GeForce 8100 + nForce 720a vs GT 650M Mac Edition
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1021 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.45 | no data |
| Architecture | Kepler (2012−2018) | Tesla (2006−2010) |
| GPU code name | GK107 | C78 |
| Market segment | Laptop | Desktop |
| Release date | 12 July 2012 (13 years ago) | 6 May 2008 (17 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 | 16 |
| Core clock speed | 900 MHz | 500 MHz |
| Number of transistors | 1,270 million | 210 million |
| Manufacturing process technology | 28 nm | 80 nm |
| Power consumption (TDP) | 45 Watt | 40 Watt |
| Texture fill rate | 28.80 | 4.000 |
| Floating-point processing power | 0.6912 TFLOPS | 0.0384 TFLOPS |
| ROPs | 16 | 4 |
| TMUs | 32 | 8 |
| 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).
| Interface | PCIe 3.0 x16 | PCI |
| 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 | GDDR5 | System Shared |
| Maximum RAM amount | 512 MB | System Shared |
| Memory bus width | 128 Bit | System Shared |
| Memory clock speed | 1254 MHz | System Shared |
| Memory bandwidth | 80.26 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 | 1x DVI, 1x VGA, 1x S-Video |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 11.1 (10_0) |
| Shader Model | 5.1 | 4.0 |
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.2 | N/A |
| Vulkan | 1.1.126 | N/A |
| CUDA | 3.0 | - |
Pros & cons summary
| Recency | 12 July 2012 | 6 May 2008 |
| Chip lithography | 28 nm | 80 nm |
| Power consumption (TDP) | 45 Watt | 40 Watt |
GT 650M Mac Edition has an age advantage of 4 years, and a 185.7% more advanced lithography process.
8100 + nForce 720a, on the other hand, has 12.5% lower power consumption.
We couldn't decide between GeForce GT 650M Mac Edition and GeForce 8100 + nForce 720a. We've got no test results to judge.
Be aware that GeForce GT 650M Mac Edition is a notebook graphics card while GeForce 8100 + nForce 720a is a desktop one.
Other comparisons
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