Tesla K20s vs ATI Radeon Xpress 1150
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1531 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Rage 9 (2003−2006) | Kepler (2012−2018) |
| GPU code name | RS485 | GK110 |
| Market segment | Laptop | Workstation |
| Release date | 23 May 2006 (19 years ago) | 18 February 2013 (12 years ago) |
| Launch price (MSRP) | no data | $3,199 |
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 | 6 | 2496 |
| Core clock speed | 400 MHz | 575 MHz |
| Boost clock speed | 400 MHz | no data |
| Number of transistors | no data | 7,080 million |
| Manufacturing process technology | 110 nm | 28 nm |
| Power consumption (TDP) | no data | 225 Watt |
| Texture fill rate | 0.8 | 119.6 |
| Floating-point processing power | no data | 2.87 TFLOPS |
| ROPs | 2 | 40 |
| TMUs | 2 | 208 |
| L1 Cache | no data | 208 KB |
| L2 Cache | no data | 1280 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 1.0 x16 | PCIe 2.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
| 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 | System Shared | GDDR5 |
| Maximum RAM amount | System Shared | 5 GB |
| Memory bus width | System Shared | 320 Bit |
| Memory clock speed | System Shared | 1300 MHz |
| Memory bandwidth | no data | 208.0 GB/s |
| 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 outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0 | 12 (11_0) |
| Shader Model | no data | 5.1 |
| OpenGL | 2.0 | 4.6 |
| OpenCL | N/A | 1.2 |
| Vulkan | N/A | 1.1.126 |
| CUDA | - | 3.5 |
Pros & cons summary
| Recency | 23 May 2006 | 18 February 2013 |
| Chip lithography | 110 nm | 28 nm |
Tesla K20s has an age advantage of 6 years, and a 292.9% more advanced lithography process.
We couldn't decide between Radeon Xpress 1150 and Tesla K20s. We've got no test results to judge.
Be aware that Radeon Xpress 1150 is a notebook graphics card while Tesla K20s is a workstation one.
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