PowerColor Red Devil Radeon RX 6800 XT vs AMD Radeon R9 390X
VS
PowerColor Red Devil Radeon RX 6800 XT
AMD Radeon R9 390X
Key Differences
Performance
Features
Ports
General info
Memory
PowerColor Red Devil Radeon RX 6800 XT
AMD Radeon R9 390X
Key Differences
|
PowerColor Red Devil Radeon RX 6800 XT | AMD Radeon R9 390X |
|---|---|---|
| GPU Base Clock Speed | 1900MHz | 1050MHz |
| GPU Boost Clock Speed | 2340MHz | Not Known |
| Pixel Rate | 299.5 GPixel/s | 67.2 GPixel/s |
| GPU Memory Speed | 2000MHz | 1500MHz |
| GPU Render Output Units (ROPs) | 128 | 64 |
| No. of Supported Displays | 4 | 6 |
Performance
|
PowerColor Red Devil Radeon RX 6800 XT | AMD Radeon R9 390X |
|---|---|---|
| GPU Base Clock Speed | 1900MHz | 1050MHz |
| Pixel Rate | 299.5 GPixel/s | 67.2 GPixel/s |
| FLOPS (Floating-point Performance) | 21.57 TFLOPS | 5.91 TFLOPS |
| GPU Memory Speed | 2000MHz | 1500MHz |
| Texture Filter Rate | 673.9 GTexels/s | 185 GTexels/s |
| Total GPU Shading Units | 4608 | 2816 |
| Total GPU TMUs | 288 | 176 |
| GPU Boost Clock Speed | 2340MHz | Not Known |
| GPU Render Output Units (ROPs) | 128 | 64 |
| DPFP (Double Precision Floating Point) Support |  No
|
 Yes
|
Features
|
PowerColor Red Devil Radeon RX 6800 XT | AMD Radeon R9 390X |
|---|---|---|
| DirectX Version Info | 12 | 12 |
| OpenGL Driver Version | 4.6 | 4.5 |
| OpenCL Driver Version | 2.1 | 2 |
| Multi-display Tech Support | Yes
|
Yes
|
| 3D Support | Yes
|
Yes
|
| Ray Tracing Support | Yes
|
No
|
| No. of Supported Displays | 4 | 6 |
| PassMark (G3D) Score | Not Known | 6992 |
| Multi-GPU Support Count | Not Known | 4 |
Ports
|
PowerColor Red Devil Radeon RX 6800 XT | AMD Radeon R9 390X |
|---|---|---|
| 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 | 0 |
General info
|
PowerColor Red Devil Radeon RX 6800 XT | AMD Radeon R9 390X |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 26800 million | 6200 million |
| Semiconductor Size | 7nm | 28nm |
| PCI Express Version | 4 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 320mm | 275mm |
| Height | 135mm | Not Known |
Memory
|
PowerColor Red Devil Radeon RX 6800 XT | AMD Radeon R9 390X |
|---|---|---|
| Effective Memory Clock | 16000MHz | 6000MHz |
| Max Memory Bandwidth | 512GB/s | 384GB/s |
| RAM | 16GB | 8GB |
| Memory Bus Interface Width | 256bit | 512bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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