HD Graphics 12EU vs GeForce GT 640M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 923 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 5.10 | no data |
| Architecture | Kepler (2012−2018) | Generation 5.75 (2010) |
| GPU code name | GK107 | Ironlake |
| Market segment | Laptop | Desktop |
| Release date | 22 March 2012 (14 years ago) | 10 January 2010 (16 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 cores | 384 | 96 |
| Core clock speed | Up to 625 MHz | 533 MHz |
| Boost clock speed | 645 MHz | no data |
| Number of transistors | 1,270 million | 177 million |
| Manufacturing process technology | 28 nm | 45 nm |
| Power consumption (TDP) | 32 Watt | 35 Watt |
| Texture fill rate | 20.00 | 6.396 |
| Floating-point processing power | 0.48 TFLOPS | 0.1023 TFLOPS |
| ROPs | 16 | 2 |
| TMUs | 32 | 12 |
| L1 Cache | 32 KB | no data |
| L2 Cache | 256 KB | no data |
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 size | medium sized | no data |
| Bus support | PCI Express 2.0, PCI Express 3.0 | no data |
| Interface | PCIe 3.0 x16 | QPI |
| Width | no data | IGP |
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 type | DDR3\GDDR5 | System Shared |
| Maximum RAM amount | 2 GB | System Shared |
| Memory bus width | 128bit | System Shared |
| Memory clock speed | 900 MHz | System Shared |
| Memory bandwidth | Up to 64.0 GB/s | no data |
| Shared memory | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | Motherboard Dependent |
| HDMI | + | - |
| HDCP | + | - |
| Maximum VGA resolution | Up to 2048x1536 | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| 3D Blu-Ray | + | - |
| Optimus | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 API | 10.1 |
| Shader Model | 5.1 | 4.1 |
| OpenGL | 4.5 | 2.1 |
| OpenCL | 1.1 | N/A |
| Vulkan | 1.1.126 | N/A |
| CUDA | + | - |
Pros & cons summary
| Recency | 22 March 2012 | 10 January 2010 |
| Chip lithography | 28 nm | 45 nm |
| Power consumption (TDP) | 32 Watt | 35 Watt |
GT 640M has an age advantage of 2 years, a 61% more advanced lithography process, and 9% lower power consumption.
We couldn't decide between GeForce GT 640M and HD Graphics 12EU. We've got no test results to judge.
Be aware that GeForce GT 640M is a notebook graphics card while HD Graphics 12EU is a desktop one.
Other comparisons
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