GeForce GT 640M Mac Edition vs GTX 850M

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Aggregate performance score

We've compared GeForce GTX 850M and GeForce GT 640M Mac Edition, covering specs and all relevant benchmarks.

GTX 850M
2014
2 GB DDR3, 45 Watt
6.52
+527%

GTX 850M outperforms GT 640M Mac Edition by a whopping 527% based on our aggregate benchmark results.

Primary details

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

Place in the ranking5721097
Place by popularitynot in top-100not in top-100
Power efficiency9.932.23
ArchitectureMaxwell (2014−2017)Kepler (2012−2018)
GPU code nameGM107GK107
Market segmentLaptopLaptop
Release date12 March 2014 (10 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 cores640384
Core clock speedUp to 936 MHz745 MHz
Number of transistors1,870 million1,270 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)45 Watt32 Watt
Texture fill rate36.0823.84
Floating-point processing power1.155 TFLOPS0.5722 TFLOPS
ROPs168
TMUs4032

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 2.0, PCI Express 3.0no data
InterfacePCIe 3.0 x16PCIe 3.0 x16
SLI options+-

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 typeDDR3GDDR5
Maximum RAM amount2 GB512 MB
Standard memory configurationDDR3 or GDDR5no data
Memory bus width128 Bit64 Bit
Memory clock speedUp to 2500 MHz1250 MHz
Memory bandwidth80.0 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
eDP 1.2 signal supportUp to 3840x2160no data
LVDS signal supportUp to 1920x1200no data
VGA аnalog display supportUp to 2048x1536no data
DisplayPort Multimode (DP++) supportUp to 3840x2160no data
HDMI+-
HDCP content protection+-
7.1 channel HD audio on HDMI+-
TrueHD and DTS-HD audio bitstreaming+-

Supported technologies

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

H.264, VC1, MPEG2 1080p video decoder+-
Optimus+-
Ansel+no data

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
OpenCL1.11.2
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:

900p84
+600%
12−14
−600%
Full HD31
+675%
4−5
−675%
4K10
+900%
1−2
−900%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 10−11
+900%
1−2
−900%

Full HD
Medium Preset

Assassin's Creed Odyssey 16−18
+750%
2−3
−750%
Assassin's Creed Valhalla 8−9
+700%
1−2
−700%
Battlefield 5 18−20
+800%
2−3
−800%
Call of Duty: Modern Warfare 14−16
+600%
2−3
−600%
Cyberpunk 2077 10−11
+900%
1−2
−900%
Far Cry 5 14−16
+600%
2−3
−600%
Far Cry New Dawn 18−20
+800%
2−3
−800%
Forza Horizon 4 40−45
+617%
6−7
−617%
Hitman 3 12−14
+550%
2−3
−550%
Horizon Zero Dawn 35−40
+550%
6−7
−550%
Metro Exodus 18−20
+800%
2−3
−800%
Red Dead Redemption 2 18−20
+800%
2−3
−800%
Shadow of the Tomb Raider 21−24
+633%
3−4
−633%
Watch Dogs: Legion 50−55
+550%
8−9
−550%

Full HD
High Preset

Assassin's Creed Odyssey 16−18
+750%
2−3
−750%
Assassin's Creed Valhalla 8−9
+700%
1−2
−700%
Battlefield 5 18−20
+800%
2−3
−800%
Call of Duty: Modern Warfare 14−16
+600%
2−3
−600%
Cyberpunk 2077 10−11
+900%
1−2
−900%
Far Cry 5 14−16
+600%
2−3
−600%
Far Cry New Dawn 18−20
+800%
2−3
−800%
Forza Horizon 4 40−45
+617%
6−7
−617%
Hitman 3 12−14
+550%
2−3
−550%
Horizon Zero Dawn 35−40
+550%
6−7
−550%
Metro Exodus 18−20
+800%
2−3
−800%
Red Dead Redemption 2 18−20
+800%
2−3
−800%
Shadow of the Tomb Raider 21−24
+633%
3−4
−633%
The Witcher 3: Wild Hunt 58
+544%
9−10
−544%
Watch Dogs: Legion 50−55
+550%
8−9
−550%

