AMD Radeon RX 6800 vs Nvidia GeForce GTX 660 OEM
VS
AMD Radeon RX 6800
Nvidia GeForce GTX 660 OEM
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
AMD Radeon RX 6800
Nvidia GeForce GTX 660 OEM
Key Differences
|
AMD Radeon RX 6800 | Nvidia GeForce GTX 660 OEM |
|---|---|---|
| GPU Base Clock Speed | 1372MHz | 823MHz |
| GPU Boost Clock Speed | 1815MHz | 888MHz |
| Pixel Rate | 202.1 GPixel/s | 19.8 GPixel/s |
| GPU Memory Speed | 2000MHz | Not Known |
| GPU Render Output Units (ROPs) | 96 | 32 |
| No. of Supported Displays | Not Known | 4 |
Performance
|
AMD Radeon RX 6800 | Nvidia GeForce GTX 660 OEM |
|---|---|---|
| GPU Base Clock Speed | 1372MHz | 823MHz |
| Pixel Rate | 202.1 GPixel/s | 19.8 GPixel/s |
| FLOPS (Floating-point Performance) | 16.17 TFLOPS | 1.9 TFLOPS |
| Texture Filter Rate | 505.2 GTexels/s | 79 GTexels/s |
| GPU Memory Speed | 2000MHz | Not Known |
| Total GPU Shading Units | 3840 | 1152 |
| Total GPU TMUs | 240 | 98 |
| GPU Boost Clock Speed | 1815MHz | 888MHz |
| GPU Render Output Units (ROPs) | 96 | 32 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
AMD Radeon RX 6800 | Nvidia GeForce GTX 660 OEM |
|---|---|---|
| DirectX Version Info | 12 | 11 |
| OpenGL Driver Version | 4.6 | 4.3 |
| OpenCL Driver Version | 2 | 1.1 |
| Multi-display Tech Support |  Yes
|
No
|
| 3D Support | Yes
|
Yes
|
| Ray Tracing Support | Yes
|
No
|
| No. of Supported Displays | Not Known | 4 |
Miscellaneous
|
AMD Radeon RX 6800 | Nvidia GeForce GTX 660 OEM |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
AMD Radeon RX 6800 | Nvidia GeForce GTX 660 OEM |
|---|---|---|
| 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 | Not Known |
General info
|
AMD Radeon RX 6800 | Nvidia GeForce GTX 660 OEM |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 26800 million | 3540 million |
| Semiconductor Size | 7nm | 28nm |
| PCI Express Version | 4 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 267mm | 241mm |
| Height | 120mm | 111mm |
Memory
|
AMD Radeon RX 6800 | Nvidia GeForce GTX 660 OEM |
|---|---|---|
| Effective Memory Clock | 16000MHz | 5600MHz |
| Max Memory Bandwidth | 512GB/s | 179GB/s |
| RAM | 16GB | 2GB |
| Memory Bus Interface Width | 256bit | 256bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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