GeForce GT 640M Mac Edition: specs and benchmarks
Aggregated performance score
It provides poor gaming and benchmark performance at 1.05% of a leader's which is NVIDIA GeForce RTX 4090.
Summary
NVIDIA started GeForce GT 640M Mac Edition sales 3 February 2013. This is a Kepler architecture desktop card based on 28 nm manufacturing process and primarily aimed at office use. 512 MB of GDDR5 memory clocked at 5 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 40 GB/s.
Compatibility-wise, this is card attached via PCIe 3.0 x16 interface. No additional power connector is required, and power consumption is at 32 Watt.
General info
Some basic facts about GeForce GT 640M Mac Edition: architecture, market segment, release date etc.
| Place in performance ranking | 1053 | |
| Place by popularity | not in top-100 | |
| Architecture | Kepler (2012−2018) | |
| GPU code name | GK107 | |
| Market segment | Desktop | |
| Release date | 3 February 2013 (11 years old) | |
| Current price | $50 | of 168889 (A100 PCIe 80 GB) |
Technical specs
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 cores | 384 | of 20480 (Data Center GPU Max NEXT) |
| Core clock speed | 745 MHz | of 2610 (Radeon RX 6500 XT) |
| Number of transistors | 1,270 million | of 14400 (GeForce GTX 1070 SLI Mobile) |
| Manufacturing process technology | 28 nm | of 4 (Radeon 780M) |
| Power consumption (TDP) | 32 Watt | of 2400 (Data Center GPU Max Subsystem) |
| Texture fill rate | 23.84 | of 969.9 (H100 SXM5 96 GB) |
| Floating-point performance | 572.2 gflops | of 16384 (Radeon Pro Duo) |
Size and 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).
| Interface | PCIe 3.0 x16 |
Memory
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 type | GDDR5 | |
| Maximum RAM amount | 512 MB | of 192 (Radeon Instinct MI300X) |
| Memory bus width | 64 Bit | of 8192 (Radeon Instinct MI250X) |
| Memory clock speed | 5000 MHz | of 23000 (GeForce RTX 4080 SUPER) |
| Memory bandwidth | 40 GB/s | of 3276 (Aldebaran) |
Video outputs and ports
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 Connectors | No outputs |
API support
APIs supported by GeForce GT 640M Mac Edition, sometimes including their particular versions.
| DirectX | 12 (11_0) | |
| Shader Model | 5.1 | |
| OpenGL | 4.6 | |
| OpenCL | 1.2 | |
| Vulkan | 1.1.126 | |
| CUDA | 3.0 |
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 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.
We have no data on GeForce GT 640M Mac Edition benchmark results.
Send your test results of GeForce GT 640M Mac Edition.
AMD equivalent
According to our data, the closest AMD alternative to GeForce GT 640M Mac Edition is Radeon E4690, which is nearly equal in speed and lower by 2 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.
