AMD Radeon RX 6800 vs NVIDIA A40 PCIe
What is the difference between AMD Radeon RX 6800 and NVIDIA A40 PCIe. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Navi 21 | GPU Name | GA102 |
| RDNA 2.0 | Architecture | Ampere |
| TSMC | Foundry | Samsung |
| 7 nm | Process Size | 8 nm |
| 26,800 million | Transistors | 28,300 million |
| 520 mm² | Die Size | 628 mm² |
Graphics Card
| Oct 28th, 2020 | Release Date | Oct 5th, 2020 |
| Navi II (RX 6000) | Family | Tesla (Axx) |
| Active | Production | Active |
| Nov 18th, 2020 | Availability | 2021 |
| PCIe 4.0 x16 | Bus Interface | PCIe 4.0 x16 |
Memory
| 16 GB | Memory Size | 48 GB |
| GDDR6 | Memory Type | GDDR6 |
| 256 bit | Memory Bus | 384 bit |
| 512.0 GB/s | Bandwidth | 695.8 GB/s |
Performance
| 202.1 GPixel/s | Pixel fillrate | 194.9 GPixel/s |
| 505.2 GTexel/s | Texture fillrate | 584.6 GTexel/s |
| 32.33 TFLOPS (2:1) | FP16 (half) performance | 37.42 TFLOPS (1:1) |
| 16.17 TFLOPS | FP32 (float) performance | 37.42 TFLOPS |
| 1,010 GFLOPS (1:16) | FP64 (double) performance | 1,169 GFLOPS (1:32) |
Clock Speeds
| 1700 MHz | Base Clock | 1305 MHz |
| 2105 MHz | Boost Clock | 1740 MHz |
| 2000 MHz 16 Gbps effective | Memory Clock | 1812 MHz 14.5 Gbps effective |
Render Config
| 3840 | Shading Units | 10752 |
| 240 | TMUs | 336 |
| 96 | ROPs | 112 |
| 60 | RT Cores | 84 |
| 128 KB per Array | L1 Cache | 128 KB (per SM) |
| 4 MB | L2 Cache | 6 MB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 267 mm 10.5 inches | Length | 267 mm 10.5 inches |
| 120 mm 4.7 inches | Width | 112 mm 4.4 inches |
| 250 W | Thermal design power (TDP) | 300 W |
| 600 W | Suggested PSU | 700 W |
| 1x HDMI 2x 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 |
| 2.1 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.2 |
| 6.5 | Shader Model | 6.6 |