GeForce GT 640M Mac Edition: specs and benchmarks

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Aggregate performance score

GeForce GT 640M Mac Edition provides poor gaming and benchmark performance at 0.91% of a leader's which is RTX PRO 5000 Blackwell.

Summary

NVIDIA started GeForce GT 640M Mac Edition sales 3 February 2013. This is a Kepler architecture notebook card based on 28 nm manufacturing process and primarily aimed at office use. 512 MB of GDDR5 memory clocked at 1.25 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 40 GB/s.

Compatibility-wise, this is a graphics card attached via PCIe 3.0 x16 interface. Power consumption is at 32 Watt.

Primary details

Some basic facts about GeForce GT 640M Mac Edition: architecture, market segment, release date etc.

Place in the ranking1150
Place by popularitynot in top-100
Power efficiency2.29of 100.00 (Radeon 890M)
ArchitectureKepler (2012−2018)
GPU code nameGK107
Market segmentLaptop
Release date3 February 2013 (12 years ago)

Detailed specifications

GeForce GT 640M Mac Edition's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GT 640M Mac Edition's performance, but for precise assessment you have to consider its benchmark and gaming test results.

Pipelines / CUDA cores384of 960 (GeForce GTX 660)
Core clock speed745 MHzof 980 (GeForce GT 755M SLI)
Number of transistors1,270 millionof 100,000 million (Data Center GPU Max 1100)
Manufacturing process technology28 nmof 0.003 MB (Arc Graphics 140V)
Power consumption (TDP)32 Wattof 235 (FirePro S9150)
Texture fill rate23.84of 1,968 (RTX PRO 6000 Blackwell)
Floating-point processing power0.5722 TFLOPSof 126 (RTX PRO 6000 Blackwell)
ROPs8of 512 (Moore Threads MTT S4000)
TMUs32of 896 (Data Center GPU Max 1350)
L1 Cache32 KBof 64 MB (Data Center GPU Max 1550)
L2 Cache128 KBof 408 MB (Data Center GPU Max 1350)

Form factor & compatibility

This section provides details about the physical dimensions of GeForce GT 640M Mac Edition and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).

InterfacePCIe 3.0 x16

VRAM capacity and type

Parameters of memory installed on GeForce GT 640M Mac Edition: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.

Memory typeGDDR5
Maximum RAM amount512 MBof 288 GB (Radeon Instinct MI325X)
Memory bus width64 Bitof 384 (GeForce GTX 980 Ti)
Memory clock speed1250 MHzof 16384000 MB (GeForce RTX 4050 Mobile)
Memory bandwidth40 GB/sof 983040 MB (GeForce RTX 5080)

Connectivity and outputs

Types and number of video connectors present on GeForce GT 640M Mac Edition. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.

Display ConnectorsNo outputs

API and SDK compatibility

APIs supported by GeForce GT 640M Mac Edition, sometimes including their particular versions.

DirectX12 (11_0)
Shader Model5.1
OpenGL4.6
OpenCL1.2
Vulkan1.1.126
CUDA3.0

Benchmark performance

Synthetic benchmark performance of GeForce GT 640M Mac Edition. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score.

GT 640M Mac Edition
0.91

We have no data on GeForce GT 640M Mac Edition benchmark results.


Gaming performance

Let's see how good GeForce GT 640M Mac Edition is for gaming. Particular gaming benchmark results are measured in frames per second. Comparisons with game system requirements are included, but remember that sometimes official requirements may reflect reality inaccurately.

Closest competitors

GeForce GT 640M Mac Edition's performance relative to its closest rivals among notebook graphics cards.


AMD equivalent

According to our data, the closest AMD alternative to GeForce GT 640M Mac Edition is Radeon HD 8610G, which is nearly equal in speed and higher by 3 positions in our ranking.

Here are some closest AMD rivals to GeForce GT 640M Mac Edition:

Similar GPUs

Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.

Recommended processors

These processors are most commonly used with GeForce GT 640M Mac Edition according to our statistics.

All comparisons with GeForce GT 640M Mac Edition

Community ratings

Here you can see the user rating of the graphics card, as well as rate it yourself.


3.5 11 votes

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