PowerColor Red Dragon Radeon RX 6800 vs AMD Radeon R9 285
VS
PowerColor Red Dragon Radeon RX 6800
AMD Radeon R9 285
Key Differences
Performance
Features
Ports
General info
Memory
PowerColor Red Dragon Radeon RX 6800
AMD Radeon R9 285
Key Differences
|
PowerColor Red Dragon Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| GPU Base Clock Speed | 1800MHz | 918MHz |
| GPU Boost Clock Speed | 2170MHz | 1000MHz |
| Pixel Rate | 208.3 GPixel/s | 29.4 GPixel/s |
| GPU Memory Speed | 2000MHz | 1375MHz |
| GPU Render Output Units (ROPs) | 96 | 32 |
| No. of Supported Displays | 4 | 5 |
Performance
|
PowerColor Red Dragon Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| GPU Base Clock Speed | 1800MHz | 918MHz |
| Pixel Rate | 208.3 GPixel/s | 29.4 GPixel/s |
| FLOPS (Floating-point Performance) | 16.67 TFLOPS | 3.29 TFLOPS |
| GPU Memory Speed | 2000MHz | 1375MHz |
| Texture Filter Rate | 520.8 GTexels/s | 103 GTexels/s |
| Total GPU Shading Units | 3840 | 1792 |
| Total GPU TMUs | 240 | 112 |
| GPU Boost Clock Speed | 2170MHz | 1000MHz |
| GPU Render Output Units (ROPs) | 96 | 32 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
PowerColor Red Dragon Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| DirectX Version Info | 12 | 12 |
| OpenGL Driver Version | 4.6 | 4.4 |
| OpenCL Driver Version | 2.1 | 1.2 |
| Multi-display Tech Support |  Yes
|
Yes
|
| 3D Support | Yes
|
No
|
| Ray Tracing Support | Yes
|
No
|
| No. of Supported Displays | 4 | 5 |
| Multi-GPU Support Count | Not Known | 4 |
Ports
|
PowerColor Red Dragon Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| HDMI Output Support | Yes
|
Yes
|
| GPU HDMI Version | 2.1 | Not Known |
| DisplayPort Output | 3 | 1 |
| No. of HDMI Ports | 1 | Not Known |
| DVI Output Ports | 0 | 2 |
| Mini DisplayPort Output | 0 | Not Known |
General info
|
PowerColor Red Dragon Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 26800 million | 5000 million |
| Semiconductor Size | 7nm | 28nm |
| PCI Express Version | 4 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 310mm | Not Known |
| Height | 135mm | Not Known |
Memory
|
PowerColor Red Dragon Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| Effective Memory Clock | 16000MHz | 5500MHz |
| Max Memory Bandwidth | 512GB/s | 176GB/s |
| RAM | 16GB | 2GB |
| Memory Bus Interface Width | 256bit | 256bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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