GeForce GT 640M Mac Edition: specs and benchmarks
Aggregate performance score
GeForce GT 640M Mac Edition provides poor gaming and benchmark performance at 0.95% of a leader's which is GeForce RTX 5090 D.
Contents
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 ranking | 1184 | |
| Place by popularity | not in top-100 | |
| Power efficiency | 2.30 | of 100.00 (Radeon 890M) |
| Architecture | Kepler (2012−2018) | |
| GPU code name | GK107 | |
| Market segment | Laptop | |
| Release date | 3 February 2013 (13 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 cores | 384 | of 57344 (Rubin Ultra GPU) |
| Core clock speed | 745 MHz | of 2670 MHz (Arc B580) |
| Number of transistors | 1,270 million | of 670,000 million (Rubin Ultra GPU) |
| Manufacturing process technology | 28 nm | of 2 nm (Radeon Instinct MI455X) |
| Power consumption (TDP) | 32 Watt | of 3600 Watt (Rubin Ultra GPU) |
| Texture fill rate | 23.84 | of 4,062.5 (Rubin Ultra GPU) |
| Floating-point processing power | 0.5722 TFLOPS | of 260 (Rubin Ultra GPU) |
| ROPs | 8 | of 512 (Moore Threads MTT S4000) |
| TMUs | 32 | of 1792 (Rubin Ultra GPU) |
| L1 Cache | 32 KB | of 112 MB (Rubin Ultra GPU) |
| L2 Cache | 128 KB | of 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).
| Interface | PCIe 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 type | GDDR5 | |
| Maximum RAM amount | 512 MB | of 432 GB (Radeon Instinct MI455X) |
| Memory bus width | 64 Bit | of 32768 Bit (Rubin Ultra GPU) |
| Memory clock speed | 1250 MHz | of 16000 GB/s (GeForce RTX 4050 Mobile) |
| Memory bandwidth | 40 GB/s | of 3,277 GB/s (Radeon Instinct MI250X) |
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 Connectors | No outputs |
API and SDK 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 score.
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 R2 (Stoney Ridge), 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.
