48
Sapphire HD 7970 Toxic 6 GB Review
Value & Conclusion »Temperatures
Temperatures are comfortably low. I would have gladly accepted a bit higher for less fan noise.
| GPU Temperature Comparison | ||
|---|---|---|
| Idle | Load | |
| Sapphire HD 7970 Toxic | 36°C | 71°C |
| Sapphire HD 7970 Toxic Boost | 38°C | 69°C |
| Gigabyte HD 7970 Super OC | 46°C | 85°C |
| HD 7970 GHz Edition | 40°C | 83°C |
| MSI HD 7970 Lightning | 39°C | 76°C |
| AMD HD 7970 | 45°C | 78°C |
cooler design, and production variances. This table just serves to provide
a list of typical temperatures for similar cards, determined during TPU review.
Clock Profiles
Modern graphics cards have several clock profiles that are selected to balance power draw and performance requirements.The following table lists the clock settings for important performance scenarios, and the GPU voltage that we measured. We performed the measurement on the pins of a coil or a capacitor near the GPU voltage regulator.
Normal BIOS:
| Core Clock | Memory Clock | GPU Voltage (measured) | |
|---|---|---|---|
| Desktop | 300 MHz | 150 MHz | 0.87 V |
| Multi-Monitor | 500 MHz | 1500 MHz | 0.98 V |
| Blu-ray Playback | 501 MHz | 1500 MHz | 0.97 V |
| 3D Load | 1100 MHz | 1500 MHz | 1.29 V |
| Core Clock | Memory Clock | GPU Voltage (measured) | |
|---|---|---|---|
| Desktop | 300 MHz | 150 MHz | 0.86 V |
| Multi-Monitor | 500 MHz | 1600 MHz | 0.97 V |
| Blu-ray Playback | 501 MHz | 1600 MHz | 0.97 V |
| 3D Load | 1200 MHz | 1600 MHz | 1.35 V |
| CCC Overdrive Limits | |
|---|---|
| Core | 1500 MHz |
| Memory | 2000 MHz |
Dec 23rd, 2024 21:15 EST
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