ASRock Radeon RX 6800 XT Phantom Gaming D OC vs Nvidia GeForce GTX 645 OEM
VS
ASRock Radeon RX 6800 XT Phantom Gaming D OC
Nvidia GeForce GTX 645 OEM
Key Differences
Performance
Features
Ports
General info
Memory
ASRock Radeon RX 6800 XT Phantom Gaming D OC
Nvidia GeForce GTX 645 OEM
Key Differences
|
ASRock Radeon RX 6800 XT Phantom Gaming D OC | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| GPU Base Clock Speed | 1875MHz | 823MHz |
| GPU Boost Clock Speed | 2310MHz | 888MHz |
| Pixel Rate | 295.7 GPixel/s | 9.88 GPixel/s |
| GPU Memory Speed | 2000MHz | 1000MHz |
| GPU Render Output Units (ROPs) | 128 | 16 |
| No. of Supported Displays | 4 | 4 |
Performance
|
ASRock Radeon RX 6800 XT Phantom Gaming D OC | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| GPU Base Clock Speed | 1875MHz | 823MHz |
| Pixel Rate | 295.7 GPixel/s | 9.88 GPixel/s |
| FLOPS (Floating-point Performance) | 21.29 TFLOPS | 0.95 TFLOPS |
| GPU Memory Speed | 2000MHz | 1000MHz |
| Texture Filter Rate | 665.3 GTexels/s | 39.5 GTexels/s |
| Total GPU Shading Units | 4608 | 576 |
| Total GPU TMUs | 288 | 48 |
| GPU Boost Clock Speed | 2310MHz | 888MHz |
| GPU Render Output Units (ROPs) | 128 | 16 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
ASRock Radeon RX 6800 XT Phantom Gaming D OC | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| DirectX Version Info | 12 | 11 |
| OpenGL Driver Version | 4.6 | 4.3 |
| OpenCL Driver Version | 2.1 | 1.1 |
| Multi-display Tech Support |  Yes
|
Yes
|
| 3D Support | Yes
|
Yes
|
| Ray Tracing Support | Yes
|
No
|
| No. of Supported Displays | 4 | 4 |
| PassMark (G3D) Score | Not Known | 1977 |
| PassMark (DirectCompute) Benchmark Result | Not Known | 943 |
Ports
|
ASRock Radeon RX 6800 XT Phantom Gaming D OC | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| 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
|
ASRock Radeon RX 6800 XT Phantom Gaming D OC | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 26800 million | 2540 million |
| Semiconductor Size | 7nm | 28nm |
| PCI Express Version | 4 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 330mm | 145mm |
| Height | 140mm | 111mm |
Memory
|
ASRock Radeon RX 6800 XT Phantom Gaming D OC | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| Effective Memory Clock | 16000MHz | 4000MHz |
| Max Memory Bandwidth | 512GB/s | 64GB/s |
| RAM | 16GB | 1GB |
| Memory Bus Interface Width | 256bit | 128bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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