell (2014−2018)Fermi (2010−2014)
GPU code nameN16S-GT-S/BN11P-GE
Market segmentLaptopLaptop
Release date12 March 2015 (9 years ago)3 September 2010 (14 years ago)

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 cores38496
CUDA coresno data96
Core clock speed1072 MHz500 MHz
Boost clock speed1176 MHzno data
Number of transistors1,870 million585 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)75 Watt23 Watt
Texture fill rate28.228.000
Floating-point performance0.9032 gflops0.192 gflops

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 sizedmedium sized
Bus supportPCI Express 3.0no data
InterfacePCIe 3.0 x8PCIe 2.0 x16

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(G)DDR3
Maximum RAM amount4 GB1 GB
Memory bus width64 Bit128 Bit
Memory clock speed2000 MHz800 MHz
Memory bandwidth14.4 GB/s25.6 GB/s
Shared memory--

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

DirectX12 (11_0)12 API
Shader Model5.15.1
OpenGL4.54.5
OpenCL1.21.1
Vulkan1.1.126N/A
CUDA++

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 940M 2.91
+183%
GT 420M 1.03

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.

GeForce 940M 1123
+183%
GT 420M 397

3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

GeForce 940M 7531
+147%
GT 420M 3051

3DMark 11 Performance GPU

3DMark 11 is an obsolete DirectX 11 benchmark by Futuremark. It used four tests based on two scenes, one being few submarines exploring the submerged wreck of a sunken ship, the other is an abandoned temple deep in the jungle. All the tests are heavy with volumetric lighting and tessellation, and despite being done in 1280x720 resolution, are relatively taxing. Discontinued in January 2020, 3DMark 11 is now superseded by Time Spy.

GeForce 940M 2406
+251%
GT 420M 685

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 940M 5888
+272%
GT 420M 1583

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.

GeForce 940M 11
+83.3%
GT 420M 6

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 HD20
+25%
16
−25%
1440p96
+220%
30−35
−220%
4K34
+183%
12−14
−183%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 6−7
+100%
3−4
−100%

Full HD
Medium Preset

Assassin's Creed Odyssey 9−10
+80%
5−6
−80%
Assassin's Creed Valhalla 1−2 0−1
Battlefield 5 15
+200%
5−6
−200%
Call of Duty: Modern Warfare 10
+150%
4−5
−150%
Cyberpunk 2077 6−7
+100%
3−4
−100%
Far Cry 5 12
+1100%
1−2
−1100%
Far Cry New Dawn 15
+650%
2−3
−650%
Forza Horizon 4 41 0−1
Hitman 3 8−9
+60%
5−6
−60%
Horizon Zero Dawn 21−24
+69.2%
12−14
−69.2%
Metro Exodus 3−4
+200%
1−2
−200%
Red Dead Redemption 2 14
+1300%
1−2
−1300%
Shadow of the Tomb Raider 21
+200%
7−8
−200%
Watch Dogs: Legion 35−40
+21.9%
30−35
−21.9%

Full HD
High Preset

Assassin's Creed Odyssey 9−10
+80%
5−6
−80%
Assassin's Creed Valhalla 1−2 0−1
Battlefield 5 5−6
+400%
1−2
−400%
Call of Duty: Modern Warfare 7−8
+75%
4−5
−75%
Cyberpunk 2077 6−7
+100%
3−4
−100%
Far Cry 5 10
+900%
1−2
−900%
Far Cry New Dawn 8−9
+300%
2−3
−300%
Forza Horizon 4 34 0−1
Hitman 3 8−9
+60%
5−6
−60%
Horizon Zero Dawn 21−24
+69.2%
12−14
−69.2%
Metro Exodus 3−4
+200%
1−2
−200%
Red Dead Redemption 2 7−8
+600%
1−2
−600%
Shadow of the Tomb Raider 12−14
+71.4%
7−8
−71.4%
The Witcher 3: Wild Hunt 24
+118%
10−12
−118%
Watch Dogs: Legion 35−40
+21.9%
30−35
−21.9%

Full HD
Ultra Preset

Assassin's Creed Odyssey 9−10
+80%
5−6
−80%
Assassin's Creed Valhalla 1−2 0−1
Call of Duty: Modern Warfare 7−8
+75%
4−5
−75%
Cyberpunk 2077 6−7
+100%
3−4
−100%
Far Cry 5 8
+700%
1−2
−700%
Forza Horizon 4 14−16 0−1
Hitman 3 8−9
+60%
5−6
−60%
Horizon Zero Dawn 21−24
+69.2%
12−14
−69.2%
Shadow of the Tomb Raider 12−14
+71.4%
7−8
−71.4%
The Witcher 3: Wild Hunt 6
−83.3%
10−12
+83.3%
Watch Dogs: Legion 35−40
+21.9%
30−35
−21.9%

Full HD
Epic Preset

Red Dead Redemption 2 10
+900%
1−2
−900%

1440p
High Preset

Battlefield 5 5−6
+400%
1−2
−400%
Far Cry New Dawn 4−5
+300%
1−2
−300%

1440p
Ultra Preset

Assassin's Creed Odyssey 2−3
+100%
1−2
−100%
Call of Duty: Modern Warfare 2−3 0−1
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 3−4
+200%
1−2
−200%
Hitman 3 8−9
+14.3%
7−8
−14.3%
Horizon Zero Dawn 7−8
+75%
4−5
−75%
The Witcher 3: Wild Hunt 2−3 0−1
Watch Dogs: Legion 16−18
+325%
4−5
−325%

1440p
Epic Preset

Red Dead Redemption 2 6−7
+50%
4−5
−50%

4K
High Preset

Battlefield 5 1−2 0−1
Far Cry New Dawn 2−3 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
+100%
1−2
−100%
Assassin's Creed Valhalla 1−2 0−1
Call of Duty: Modern Warfare 1−2 0−1
Far Cry 5 1−2 0−1
Forza Horizon 4 0−1 0−1
Watch Dogs: Legion 1−2 0−1

4K
Epic Preset

Red Dead Redemption 2 4−5
+100%
2−3
−100%

This is how GeForce 940M and GT 420M compete in popular games:

  • GeForce 940M is 25% faster in 1080p
  • GeForce 940M is 220% faster in 1440p
  • GeForce 940M is 183% faster in 4K

Here's the range of performance differences observed across popular games:

  • in Red Dead Redemption 2, with 1080p resolution and the Medium Preset, the GeForce 940M is 1300% faster.
  • in The Witcher 3: Wild Hunt, with 1080p resolution and the Ultra Preset, the GT 420M is 83% faster.

All in all, in popular games:

  • GeForce 940M is ahead in 41 test (95%)
  • GT 420M is ahead in 1 test (2%)
  • there's a draw in 1 test (2%)

Pros & cons summary


Performance score 2.91 1.03
Recency 12 March 2015 3 September 2010
Maximum RAM amount 4 GB 1 GB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 75 Watt 23 Watt

GeForce 940M has a 182.5% higher aggregate performance score, an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

GT 420M, on the other hand, has 226.1% lower power consumption.

The GeForce 940M is our recommended choice as it beats the GeForce GT 420M 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 940M
GeForce 940M
NVIDIA GeForce GT 420M
GeForce GT 420M

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.


3.3 652 votes

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Questions & comments

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