NVIDIA Tesla K20s vs AMD Radeon HD 8670A
Comparative analysis of NVIDIA Tesla K20s and AMD Radeon HD 8670A videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.
Differences
Reasons to consider the NVIDIA Tesla K20s
- Around 18% higher core clock speed: 706 MHz vs 600 MHz
- 12.2x more texture fill rate: 146.8 GTexel / s vs 12 GTexel / s
- 7.8x more pipelines: 2496 vs 320
- 9.2x better floating-point performance: 3,524 gflops vs 384.0 gflops
- 5x more maximum memory size: 5 GB vs 1 GB
- 2.6x more memory clock speed: 5200 MHz vs 2000 MHz
| Core clock speed | 706 MHz vs 600 MHz |
| Texture fill rate | 146.8 GTexel / s vs 12 GTexel / s |
| Pipelines | 2496 vs 320 |
| Floating-point performance | 3,524 gflops vs 384.0 gflops |
| Maximum memory size | 5 GB vs 1 GB |
| Memory clock speed | 5200 MHz vs 2000 MHz |
Reasons to consider the AMD Radeon HD 8670A
- 5x lower typical power consumption: 45 Watt vs 225 Watt
| Thermal Design Power (TDP) | 45 Watt vs 225 Watt |
Compare specifications (specs)
| NVIDIA Tesla K20s | AMD Radeon HD 8670A | |
|---|---|---|
Essentials |
||
| Architecture | Kepler | GCN 1.0 |
| Code name | GK110 | Mars |
| Launch date | 18 February 2013 | 2 February 2013 |
| Launch price (MSRP) | $3,199 | |
| Place in performance rating | not rated | not rated |
| Type | Workstation | Desktop |
Technical info |
||
| Core clock speed | 706 MHz | 600 MHz |
| Floating-point performance | 3,524 gflops | 384.0 gflops |
| Manufacturing process technology | 28 nm | 28 nm |
| Pipelines | 2496 | 320 |
| Texture fill rate | 146.8 GTexel / s | 12 GTexel / s |
| Thermal Design Power (TDP) | 225 Watt | 45 Watt |
| Transistor count | 7,080 million | 1,040 million |
Video outputs and ports |
||
| Display Connectors | No outputs | No outputs |
Compatibility, dimensions and requirements |
||
| Interface | PCIe 2.0 x16 | MXM-A (3.0) |
| Length | 267 mm | |
API support |
||
| DirectX | 12.0 (11_0) | 12.0 (11_1) |
| OpenGL | 4.6 | 4.5 |
Memory |
||
| Maximum RAM amount | 5 GB | 1 GB |
| Memory bandwidth | 208.0 GB / s | 16 GB / s |
| Memory bus width | 320 Bit | 64 Bit |
| Memory clock speed | 5200 MHz | 2000 MHz |
| Memory type | GDDR5 | DDR3 |
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