Temperatures
Temperatures are good and seem to be well-tuned to the card's heat output through the cooler's heat-dissipation capabilities, while also keeping fan speed as low as possible.
GPU Temperature Comparison |
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| Idle | Load |
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HD 7990 | 42°C / 42°C | 80°C / 76°C |
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ASUS ARES II | 27°C / 27°C | 53°C / 50°C |
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ASUS HD 7970 Matrix | 39°C | 70°C |
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Sapphire HD 7970 Toxic | 36°C | 71°C |
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AMD HD 7970 GHz | 40°C | 83°C |
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NVIDIA GTX 690 | 35°C | 81°C |
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NVIDIA GTX Titan | 30°C | 81°C |
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Important: GPU temperature will vary depending on clock speed, voltage settings,
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.
| Core Clock | Memory Clock | GPU Voltage (measured) |
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Desktop | 300 MHz | 150 MHz | 0.85 V |
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Multi-Monitor | 501 MHz | 1500 MHz | 0.95 V |
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Blu-ray Playback | 501 MHz | 1500 MHz | 0.95 V |
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3D Load | 1000 MHz | 1500 MHz | 1.20 V |
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The second GPU runs the same clocks and voltages, but is in ZeroCore mode in both single-monitor and multi-monitor mode, and with Blu-ray.
CCC Overdrive Limits |
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Core | 1100 MHz |
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Memory | 1575 MHz |
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