NVIDIA RTX A4000 vs NVIDIA RTX A4500
Graphics Processor
| GPU model | GA104 | GA102 |
|---|---|---|
| Architecture | Ampere | Ampere |
| Foundry | Samsung | Samsung |
| Manufacturing process | 8 nm | 8 nm |
| Number of transistors | 17,400 million | 28,300 million |
| Die size | 392 mm² | 628 mm² |
| GPU variant | GA104-875-A1 | — |
Graphics Card
| Release date | Apr 12th, 2021 | Nov 23rd, 2021 |
|---|---|---|
| Generation | Quadro | Quadro |
| Production | Active | Active |
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
Clocks
| Base clock | 735 MHz | 1050 MHz |
|---|---|---|
| Boost clock | 1560 MHz | 1650 MHz |
| Memory clock | 1750 MHz 14 Gbps effective | 2000 MHz 16 Gbps effective |
Memory Configuration
| Memory size | 16 GB | 20 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6 |
| Memory bus width | 256 bit | 320 bit |
| Bandwidth | 448.0 GB/s | 640.0 GB/s |
Render Configuration
| Shading units | 6144 | 7168 |
|---|---|---|
| TMUs | 192 | 224 |
| ROPs | 96 | 96 |
| SM count | 48 | 56 |
| Tensor cores | 192 | 224 |
| RT cores | 48 | 56 |
| Cache L1 | 128 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 4 MB | 6 MB |
Performance
| Pixel rate | 149.8 GPixel/s | 158.4 GPixel/s |
|---|---|---|
| Texture rate | 299.5 GTexel/s | 369.6 GTexel/s |
| FP16 (half) performance | 19.17 TFLOPS (1:1) | 23.65 TFLOPS (1:1) |
| FP32 (float) performance | 19.17 TFLOPS | 23.65 TFLOPS |
| FP64 (double) performance | 599.0 GFLOPS (1:32) | 739.2 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Single-slot | Dual-slot |
|---|---|---|
| Length | 241 mm 9.5 inches | 267 mm 10.5 inches |
| Width | 112 mm 4.4 inches | 112 mm 4.4 inches |
| TDP | 140 W | 200 W |
| Suggested PSU | 300 W | 550 W |
| Outputs | 4x DisplayPort | 4x DisplayPort |
| Power connectors | 1x 6-pin | 1x 8-pin |
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 |
