GeForce Go 7800 GTX SLI vs 615
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1105 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.91 | no data |
| Architecture | Fermi (2010−2014) | G7x (2005−2006) |
| GPU code name | GF108 | G70M |
| Market segment | Laptop | Laptop |
| Release date | 15 May 2012 (14 years ago) | 29 September 2005 (20 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. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 48 | 64 |
| Core clock speed | 660 MHz | 16 MHz |
| Boost clock speed | no data | 440 MHz |
| Number of transistors | 585 million | 604 Million |
| Manufacturing process technology | 40 nm | 110 nm |
| Power consumption (TDP) | 49 Watt | 130 Watt |
| Texture fill rate | 5.280 | no data |
| Floating-point processing power | 0.1267 TFLOPS | no data |
| ROPs | 4 | no data |
| TMUs | 8 | no data |
| L1 Cache | 64 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 | no data | large |
| Interface | PCIe 2.0 x16 | 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 | DDR3 | GDDR3 |
| Maximum RAM amount | 1 GB | 512 MB |
| Memory bus width | 128 Bit | 256 Bit |
| Memory clock speed | 900 MHz | 550 MHz |
| Memory bandwidth | 28.8 GB/s | no data |
| 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 | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | GDDR3 |
| Shader Model | 5.1 | no data |
| OpenGL | 4.6 | no data |
| OpenCL | 1.1 | no data |
| Vulkan | N/A | - |
| CUDA | 2.1 | - |
Pros & cons summary
| Recency | 15 May 2012 | 29 September 2005 |
| Maximum RAM amount | 1 GB | 512 MB |
| Chip lithography | 40 nm | 110 nm |
| Power consumption (TDP) | 49 Watt | 130 Watt |
GeForce 615 has an age advantage of 6 years, a 100% higher maximum VRAM amount, a 175% more advanced lithography process, and 165% lower power consumption.
We couldn't decide between GeForce 615 and GeForce Go 7800 GTX SLI. We've got no test results to judge.
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