AMD Radeon RX 6800 XT vs AMD Radeon R9 285
VS
AMD Radeon RX 6800 XT
AMD Radeon R9 285
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
AMD Radeon RX 6800 XT
AMD Radeon R9 285
Key Differences
|
AMD Radeon RX 6800 XT | AMD Radeon R9 285 |
|---|---|---|
| GPU Base Clock Speed | 1487MHz | 918MHz |
| GPU Boost Clock Speed | 2250MHz | 1000MHz |
| Pixel Rate | 288 GPixel/s | 29.4 GPixel/s |
| GPU Memory Speed | 2000MHz | 1375MHz |
| GPU Render Output Units (ROPs) | 128 | 32 |
| No. of Supported Displays | Not Known | 5 |
Performance
|
AMD Radeon RX 6800 XT | AMD Radeon R9 285 |
|---|---|---|
| GPU Base Clock Speed | 1487MHz | 918MHz |
| Pixel Rate | 288 GPixel/s | 29.4 GPixel/s |
| FLOPS (Floating-point Performance) | 20.74 TFLOPS | 3.29 TFLOPS |
| Texture Filter Rate | 648 GTexels/s | 103 GTexels/s |
| GPU Memory Speed | 2000MHz | 1375MHz |
| Total GPU Shading Units | 4608 | 1792 |
| Total GPU TMUs | 288 | 112 |
| GPU Boost Clock Speed | 2250MHz | 1000MHz |
| GPU Render Output Units (ROPs) | 128 | 32 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
AMD Radeon RX 6800 XT | AMD Radeon R9 285 |
|---|---|---|
| DirectX Version Info | 12 | 12 |
| OpenGL Driver Version | 4.6 | 4.4 |
| OpenCL Driver Version | 2 | 1.2 |
| Multi-display Tech Support |  Yes
|
Yes
|
| 3D Support | Yes
|
No
|
| Ray Tracing Support | Yes
|
No
|
| Multi-GPU Support Count | Not Known | 4 |
| No. of Supported Displays | Not Known | 5 |
Miscellaneous
|
AMD Radeon RX 6800 XT | AMD Radeon R9 285 |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
AMD Radeon RX 6800 XT | AMD Radeon R9 285 |
|---|---|---|
| HDMI Output Support | Yes
|
Yes
|
| GPU HDMI Version | 2.1 | Not Known |
| DisplayPort Output | 2 | 1 |
| No. of HDMI Ports | 1 | Not Known |
| DVI Output Ports | 0 | 2 |
| Mini DisplayPort Output | 0 | Not Known |
General info
|
AMD Radeon RX 6800 XT | 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 | 267mm | Not Known |
| Height | 120mm | Not Known |
Memory
|
AMD Radeon RX 6800 XT | 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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