AMD Radeon RX 6900 XT Vs Radeon RX 7800 XT
We compared two laptop/desktop GPUs: AMD Radeon RX 6900 XT Vs Radeon RX 7800 XT.
In this table-based comparison, you’ll find out which GPUs perform better in Graphics Design, Video Editing, Games, and other helpful information.
General Information
| Vendor | AMD AMD |
| Released |
October 2020
Upcoming Expected launch in 2023 |
| Type | Desktop Desktop |
| Model |
Radeon RX 6900 XTX XT 215-121000167 Radeon RX 7800 XT |
| Codename | Navi 21 Navi 32 XT |
| Architecture | RDNA 2.0 RDNA 3.0 |
| RT Cores | 80 60 |
GPU Performance
| Integrated GPU | AMD Radeon RX 6900 XT AMD Radeon RX 7800 XT |
| GPU Base Clock | 1825 MHz 1800 MHz |
| GPU Boost Clock | 2250 MHz 2500 MHz |
| Shading Cores | 5120 3840 |
| TMUs | 320 240 |
| ROPs | 128 128 |
| Execution Units | - - |
| Cache | 128MB 64MB |
| Pixel Rate | 288.0 GPixel/s 320.0 GPixel/s |
| Texture Rate | 720.0 GTexel/s 600.0 GTexel/s |
| TFLOPs | 23.04 TFLOPS 38.40 TFLOPS |
| Max. Resolution |
-
1920 x 1080 2560 x 1440 3840 x 2160 |
| Multi GPU | - - |
| Supported Displays | 4 4 |
| Overclocking | - - |
Memory Support
| Memory Types | GDDR6 GDDR6 |
| Memory Size | 16GB 12GB |
| Memory Speed | 16 Gbps 18 Gbps |
| Memory Clock | 2000 MHz 2250 MHz |
| Memory Bandwidth | 512.0 GB/s 432.0 GB/s |
| Memory Interface | 256 bit 192 bit |
| ECC Support | - - |
Power
| Transistors | 26800 million unknown |
| TDP | 300W 300W |
| Fabrication process | TSMC 7nm TSMC 5nm |
| PCI Express Version | 4.0 x16 4.0 x16 |
| Die Size | 520mm² 346mm² |
| Length | 267mm 267mm |
| Width | 120mm 135mm |
| Height | 50mm 50mm |
| Temperature | 90°C 90°C |
| Direct X Version | 12 12 |
| Vulkan Version | 1.3 1.3 |
| Open GL Version | 4.6 4.6 |
| Open CL Version | 2.1 2.1 |
| Shader Model | 6.5 6.7 |
| Multi-Format Codec Engines | - - |
Ports Support
| HDMI Support | Yes Yes |
| HDMI Ports | 1 1 |
| HDMI Version | 2.1 2.1a |
| Display Port Outputs | 2 3 |
| DVI Outputs | 1.4a 2.1 |
| Mini DisplayPort outputs | 1x USB Type-C - |
| OS Supports |
Windows 11 - 64-Bit Edition Windows 10 - 64-Bit Edition Linux x86_64 - |
Benchmarks
| G3D PassMark Result | - - |
| Passmark | - - |
| 3DMark Vantage Performance | - - |
| 3DMark 11 Performance GPU | - - |
| 3DMark Cloud Gate GPU | - - |
| 3DMark Fire Strike Score | - - |
| 3DMark Fire Strike Graphics | - - |
Key Features
| Multi Display Supports | |
| Ray Tracing Supports | |
| 3D Supports | |
| DLSS Supports | |
| Multi GPU Supports | |
| RGB Lighting Supports | |
| HDMI 4K Supports | |
| 4K H264 Decode | |
| 4K H264 Encode | |
| H265/HEVC Decode | |
| H265/HEVC Encode | |
| AV1 Encode/Decode | |
| Adaptive Sync | |
| Has air-water cooling |
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