Sapphire Radeon RX 6800 vs Nvidia GeForce GTX 645 OEM
VS
Sapphire Radeon RX 6800
Nvidia GeForce GTX 645 OEM
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
Sapphire Radeon RX 6800
Nvidia GeForce GTX 645 OEM
Key Differences
|
Sapphire Radeon RX 6800 | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| GPU Base Clock Speed | 1700MHz | 823MHz |
| GPU Boost Clock Speed | 2105MHz | 888MHz |
| Pixel Rate | 202.1 GPixel/s | 9.88 GPixel/s |
| GPU Memory Speed | 2000MHz | 1000MHz |
| GPU Render Output Units (ROPs) | 96 | 16 |
| No. of Supported Displays | 4 | 4 |
Performance
|
Sapphire Radeon RX 6800 | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| GPU Base Clock Speed | 1700MHz | 823MHz |
| Pixel Rate | 202.1 GPixel/s | 9.88 GPixel/s |
| FLOPS (Floating-point Performance) | 16.17 TFLOPS | 0.95 TFLOPS |
| Texture Filter Rate | 505.2 GTexels/s | 39.5 GTexels/s |
| GPU Memory Speed | 2000MHz | 1000MHz |
| Total GPU Shading Units | 3840 | 576 |
| Total GPU TMUs | 240 | 48 |
| GPU Boost Clock Speed | 2105MHz | 888MHz |
| GPU Render Output Units (ROPs) | 96 | 16 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Sapphire Radeon RX 6800 | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| DirectX Version Info | 12 | 11 |
| OpenGL Driver Version | 4.6 | 4.3 |
| OpenCL Driver Version | 2 | 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 |
Miscellaneous
|
Sapphire Radeon RX 6800 | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
Sapphire Radeon RX 6800 | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| 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 | 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 | 266.7mm | 145mm |
| Height | 119.8mm | 111mm |
Memory
|
Sapphire Radeon RX 6800 | 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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