AMD Radeon R9 380X vs NVIDIA Tesla K20s
What is the difference between AMD Radeon R9 380X and NVIDIA Tesla K20s. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Antigua | GPU Name | GK110 |
| GCN 3.0 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 5,000 million | Transistors | 7,080 million |
| 366 mm² | Die Size | 561 mm² |
Graphics Card
| Nov 19th, 2015 | Release Date | Feb 18th, 2013 |
| Pirate Islands (R9 300) | Family | Tesla (Kxx) |
| Active | Production | End-of-life |
| 229 USD | Launch Price | 3,199 USD |
| PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 4 GB | Memory Size | 5 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 320 bit |
| 182.4 GB/s | Bandwidth | 208.0 GB/s |
Performance
| 31.04 GPixel/s | Pixel fillrate | 29.90 GPixel/s |
| 124.2 GTexel/s | Texture fillrate | 119.6 GTexel/s |
| 3.973 TFLOPS | FP32 (float) performance | 2.870 TFLOPS |
| 248.3 GFLOPS (1:16) | FP64 (double) performance | 956.8 GFLOPS (1:3) |
Clock Speeds
| 1425 MHz 5.7 Gbps effective | Memory Clock | 1300 MHz 5.2 Gbps effective |
| 970 MHz | GPU Clock | 575 MHz |
Render Config
| 2048 | Shading Units | 2496 |
| 128 | TMUs | 208 |
| 32 | ROPs | 40 |
| 16 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 512 KB | L2 Cache | 1280 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 221 mm 8.7 inches | Length | 267 mm 10.5 inches |
| 190 W | Thermal design power (TDP) | 225 W |
| 450 W | Suggested PSU | 550 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | No outputs |
API support
| 12 (12_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.1 |
| 6.3 | Shader Model | 5.1 |