Tesla K20m vs Radeon R7 250E
Aggregate performance score
We've compared Radeon R7 250E with Tesla K20m, including specs and performance data.
K20m outperforms R7 250E by a whopping 165% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 739 | 472 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.10 | 0.26 |
| Power efficiency | 5.58 | 3.61 |
| Architecture | GCN 1.0 (2012−2020) | Kepler (2012−2018) |
| GPU code name | Cape Verde | GK110 |
| Market segment | Desktop | Workstation |
| Release date | 20 December 2013 (12 years ago) | 5 January 2013 (13 years ago) |
| Launch price (MSRP) | $109 | $3,199 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
R7 250E has 323% better value for money than Tesla K20m.
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 | 512 | 2496 |
| Core clock speed | 800 MHz | 706 MHz |
| Number of transistors | 1,500 million | 7,080 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 55 Watt | 225 Watt |
| Texture fill rate | 25.60 | 146.8 |
| Floating-point processing power | 0.8192 TFLOPS | 3.524 TFLOPS |
| ROPs | 16 | 40 |
| TMUs | 32 | 208 |
| L1 Cache | 128 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).
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | 168 mm | 267 mm |
| Width | 1-slot | 2-slot |
| Supplementary power connectors | None | 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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 1 GB | 5 GB |
| Memory bus width | 128 Bit | 320 Bit |
| Memory clock speed | 1125 MHz | 1300 MHz |
| Memory bandwidth | 72 GB/s | 208.0 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 | 1x DVI, 1x HDMI, 1x DisplayPort | No outputs |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2.131 | 1.1.126 |
| CUDA | - | 3.5 |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 4.00 | 10.60 |
| Recency | 20 December 2013 | 5 January 2013 |
| Maximum RAM amount | 1 GB | 5 GB |
| Power consumption (TDP) | 55 Watt | 225 Watt |
R7 250E has an age advantage of 11 months, and 309.1% lower power consumption.
Tesla K20m, on the other hand, has a 165% higher aggregate performance score, and a 400% higher maximum VRAM amount.
The Tesla K20m is our recommended choice as it beats the Radeon R7 250E in performance tests.
Be aware that Radeon R7 250E is a desktop graphics card while Tesla K20m is a workstation one.
Other comparisons
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