Riva TNT2 M64 Vanta vs GeForce GT 645M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 910 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 5.43 | no data |
| Architecture | Kepler (2012−2018) | Fahrenheit (1998−2000) |
| GPU code name | GK107 | NV5 B5 |
| Market segment | Laptop | Desktop |
| Release date | 1 October 2012 (13 years ago) | 22 March 1999 (26 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 | no data |
| Core clock speed | Up to 710 MHz | 100 MHz |
| Number of transistors | 1,270 million | 15 million |
| Manufacturing process technology | 28 nm | 250 nm |
| Power consumption (TDP) | 32 Watt | no data |
| Texture fill rate | 22.69 | 0.2 |
| Floating-point processing power | 0.5445 TFLOPS | no data |
| ROPs | 16 | 2 |
| TMUs | 32 | 2 |
| 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 | AGP 4x |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | None |
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 | SDR |
| Maximum RAM amount | 2 GB | 16 MB |
| Memory bus width | 128bit | 64 Bit |
| Memory clock speed | 900 MHz | 133 MHz |
| Memory bandwidth | Up to 64.0 GB/s | 1.064 GB/s |
| Shared memory | - | no data |
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 | 1x VGA |
| 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 | 6.0 |
| Shader Model | 5.1 | no data |
| OpenGL | 4.5 | 1.2 |
| OpenCL | 1.1 | N/A |
| Vulkan | 1.1.126 | N/A |
| CUDA | + | - |
Pros & cons summary
| Recency | 1 October 2012 | 22 March 1999 |
| Maximum RAM amount | 2 GB | 16 MB |
| Chip lithography | 28 nm | 250 nm |
GT 645M has an age advantage of 13 years, a 12700% higher maximum VRAM amount, and a 792.9% more advanced lithography process.
We couldn't decide between GeForce GT 645M and Riva TNT2 M64 Vanta. We've got no test results to judge.
Be aware that GeForce GT 645M is a notebook graphics card while Riva TNT2 M64 Vanta is a desktop one.
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