PowerColor HD 7870 PCS+ 2 GB Review 16

PowerColor HD 7870 PCS+ 2 GB Review

Value & Conclusion »

Temperatures



We also tested the Vortex II feature that lets you adjust the distance of the fan from the card by rotating it. No matter what configuration, we only saw very tiny differences that can barely be measured and certainly have no impact on everyday use.

GPU Temperature Comparison
IdleLoad
PowerColor HD 7870 Vortex37°C68°C
Sapphire HD 7870 Flex34°C63°C
MSI HD 7870 HAWK32°C76°C
MSI HD 7870 TF III OC37°C69°C
ASUS HD 7870 DC II33°C75°C
AMD HD 787029°C69°C
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)
Desktop300 MHz150 MHz0.82 V
Multi-Monitor400 MHz1250 MHz1.26 V
Blu-ray Playback1150 MHz1250 MHz1.25 V
3D Load1150 MHz1250 MHz1.22 V

CCC Overdrive Limits
Core1400 MHz
Memory1450 MHz
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