GeForce Go 7900 GTX SLI vs Quadro M620
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 606 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 16.97 | no data |
| Architecture | Maxwell (2014−2017) | G7x (2005−2006) |
| GPU code name | GM107 | G71M |
| Market segment | Mobile workstation | Laptop |
| Release date | 11 January 2017 (8 years ago) | 12 October 2006 (19 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 | 512 | 64 |
| Core clock speed | 756 MHz | 16 MHz |
| Boost clock speed | 977 MHz | 500 MHz |
| Number of transistors | 1,870 million | 556 Million |
| Manufacturing process technology | 28 nm | 90 nm |
| Power consumption (TDP) | 30 Watt | 90 Watt |
| Texture fill rate | 31.26 | no data |
| Floating-point processing power | 1 TFLOPS | no data |
| ROPs | 16 | no data |
| TMUs | 32 | no data |
| L1 Cache | 256 KB | no data |
| L2 Cache | 2 MB | 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 | large | large |
| Interface | MXM-A (3.0) | no data |
| Supplementary power connectors | None | no data |
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 | GDDR3 |
| Maximum RAM amount | 2 GB | 2x512 MB |
| Memory bus width | 128 Bit | 256 Bit |
| Memory clock speed | 1253 MHz | 700 MHz |
| Memory bandwidth | 80 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 | no data |
| Display Port | 1.2 | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Optimus | + | - |
| 3D Stereo | + | no data |
| Mosaic | + | no data |
| nView Display Management | + | no data |
| Optimus | + | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 | GDDR3 |
| Shader Model | 5.1 | no data |
| OpenGL | 4.5 | no data |
| OpenCL | 1.2 | no data |
| Vulkan | 1.1.126 | - |
| CUDA | 5.0 | - |
Pros & cons summary
| Recency | 11 January 2017 | 12 October 2006 |
| Chip lithography | 28 nm | 90 nm |
| Power consumption (TDP) | 30 Watt | 90 Watt |
Quadro M620 has an age advantage of 10 years, a 221.4% more advanced lithography process, and 200% lower power consumption.
We couldn't decide between Quadro M620 and GeForce Go 7900 GTX SLI. We've got no test results to judge.
Be aware that Quadro M620 is a mobile workstation graphics card while GeForce Go 7900 GTX SLI is a mobile workstation one.
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