Tesla K40st vs Radeon R9 M270X
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 825 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 1.0 (2012−2020) | Kepler (2012−2018) |
| GPU code name | Venus | GK110B |
| Market segment | Laptop | Workstation |
| Release date | 21 March 2014 (12 years ago) | 22 November 2013 (12 years ago) |
| Launch price (MSRP) | no data | $7,699 |
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 | 640 | 2880 |
| Compute units | 10 | no data |
| Core clock speed | 725 MHz | 575 MHz |
| Boost clock speed | 775 MHz | no data |
| Number of transistors | 1,500 million | 7,080 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | no data | 245 Watt |
| Texture fill rate | 31.00 | 138.0 |
| Floating-point processing power | 0.992 TFLOPS | 3.312 TFLOPS |
| ROPs | 16 | 48 |
| TMUs | 40 | 240 |
| L1 Cache | 160 KB | 240 KB |
| L2 Cache | 256 KB | 1536 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).
| Bus support | PCIe 3.0 x16 | no data |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
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 | GDDR5 |
| Maximum RAM amount | 4 GB | 12 GB |
| Memory bus width | 128 Bit | 384 Bit |
| Memory clock speed | 1125 MHz | 1502 MHz |
| Memory bandwidth | 72 GB/s | 288.4 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 |
| Eyefinity | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| FreeSync | + | - |
| HD3D | + | - |
| PowerTune | + | - |
| DualGraphics | + | - |
| ZeroCore | + | - |
| Switchable graphics | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | Not Listed | 1.2 |
| Vulkan | - | 1.1.126 |
| Mantle | + | - |
| CUDA | - | 3.5 |
Pros & cons summary
| Recency | 21 March 2014 | 22 November 2013 |
| Maximum RAM amount | 4 GB | 12 GB |
R9 M270X has an age advantage of 3 months.
Tesla K40st, on the other hand, has a 200% higher maximum VRAM amount.
We couldn't decide between Radeon R9 M270X and Tesla K40st. We've got no test results to judge.
Be aware that Radeon R9 M270X is a notebook graphics card while Tesla K40st is a workstation one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
