AMD Radeon RX 6800 XT vs HIS Radeon R9 390X IceQ X2
VS
AMD Radeon RX 6800 XT
HIS Radeon R9 390X IceQ X2
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
AMD Radeon RX 6800 XT
HIS Radeon R9 390X IceQ X2
Key Differences
|
AMD Radeon RX 6800 XT | HIS Radeon R9 390X IceQ X2 |
|---|---|---|
| GPU Base Clock Speed | 1487MHz | 1050MHz |
| GPU Boost Clock Speed | 2250MHz | Not Known |
| Pixel Rate | 288 GPixel/s | 67.2 GPixel/s |
| GPU Memory Speed | 2000MHz | 1500MHz |
| GPU Render Output Units (ROPs) | 128 | 64 |
| No. of Supported Displays | Not Known | 6 |
Performance
|
AMD Radeon RX 6800 XT | HIS Radeon R9 390X IceQ X2 |
|---|---|---|
| GPU Base Clock Speed | 1487MHz | 1050MHz |
| Pixel Rate | 288 GPixel/s | 67.2 GPixel/s |
| FLOPS (Floating-point Performance) | 20.74 TFLOPS | 5.91 TFLOPS |
| Texture Filter Rate | 648 GTexels/s | 184.8 GTexels/s |
| GPU Memory Speed | 2000MHz | 1500MHz |
| Total GPU Shading Units | 4608 | 2816 |
| Total GPU TMUs | 288 | 176 |
| GPU Boost Clock Speed | 2250MHz | Not Known |
| GPU Render Output Units (ROPs) | 128 | 64 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
AMD Radeon RX 6800 XT | HIS Radeon R9 390X IceQ X2 |
|---|---|---|
| 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
|
| Ray Tracing Support | Yes
|
No
|
| Multi-GPU Support Count | Not Known | 4 |
| No. of Supported Displays | Not Known | 6 |
Miscellaneous
|
AMD Radeon RX 6800 XT | HIS Radeon R9 390X IceQ X2 |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
AMD Radeon RX 6800 XT | HIS Radeon R9 390X IceQ X2 |
|---|---|---|
| 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 | 0 |
General info
|
AMD Radeon RX 6800 XT | HIS Radeon R9 390X IceQ X2 |
|---|---|---|
| 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 | 267mm | 297mm |
| Height | 120mm | 143mm |
Memory
|
AMD Radeon RX 6800 XT | HIS Radeon R9 390X IceQ X2 |
|---|---|---|
| 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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