NVIDIA A40 PCIe vs NVIDIA GeForce RTX 3090
Graphics Processor
| GPU model | GA102 | GA102 |
|---|---|---|
| Architecture | Ampere | Ampere |
| Foundry | Samsung | Samsung |
| Manufacturing process | 8 nm | 8 nm |
| Number of transistors | 28,300 million | 28,300 million |
| Die size | 628 mm² | 628 mm² |
| GPU variant | — | GA102-300-A1 |
Graphics Card
| Release date | Oct 5th, 2020 | Sep 1st, 2020 |
|---|---|---|
| gpu.details.availability | 2021 | Sep 24th, 2020 |
| Generation | Tesla | GeForce 30 |
| Production | Active | Active |
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Launch price | — | 1,499 USD |
| Predecessor | — | GeForce 20 |
| Current price | — | Amazon / Newegg |
| Reviews | — | 56 in our database |
Clocks
| Base clock | 1305 MHz | 1395 MHz |
|---|---|---|
| Boost clock | 1740 MHz | 1695 MHz |
| Memory clock | 1812 MHz 14.5 Gbps effective | 1219 MHz 19.5 Gbps effective |
Memory Configuration
| Memory size | 48 GB | 24 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6X |
| Memory bus width | 384 bit | 384 bit |
| Bandwidth | 695.8 GB/s | 936.2 GB/s |
Render Configuration
| Shading units | 10752 | 10496 |
|---|---|---|
| TMUs | 336 | 328 |
| ROPs | 112 | 112 |
| SM count | 84 | 82 |
| Tensor cores | 336 | 328 |
| RT cores | 84 | 82 |
| Cache L1 | 128 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 6 MB | 6 MB |
Performance
| Pixel rate | 194.9 GPixel/s | 189.8 GPixel/s |
|---|---|---|
| Texture rate | 584.6 GTexel/s | 556.0 GTexel/s |
| FP16 (half) performance | 37.42 TFLOPS (1:1) | 35.58 TFLOPS (1:1) |
| FP32 (float) performance | 37.42 TFLOPS | 35.58 TFLOPS |
| FP64 (double) performance | 1,169 GFLOPS (1:32) | 556.0 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | Dual-slot | Triple-slot |
|---|---|---|
| Length | 267 mm 10.5 inches | 336 mm 13.2 inches |
| Width | 112 mm 4.4 inches | 140 mm 5.5 inches |
| TDP | 300 W | 350 W |
| Suggested PSU | 700 W | 750 W |
| Outputs | 3x DisplayPort | 1x HDMI3x DisplayPort |
| Power connectors | 8-pin EPS | 1x 12-pin |
| Board number | — | PG132 SKU 10 |
| Height | — | 61 mm 2.4 inches |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| CUDA | 8.6 | 8.6 |
| Shader model | 6.6 | 6.6 |
