Tesla K20m vs ATI Mobility Radeon HD 2400
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 473 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.26 |
| Power efficiency | no data | 3.62 |
| Architecture | TeraScale (2005−2013) | Kepler (2012−2018) |
| GPU code name | M72 | GK110 |
| Market segment | Laptop | Workstation |
| Release date | 14 May 2007 (18 years ago) | 5 January 2013 (13 years ago) |
| Launch price (MSRP) | no data | $3,199 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
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 | 40 | 2496 |
| Core clock speed | 450 MHz | 706 MHz |
| Number of transistors | 180 million | 7,080 million |
| Manufacturing process technology | 65 nm | 28 nm |
| Power consumption (TDP) | no data | 225 Watt |
| Texture fill rate | 1.800 | 146.8 |
| Floating-point processing power | 0.036 TFLOPS | 3.524 TFLOPS |
| ROPs | 4 | 40 |
| TMUs | 4 | 208 |
| L1 Cache | no data | 208 KB |
| L2 Cache | 32 KB | 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 | no data | 1x 6-pin + 1x 8-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 | DDR2 | GDDR5 |
| Maximum RAM amount | 256 MB | 5 GB |
| Memory bus width | 64 Bit | 320 Bit |
| Memory clock speed | 400 MHz | 1300 MHz |
| Memory bandwidth | 6.4 GB/s | 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 | 10.0 (10_0) | 12 (11_0) |
| Shader Model | 4.0 | 5.1 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | N/A | 1.2 |
| Vulkan | N/A | 1.1.126 |
| CUDA | - | 3.5 |
Pros & cons summary
| Recency | 14 May 2007 | 5 January 2013 |
| Maximum RAM amount | 256 MB | 5 GB |
| Chip lithography | 65 nm | 28 nm |
Tesla K20m has an age advantage of 5 years, a 1900% higher maximum VRAM amount, and a 132.1% more advanced lithography process.
We couldn't decide between Mobility Radeon HD 2400 and Tesla K20m. We've got no test results to judge.
Be aware that Mobility Radeon HD 2400 is a notebook graphics card while Tesla K20m is a workstation one.
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