Sapphire Radeon RX 6800 XT vs Gigabyte Radeon R9 390 WindForce 2X
VS
Sapphire Radeon RX 6800 XT
Gigabyte Radeon R9 390 WindForce 2X
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
Sapphire Radeon RX 6800 XT
Gigabyte Radeon R9 390 WindForce 2X
Key Differences
|
Sapphire Radeon RX 6800 XT | Gigabyte Radeon R9 390 WindForce 2X |
|---|---|---|
| GPU Base Clock Speed | 1825MHz | 1000MHz |
| GPU Boost Clock Speed | 2250MHz | Not Known |
| Pixel Rate | 288 GPixel/s | Not Known |
| GPU Memory Speed | 2000MHz | Not Known |
| GPU Render Output Units (ROPs) | 128 | 64 |
| No. of Supported Displays | 4 | 4 |
Performance
|
Sapphire Radeon RX 6800 XT | Gigabyte Radeon R9 390 WindForce 2X |
|---|---|---|
| GPU Base Clock Speed | 1825MHz | 1000MHz |
| Pixel Rate | 288 GPixel/s | Not Known |
| FLOPS (Floating-point Performance) | 20.74 TFLOPS | Not Known |
| GPU Memory Speed | 2000MHz | Not Known |
| Texture Filter Rate | 648 GTexels/s | Not Known |
| Total GPU Shading Units | 4608 | 2560 |
| Total GPU TMUs | 288 | 160 |
| GPU Boost Clock Speed | 2250MHz | Not Known |
| GPU Render Output Units (ROPs) | 128 | 64 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Sapphire Radeon RX 6800 XT | Gigabyte Radeon R9 390 WindForce 2X |
|---|---|---|
| DirectX Version Info | 12 | 12 |
| OpenGL Driver Version | 4.6 | 4.5 |
| OpenCL Driver Version | 2 | 2.1 |
| Multi-display Tech Support |  Yes
|
Yes
|
| 3D Support | Yes
|
Yes
|
| Multi-GPU Support Count | 0 | Not Known |
| Ray Tracing Support | Yes
|
No
|
| No. of Supported Displays | 4 | 4 |
Miscellaneous
|
Sapphire Radeon RX 6800 XT | Gigabyte Radeon R9 390 WindForce 2X |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
Sapphire Radeon RX 6800 XT | Gigabyte Radeon R9 390 WindForce 2X |
|---|---|---|
| HDMI Output Support | Yes
|
Yes
|
| DisplayPort Output | 2 | 1 |
| No. of HDMI Ports | 1 | Not Known |
| DVI Output Ports | 0 | 2 |
| Mini DisplayPort Output | 0 | 0 |
General info
|
Sapphire Radeon RX 6800 XT | Gigabyte Radeon R9 390 WindForce 2X |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | Not Known |
| Transistor Count | 26800 million | No Data Found |
| Semiconductor Size | 7nm | 28nm |
| PCI Express Version | 4 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 266.7mm | 243mm |
| Height | 119.8mm | 114mm |
Memory
|
Sapphire Radeon RX 6800 XT | Gigabyte Radeon R9 390 WindForce 2X |
|---|---|---|
| Effective Memory Clock | 16000MHz | 6000MHz |
| Max Memory Bandwidth | 512GB/s | Not Known |
| 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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