Tesla C870 vs GeForce 805A
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Kepler 2.0 (2013−2015) | Tesla (2006−2010) |
| GPU code name | GK208 | G80 |
| Market segment | Laptop | Workstation |
| Release date | 22 July 2014 (11 years ago) | 2 May 2007 (18 years ago) |
| Launch price (MSRP) | no data | $1,499 |
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 | 192 | 128 |
| Core clock speed | 719 MHz | 600 MHz |
| Boost clock speed | 758 MHz | no data |
| Number of transistors | 915 million | 681 million |
| Manufacturing process technology | 28 nm | 90 nm |
| Power consumption (TDP) | 15 Watt | 171 Watt |
| Texture fill rate | 12.13 | 38.40 |
| Floating-point processing power | 0.2911 TFLOPS | 0.3456 TFLOPS |
| ROPs | 8 | 24 |
| TMUs | 16 | 32 |
| L1 Cache | 32 KB | no data |
| L2 Cache | 128 KB | 96 KB |
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 x8 | PCIe 1.0 x16 |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 2x 6-pin |
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 | 1536 MB |
| Memory bus width | 64 Bit | 384 Bit |
| Memory clock speed | 1001 MHz | 800 MHz |
| Memory bandwidth | 16.02 GB/s | 76.8 GB/s |
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 outputs |
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 | 1.1 |
| Vulkan | 1.1.126 | N/A |
| CUDA | 3.5 | + |
Pros & cons summary
| Recency | 22 July 2014 | 2 May 2007 |
| Maximum RAM amount | 1 GB | 1536 MB |
| Chip lithography | 28 nm | 90 nm |
| Power consumption (TDP) | 15 Watt | 171 Watt |
GeForce 805A has an age advantage of 7 years, a 221% more advanced lithography process, and 1040% lower power consumption.
Tesla C870, on the other hand, has a 50% higher maximum VRAM amount.
We couldn't decide between GeForce 805A and Tesla C870. We've got no test results to judge.
Be aware that GeForce 805A is a notebook graphics card while Tesla C870 is a workstation one.
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