NVIDIA GRID A100B vs NVIDIA Tesla K40m
Graphics Processor
| GPU model | GA100 | GK110B |
|---|---|---|
| Architecture | Ampere | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 7 nm | 28 nm |
| Number of transistors | 54,200 million | 7,080 million |
| Die size | 826 mm² | 561 mm² |
Graphics Card
| Release date | May 14th, 2020 | Nov 22nd, 2013 |
|---|---|---|
| Generation | GRID | Tesla |
| Production | Active | End-of-life |
| Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Launch price | — | 7,699 USD |
Clocks
| Base clock | 900 MHz | 745 MHz |
|---|---|---|
| Boost clock | 1005 MHz | 876 MHz |
| Memory clock | 1215 MHz 2.4 Gbps effective | 1502 MHz 6 Gbps effective |
Memory Configuration
| Memory size | 48 GB | 12 GB |
|---|---|---|
| Memory type | HBM2E | GDDR5 |
| Memory bus width | 6144 bit | 384 bit |
| Bandwidth | 1,866 GB/s | 288.4 GB/s |
Render Configuration
| Shading units | 6912 | 2880 |
|---|---|---|
| TMUs | 432 | 240 |
| ROPs | 192 | 48 |
| SM count | 108 | — |
| Tensor cores | 432 | — |
| Cache L1 | 192 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 48 MB | 1536 KB |
| SMX count | — | 15 |
Performance
| Pixel rate | 193.0 GPixel/s | 52.56 GPixel/s |
|---|---|---|
| Texture rate | 434.2 GTexel/s | 210.2 GTexel/s |
| FP16 (half) performance | 55.57 TFLOPS (4:1) | — |
| FP32 (float) performance | 13.89 TFLOPS | 5.046 TFLOPS |
| FP64 (double) performance | 6.947 TFLOPS (1:2) | 1.682 TFLOPS (1:3) |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | 400 W | 245 W |
| Suggested PSU | 800 W | 550 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
| Length | — | 267 mm 10.5 inches |
API Support & Features
| DirectX | — | 12 (11_1) |
|---|---|---|
| OpenGL | — | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 8.0 | 3.5 |
| Shader model | — | 5.1 |
