Gigabyte Radeon RX 6800 XT vs EVGA GeForce GTX 660 SC Signature 2
VS
Gigabyte Radeon RX 6800 XT
EVGA GeForce GTX 660 SC Signature 2
Key Differences
Performance
Features
Miscellaneous
Ports
General info
Memory
Gigabyte Radeon RX 6800 XT
EVGA GeForce GTX 660 SC Signature 2
Key Differences
|
Gigabyte Radeon RX 6800 XT | EVGA GeForce GTX 660 SC Signature 2 |
|---|---|---|
| GPU Base Clock Speed | 1825MHz | 1046MHz |
| GPU Boost Clock Speed | 2250MHz | 1110MHz |
| Pixel Rate | 288 GPixel/s | 20.9 GPixel/s |
| GPU Memory Speed | 2000MHz | 1502MHz |
| GPU Render Output Units (ROPs) | 128 | 24 |
| No. of Supported Displays | 4 | 4 |
Performance
|
Gigabyte Radeon RX 6800 XT | EVGA GeForce GTX 660 SC Signature 2 |
|---|---|---|
| GPU Base Clock Speed | 1825MHz | 1046MHz |
| Pixel Rate | 288 GPixel/s | 20.9 GPixel/s |
| FLOPS (Floating-point Performance) | 20.74 TFLOPS | 2.01 TFLOPS |
| GPU Memory Speed | 2000MHz | 1502MHz |
| Texture Filter Rate | 648 GTexels/s | 83.7 GTexels/s |
| Total GPU Shading Units | 4608 | 960 |
| Total GPU TMUs | 288 | 80 |
| GPU Boost Clock Speed | 2250MHz | 1110MHz |
| GPU Render Output Units (ROPs) | 128 | 24 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Gigabyte Radeon RX 6800 XT | EVGA GeForce GTX 660 SC Signature 2 |
|---|---|---|
| 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 | 4104 |
| 3DMark Vantage Texture Fill Result | Not Known | 65.3GTexels/s |
| GPU Temperature Under Load | Not Known | 72°C |
| 3DMark Vantage Pixel Fill Result | Not Known | 9.9GPixel/s |
| PassMark (DirectCompute) Benchmark Result | Not Known | 1933 |
| Idle GPU Temperature | Not Known | 30°C |
| Noise Level Under Load | Not Known | 47.4dB |
| Power Consumption Under Peak Load | Not Known | 296W |
| Idle Power Consumption | Not Known | 110W |
| Idle Noise Level | Not Known | 40.8dB |
| SmallLuxGPU (2.0d4) Result | Not Known | 5000 |
Miscellaneous
|
Gigabyte Radeon RX 6800 XT | EVGA GeForce GTX 660 SC Signature 2 |
|---|---|---|
| No. of USB Ports | 1 | No Data Found |
| USB Type-C Support | Yes
|
No Data Found |
Ports
|
Gigabyte Radeon RX 6800 XT | EVGA GeForce GTX 660 SC Signature 2 |
|---|---|---|
| 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
|
Gigabyte Radeon RX 6800 XT | EVGA GeForce GTX 660 SC Signature 2 |
|---|---|---|
| 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 | 267mm | 241mm |
| Height | 120mm | 111mm |
Memory
|
Gigabyte Radeon RX 6800 XT | EVGA GeForce GTX 660 SC Signature 2 |
|---|---|---|
| Effective Memory Clock | 16000MHz | 6008MHz |
| Max Memory Bandwidth | 512GB/s | 144GB/s |
| RAM | 16GB | 2GB |
| Memory Bus Interface Width | 256bit | 192bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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