AMD Radeon RX 6800 XT vs AMD Radeon RX 6900 XTX
What is the difference between AMD Radeon RX 6800 XT and AMD Radeon RX 6900 XTX. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Navi 21 | GPU Name | Navi 21 |
| Navi 21 XT (215-121000177) | Model number | Navi 21 XTXH (215-121000247) |
| RDNA 2.0 | Architecture | RDNA 2.0 |
| TSMC | Foundry | TSMC |
| 7 nm | Process Size | 7 nm |
| 26,800 million | Transistors | 26,800 million |
| 520 mm² | Die Size | 520 mm² |
Graphics Card
| Oct 28th, 2020 | Release Date | Never Released |
| Navi II (RX 6000) | Family | Navi II (RX 6000) |
| Active | Production | Active |
| Navi | Predecessor | Navi |
| PCIe 4.0 x16 | Bus Interface | PCIe 4.0 x16 |
Memory
| 16 GB | Memory Size | 16 GB |
| GDDR6 | Memory Type | GDDR6 |
| 256 bit | Memory Bus | 256 bit |
| 512.0 GB/s | Bandwidth | 576.0 GB/s |
Performance
| 288.0 GPixel/s | Pixel fillrate | 311.7 GPixel/s |
| 648.0 GTexel/s | Texture fillrate | 779.2 GTexel/s |
| 41.47 TFLOPS (2:1) | FP16 (half) performance | 49.87 TFLOPS (2:1) |
| 20.74 TFLOPS | FP32 (float) performance | 24.93 TFLOPS |
| 1,296 GFLOPS (1:16) | FP64 (double) performance | 1.558 TFLOPS (1:16) |
Clock Speeds
| 1825 MHz | Base Clock | 2075 MHz |
| 2015 MHz | Game Clock | 2250 MHz |
| 2250 MHz | Boost Clock | 2435 MHz |
| 2000 MHz 16 Gbps effective | Memory Clock | 2250 MHz 18 Gbps effective |
Render Config
| 4608 | Shading Units | 5120 |
| 288 | TMUs | 320 |
| 128 | ROPs | 128 |
| 72 | Compute Units | 80 |
| 72 | RT Cores | 80 |
| 32 KB per WGP | L0 Cache | 32 KB per WGP |
| 128 KB per Array | L1 Cache | 128 KB per Array |
| 4 MB | L2 Cache | 4 MB |
| 128 MB | L3 Cache | 128 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 | 135 mm 5.3 inches |
| 50 mm 2 inches | Height | 50 mm 2 inches |
| 300 W | Thermal design power (TDP) | 330 W |
| 700 W | Suggested PSU | 700 W |
| 1x HDMI 2x DisplayPort 1x USB Type-C | Display Connectors | 1x HDMI 2x DisplayPort 1x USB Type-C |
| 2x 8-pin | Power Connectors | 2x 8-pin |
API support
| 12 Ultimate (12_2) | DirectX | 12 Ultimate (12_2) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 2.1 |
| 1.2 | Vulkan | 1.2 |
| 6.5 | Shader Model | 6.5 |