NVIDIA TITAN RTX vs NVIDIA A40 PCIe
What is the difference between NVIDIA TITAN RTX and NVIDIA A40 PCIe. Find out which graphics card has better performance.
Graphics Processor (GPU)
| TU102 | GPU Name | GA102 |
| Turing | Architecture | Ampere |
| TSMC | Foundry | Samsung |
| 12 nm | Process Size | 8 nm |
| 18,600 million | Transistors | 28,300 million |
| 754 mm² | Die Size | 628 mm² |
Graphics Card
| Dec 18th, 2018 | Release Date | Oct 5th, 2020 |
| GeForce 20 | Family | Tesla (Axx) |
| Active | Production | Active |
| PCIe 3.0 x16 | Bus Interface | PCIe 4.0 x16 |
Memory
| 24 GB | Memory Size | 48 GB |
| GDDR6 | Memory Type | GDDR6 |
| 384 bit | Memory Bus | 384 bit |
| 672.0 GB/s | Bandwidth | 695.8 GB/s |
Performance
| 169.9 GPixel/s | Pixel fillrate | 194.9 GPixel/s |
| 509.8 GTexel/s | Texture fillrate | 584.6 GTexel/s |
| 32.62 TFLOPS (2:1) | FP16 (half) performance | 37.42 TFLOPS (1:1) |
| 16.31 TFLOPS | FP32 (float) performance | 37.42 TFLOPS |
| 509.8 GFLOPS (1:32) | FP64 (double) performance | 1,169 GFLOPS (1:32) |
Clock Speeds
| 1350 MHz | Base Clock | 1305 MHz |
| 1770 MHz | Boost Clock | 1740 MHz |
| 1750 MHz 14 Gbps effective | Memory Clock | 1812 MHz 14.5 Gbps effective |
Render Config
| 4608 | Shading Units | 10752 |
| 288 | TMUs | 336 |
| 96 | ROPs | 112 |
| 72 | RT Cores | 84 |
| 64 KB (per SM) | L1 Cache | 128 KB (per SM) |
| 6 MB | L2 Cache | 6 MB |
| 72 | SM Count | 84 |
| 576 | Tensor Cores | 336 |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 267 mm 10.5 inches | Length | 267 mm 10.5 inches |
| 116 mm 4.6 inches | Width | 112 mm 4.4 inches |
| 280 W | Thermal design power (TDP) | 300 W |
| 600 W | Suggested PSU | 700 W |
| 1x HDMI 3x DisplayPort 1x USB Type-C | Display Connectors | 3x DisplayPort |
| 2x 8-pin | Power Connectors | 8-pin EPS |
API support
| 12 Ultimate (12_2) | DirectX | 12 Ultimate (12_2) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.2 |
| 6.6 | Shader Model | 6.6 |
| 7.5 | CUDA | 8.6 |