Full HD
Ultra Preset

Assassin's Creed Odyssey 16−18
+750%
2−3
−750%
Assassin's Creed Valhalla 8−9
+700%
1−2
−700%
Call of Duty: Modern Warfare 14−16
+600%
2−3
−600%
Cyberpunk 2077 10−11
+900%
1−2
−900%
Far Cry 5 14−16
+600%
2−3
−600%
Forza Horizon 4 40−45
+617%
6−7
−617%
Hitman 3 12−14
+550%
2−3
−550%
Horizon Zero Dawn 35−40
+550%
6−7
−550%
Shadow of the Tomb Raider 21−24
+633%
3−4
−633%
The Witcher 3: Wild Hunt 11
+1000%
1−2
−1000%
Watch Dogs: Legion 50−55
+550%
8−9
−550%

Full HD
Epic Preset

Red Dead Redemption 2 18−20
+800%
2−3
−800%

1440p
High Preset

Battlefield 5 12−14
+1100%
1−2
−1100%
Far Cry New Dawn 10−11
+900%
1−2
−900%

1440p
Ultra Preset

Assassin's Creed Odyssey 6−7 0−1
Assassin's Creed Valhalla 2−3 0−1
Call of Duty: Modern Warfare 6−7 0−1
Cyberpunk 2077 3−4 0−1
Far Cry 5 7−8
+600%
1−2
−600%
Forza Horizon 4 21−24
+600%
3−4
−600%
Hitman 3 10−11
+900%
1−2
−900%
Horizon Zero Dawn 14−16
+600%
2−3
−600%
Metro Exodus 6−7 0−1
Shadow of the Tomb Raider 3−4 0−1
The Witcher 3: Wild Hunt 6−7 0−1
Watch Dogs: Legion 40−45
+583%
6−7
−583%

1440p
Epic Preset

Red Dead Redemption 2 10−12
+1000%
1−2
−1000%

4K
High Preset

Battlefield 5 5−6 0−1
Far Cry New Dawn 4−5 0−1
Hitman 3 3−4 0−1
Horizon Zero Dawn 18−20
+800%
2−3
−800%
Metro Exodus 4−5 0−1
The Witcher 3: Wild Hunt 3−4 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 4−5 0−1
Assassin's Creed Valhalla 3−4 0−1
Call of Duty: Modern Warfare 3−4 0−1
Cyberpunk 2077 0−1 0−1
Far Cry 5 3−4 0−1
Forza Horizon 4 7−8
+600%
1−2
−600%
Shadow of the Tomb Raider 1−2 0−1
Watch Dogs: Legion 2−3 0−1

4K
Epic Preset

Red Dead Redemption 2 7−8
+600%
1−2
−600%

This is how GTX 850M and GT 640M Mac Edition compete in popular games:

  • GTX 850M is 600% faster in 900p
  • GTX 850M is 675% faster in 1080p
  • GTX 850M is 900% faster in 4K

Pros & cons summary


Performance score 6.52 1.04
Recency 12 March 2014 3 February 2013
Maximum RAM amount 2 GB 512 MB
Power consumption (TDP) 45 Watt 32 Watt

GTX 850M has a 526.9% higher aggregate performance score, an age advantage of 1 year, and a 300% higher maximum VRAM amount.

GT 640M Mac Edition, on the other hand, has 40.6% lower power consumption.

The GeForce GTX 850M 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 GTX 850M
GeForce GTX 850M
NVIDIA GeForce GT 640M Mac Edition
GeForce GT 640M Mac Edition

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.


3.8 545 votes

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3.1 9 votes

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Questions & comments

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