NVIDIA GeForce RTX 3090 vs NVIDIA A40 PCIe
What is the difference between NVIDIA GeForce RTX 3090 and NVIDIA A40 PCIe. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GA102 | GPU Name | GA102 |
| Ampere | Architecture | Ampere |
| Samsung | Foundry | Samsung |
| 8 nm | Process Size | 8 nm |
| 28,300 million | Transistors | 28,300 million |
| 628 mm² | Die Size | 628 mm² |
Graphics Card
| Sep 1st, 2020 | Release Date | Oct 5th, 2020 |
| GeForce 30 | Family | Tesla (Axx) |
| Active | Production | Active |
| Sep 24th, 2020 | Availability | 2021 |
| PCIe 4.0 x16 | Bus Interface | PCIe 4.0 x16 |
Memory
| 24 GB | Memory Size | 48 GB |
| GDDR6X | Memory Type | GDDR6 |
| 384 bit | Memory Bus | 384 bit |
| 936.2 GB/s | Bandwidth | 695.8 GB/s |
Performance
| 189.8 GPixel/s | Pixel fillrate | 194.9 GPixel/s |
| 556.0 GTexel/s | Texture fillrate | 584.6 GTexel/s |
| 35.58 TFLOPS (1:1) | FP16 (half) performance | 37.42 TFLOPS (1:1) |
| 35.58 TFLOPS | FP32 (float) performance | 37.42 TFLOPS |
| 556.0 GFLOPS (1:64) | FP64 (double) performance | 1,169 GFLOPS (1:32) |
Clock Speeds
| 1395 MHz | Base Clock | 1305 MHz |
| 1695 MHz | Boost Clock | 1740 MHz |
| 1219 MHz 19.5 Gbps effective | Memory Clock | 1812 MHz 14.5 Gbps effective |
Render Config
| 10496 | Shading Units | 10752 |
| 328 | TMUs | 336 |
| 112 | ROPs | 112 |
| 82 | RT Cores | 84 |
| 128 KB (per SM) | L1 Cache | 128 KB (per SM) |
| 6 MB | L2 Cache | 6 MB |
| 82 | SM Count | 84 |
| 328 | Tensor Cores | 336 |
Board Design
| Triple-slot | Slot Width | Dual-slot |
| 336 mm 13.2 inches | Length | 267 mm 10.5 inches |
| 140 mm 5.5 inches | Width | 112 mm 4.4 inches |
| 350 W | Thermal design power (TDP) | 300 W |
| 750 W | Suggested PSU | 700 W |
| 1x HDMI 3x DisplayPort | Display Connectors | 3x DisplayPort |
| 1x 12-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 |
| 8.6 | CUDA | 8.6 |