GeForce GT 640M Mac Edition vs 940MX

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Aggregate performance score

We've compared GeForce 940MX and GeForce GT 640M Mac Edition, covering specs and all relevant benchmarks.

GeForce 940MX
2016
4 GB DDR3, GDDR5, 23 Watt
3.94
+279%

940MX outperforms GT 640M Mac Edition by a whopping 279% based on our aggregate benchmark results.

Primary details

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

Place in the ranking7001096
Place by popularity89not in top-100
Power efficiency11.862.25
ArchitectureMaxwell (2014−2017)Kepler (2012−2018)
GPU code nameGM107GK107
Market segmentLaptopLaptop
Release date28 June 2016 (8 years ago)3 February 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 cores512384
Core clock speed795 MHz745 MHz
Boost clock speed861 MHzno data
Number of transistors1,870 million1,270 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)23 Watt32 Watt
Texture fill rate27.5523.84
Floating-point processing power0.8817 TFLOPS0.5722 TFLOPS
ROPs88
TMUs3232

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 3.0 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, GDDR5GDDR5
Maximum RAM amount4 GB512 MB
Memory bus width64 Bit64 Bit
Memory clock speed1253 MHz1250 MHz
Memory bandwidth40.1 GB/s40 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 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)12 (11_0)
Shader Model5.15.1
OpenGL4.54.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA+3.0

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
+325%
4−5
−325%

FPS performance in popular games

  • Full HD
    Low Preset
  • Full HD
    Medium Preset
  • Full HD
    High Preset
  • Full HD
    Ultra Preset
  • Full HD
    Epic Preset
  • 1440p
    High Preset
  • 1440p
    Ultra Preset
  • 1440p
    Epic Preset
  • 4K
    High Preset
  • 4K
    Ultra Preset
  • 4K
    Epic Preset
Cyberpunk 2077 7−8
+600%
1−2
−600%
Assassin's Creed Odyssey 11
+450%
2−3
−450%
Assassin's Creed Valhalla 3−4 0−1
Battlefield 5 14
+367%
3−4
−367%
Call of Duty: Modern Warfare 9−10
+350%
2−3
−350%
Cyberpunk 2077 7−8
+600%
1−2
−600%
Far Cry 5 11
+450%
2−3
−450%
Far Cry New Dawn 10−12
+450%
2−3
−450%
Forza Horizon 4 71
+294%
18−20
−294%
Hitman 3 9−10
+350%
2−3
−350%
Horizon Zero Dawn 27−30
+286%
7−8
−286%
Metro Exodus 7−8
+600%
1−2
−600%
Red Dead Redemption 2 10−11
+400%
2−3
−400%
Shadow of the Tomb Raider 19
+280%
5−6
−280%
Watch Dogs: Legion 40−45
+320%
10−11
−320%
Assassin's Creed Odyssey 14
+367%
3−4
−367%
Assassin's Creed Valhalla 3−4 0−1
Battlefield 5 10
+400%
2−3
−400%
Call of Duty: Modern Warfare 9−10
+350%
2−3
−350%
Cyberpunk 2077 7−8
+600%
1−2
−600%
Far Cry 5 11
+450%
2−3
−450%
Far Cry New Dawn 10−12
+450%
2−3
−450%
Forza Horizon 4 41
+310%
10−11
−310%
Hitman 3 9−10
+350%
2−3
−350%
Horizon Zero Dawn 27−30
+286%
7−8
−286%
Metro Exodus 7−8
+600%
1−2
−600%
Red Dead Redemption 2 10−11
+400%
2−3
−400%
Shadow of the Tomb Raider 14−16
+400%
3−4
−400%
The Witcher 3: Wild Hunt 30
+329%
7−8
−329%
Watch Dogs: Legion 40−45
+320%
10−11
−320%
Assassin's Creed Odyssey 5
+400%
1−2
−400%
Assassin's Creed Valhalla 3−4 0−1
Call of Duty: Modern Warfare 9−10
+350%
2−3
−350%
Cyberpunk 2077 7−8
+600%
1−2
−600%
Far Cry 5 8
+300%
2−3
−300%
Forza Horizon 4 12
+300%
3−4
−300%
Hitman 3 9−10
+350%
2−3
−350%
Horizon Zero Dawn 11
+450%
2−3
−450%
Shadow of the Tomb Raider 14−16
+400%
3−4
−400%
The Witcher 3: Wild Hunt 7
+600%
1−2
−600%
Watch Dogs: Legion 40−45
+320%
10−11
−320%
Red Dead Redemption 2 10−11
+400%
2−3
−400%
Battlefield 5 7−8
+600%
1−2
−600%
Far Cry New Dawn 6−7
+500%
1−2
−500%
Assassin's Creed Odyssey 4−5
+300%
1−2
−300%
Call of Duty: Modern Warfare 3−4 0−1
Cyberpunk 2077 2−3 0−1
Far Cry 5 4−5
+300%
1−2
−300%
Forza Horizon 4 4−5
+300%
1−2
−300%
Hitman 3 8−9
+300%
2−3
−300%
Horizon Zero Dawn 9−10
+350%
2−3
−350%
The Witcher 3: Wild Hunt 3−4 0−1
Watch Dogs: Legion 24−27
+300%
6−7
−300%
Red Dead Redemption 2 8−9
+300%
2−3
−300%
Battlefield 5 2−3 0−1
Far Cry New Dawn 2−3 0−1
Hitman 3 0−1 0−1
Metro Exodus 0−1 0−1
Assassin's Creed Odyssey 3−4 0−1
Assassin's Creed Valhalla 2−3 0−1
Call of Duty: Modern Warfare 1−2 0−1
Cyberpunk 2077 0−1 0−1
Far Cry 5 2−3 0−1
Forza Horizon 4 2−3 0−1
Watch Dogs: Legion 1−2 0−1
Red Dead Redemption 2 5−6
+400%
1−2
−400%

This is how GeForce 940MX and GT 640M Mac Edition compete in popular games:

  • GeForce 940MX is 325% faster in 1080p

Pros & cons summary


Performance score 3.94 1.04
Recency 28 June 2016 3 February 2013
Maximum RAM amount 4 GB 512 MB
Power consumption (TDP) 23 Watt 32 Watt

GeForce 940MX has a 278.8% higher aggregate performance score, an age advantage of 3 years, a 700% higher maximum VRAM amount, and 39.1% lower power consumption.

The GeForce 940MX is our recommended choice as it beats the GeForce GT 640M Mac Edition 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 640M Mac Edition
GeForce GT 640M Mac Edition

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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
2231 vote

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3.1
9 votes

Rate GeForce GT 640M Mac Edition on a scale of 1 to 5:

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Questions & comments

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