Radeon 620 vs Tesla K20s
Primary Details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | 810 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-Effectiveness Evaluation | no data | 0.34 |
| Architecture | Kepler (2012−2018) | GCN 1.0 (2012−2020) |
| GPU code name | GK110 | Polaris 24 |
| Market segment | Workstation | Laptop |
| Release date | 18 February 2013 (11 years ago) | 12 August 2019 (4 years ago) |
| Launch price (MSRP) | $3,199 | no data |
| Current price | no data | $67 |
Cost-Effectiveness Evaluation
Performance to price ratio. The higher, the better.
Detailed Specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 2496 | 384 |
| Core clock speed | 575 MHz | no data |
| Boost clock speed | no data | 1024 MHz |
| Number of transistors | 7,080 million | 1,550 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 225 Watt | 50 Watt |
| Texture fill rate | 119.6 | 24.58 |
| Floating-point performance | 3,524 gflops | no data |
Form Factor & Compatibility
Information on Tesla K20s and Radeon 620 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
| Length | 267 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | no data | None |
| Memory type | GDDR5 | DDR3, GDDR5 |
| Maximum RAM amount | 5 GB | 4 GB |
| Memory bus width | 320 Bit | 64 Bit |
| Memory clock speed | 5200 MHz | 2250 MHz |
| Memory bandwidth | 208.0 GB/s | 14.4 GB/s |
| Shared memory | no data | - |
Connectivity and Outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | No outputs | No outputs |
API Compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 (12_0) |
| Shader Model | 5.1 | 6.3 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 3.5 | no data |
Pros & Cons Summary
| Recency | 18 February 2013 | 12 August 2019 |
| Maximum RAM amount | 5 GB | 4 GB |
| Power consumption (TDP) | 225 Watt | 50 Watt |
We couldn't decide between Tesla K20s and Radeon 620. We've got no test results to judge.
Be aware that Tesla K20s is a workstation card while Radeon 620 is a notebook one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with Similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
