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The NVIDIA GeForce GTX 1660 SUPER runs at an average of 72.1°C under load based on 22 community submissions. The hottest 10% of submissions report temperatures above 84°C, while the coolest 10% stay below 60°C. Idle temperatures average 48.2°C.
Mid-range GPUs target 60–75°C under load with their stock cooler. Most have enough thermal headroom to be undervolted for quieter operation.
Other mid-range GPUs from NVIDIA
Ambient room temperature affects readings. Average reported ambient: 25.9°C.
| Date | Cooling | Idle | Load |
|---|---|---|---|
| Sep 23, 2026 | Aftermarket Air CoolerXilence | 56.0°C | 60.0°C |
| Sep 19, 2026 | Stock Cooler | 70.0°C | 86.0°C |
| Sep 19, 2026 | Stock Cooler | 73.0°C | 86.0°C |
| Sep 10, 2026 | AIO Liquid Cooler | 44.0°C | 74.0°C |
| Sep 2, 2026 | — | 39.0°C | 70.0°C |
Based on 22 community submissions, the NVIDIA GeForce GTX 1660 SUPER runs at an average idle temperature of 48.2°C and an average load temperature of 72.1°C. Anything between 60°C and 84°C under load is within the typical range for this hardware.
The safe operating ceiling for mid-range GPUs like the NVIDIA GeForce GTX 1660 SUPER is around 83°C under sustained load. 72.1°C is within the safe operating range. If you're exceeding 83°C, check thermal paste, cooler mounting, dust buildup, and case airflow.
For a 125W mid-range GPU like the NVIDIA GeForce GTX 1660 SUPER, a quality 240mm AIO or a high-end dual-tower air cooler (Noctua NH-D15, Thermalright Phantom Spirit) is generally sufficient to keep load temperatures well within safe limits. Higher TDP variants (overclocked or PBO-enabled) benefit from 360mm AIO cooling.
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