Tesla K20s vs Radeon R9 M385
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 683 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 2.0 (2013−2017) | Kepler (2012−2018) |
| GPU code name | Strato | GK110 |
| Market segment | Laptop | Workstation |
| Release date | 5 May 2015 (11 years ago) | 18 February 2013 (13 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. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 896 | 2496 |
| Core clock speed | 900 MHz | 575 MHz |
| Boost clock speed | 1100 MHz | no data |
| Number of transistors | 2,080 million | 7,080 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | no data | 225 Watt |
| Texture fill rate | 56.00 | 119.6 |
| Floating-point processing power | 1.792 TFLOPS | 2.87 TFLOPS |
| ROPs | 16 | 40 |
| TMUs | 56 | 208 |
| L1 Cache | 224 KB | 208 KB |
| L2 Cache | 256 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).
| Laptop size | medium sized | no data |
| Bus support | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 2.0 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 | 5 GB |
| Memory bus width | 128 Bit | 320 Bit |
| Memory clock speed | 1500 MHz | 1300 MHz |
| Memory bandwidth | 76.8 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 |
| Eyefinity | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| FreeSync | + | - |
| HD3D | + | - |
| PowerTune | + | - |
| DualGraphics | + | - |
| TrueAudio | + | - |
| ZeroCore | + | - |
| Switchable graphics | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 12 | 12 (11_0) |
| Shader Model | 6.3 | 5.1 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | Not Listed | 1.2 |
| Vulkan | - | 1.1.126 |
| Mantle | + | - |
| CUDA | - | 3.5 |
Pros & cons summary
| Recency | 5 May 2015 | 18 February 2013 |
| Maximum RAM amount | 4 GB | 5 GB |
R9 M385 has an age advantage of 2 years.
Tesla K20s, on the other hand, has a 25% higher maximum VRAM amount.
We couldn't decide between Radeon R9 M385 and Tesla K20s. We've got no test results to judge.
Be aware that Radeon R9 M385 is a notebook graphics card while Tesla K20s is a workstation one.
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