Gainward GeForce RTX 3080 Phoenix GS vs Gigabyte GeForce GTX 660 WindForce 2X
VS
Gainward GeForce RTX 3080 Phoenix GS
Gigabyte GeForce GTX 660 WindForce 2X
Key Differences
Performance
Features
Ports
General info
Memory
Gainward GeForce RTX 3080 Phoenix GS
Gigabyte GeForce GTX 660 WindForce 2X
Key Differences
|
Gainward GeForce RTX 3080 Phoenix GS | Gigabyte GeForce GTX 660 WindForce 2X |
|---|---|---|
| GPU Base Clock Speed | 1440MHz | 980MHz |
| GPU Boost Clock Speed | 1740MHz | 1046MHz |
| Pixel Rate | 167 GPixel/s | 19.6 GPixel/s |
| GPU Memory Speed | 1188MHz | 1502MHz |
| GPU Render Output Units (ROPs) | 96 | 24 |
| No. of Supported Displays | Not Known | 4 |
Performance
|
Gainward GeForce RTX 3080 Phoenix GS | Gigabyte GeForce GTX 660 WindForce 2X |
|---|---|---|
| GPU Base Clock Speed | 1440MHz | 980MHz |
| Pixel Rate | 167 GPixel/s | 19.6 GPixel/s |
| FLOPS (Floating-point Performance) | 30.29 TFLOPS | 1.88 TFLOPS |
| GPU Memory Speed | 1188MHz | 1502MHz |
| Texture Filter Rate | 473.3 GTexels/s | 78.4 GTexels/s |
| Total GPU Shading Units | 8704 | 960 |
| Total GPU TMUs | 272 | 80 |
| GPU Boost Clock Speed | 1740MHz | 1046MHz |
| GPU Render Output Units (ROPs) | 96 | 24 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Gainward GeForce RTX 3080 Phoenix GS | Gigabyte GeForce GTX 660 WindForce 2X |
|---|---|---|
| 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
|
| 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 |
| No. of Supported Displays | Not Known | 4 |
Ports
|
Gainward GeForce RTX 3080 Phoenix GS | Gigabyte GeForce GTX 660 WindForce 2X |
|---|---|---|
| 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
|
Gainward GeForce RTX 3080 Phoenix GS | Gigabyte GeForce GTX 660 WindForce 2X |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 28000 million | 2540 million |
| Semiconductor Size | 8nm | 28nm |
| PCI Express Version | 4 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 294mm | 256mm |
| Height | 112mm | 111mm |
Memory
|
Gainward GeForce RTX 3080 Phoenix GS | Gigabyte GeForce GTX 660 WindForce 2X |
|---|---|---|
| Effective Memory Clock | 19000MHz | 6008MHz |
| Max Memory Bandwidth | 760GB/s | 144GB/s |
| RAM | 10GB | 2GB |
| Memory Bus Interface Width | 320bit | 192bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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