5
Sapphire HD 7770 Vapor-X 1 GB Review
Temperatures & Clock Profiles »Overclocking
The overclocks listed in this section were achieved with the default fan and voltage settings as defined in the VGA BIOS. Please note that every single sample overclocks differently, that's why our results here can only serve as a guideline for what you can expect from your card.
Maximum stable clocks of our card are 1235 MHz core (12% overclock) and 1515 MHz Memory (17% overclock).
| Maximum Overclock Comparison | ||
|---|---|---|
| Max. GPU Clock | Max. Memory Clock | |
| Sapphire HD 7770 Vapor-X | 1235 MHz | 1515 MHz |
| Gigabyte HD 7770 OC | 1110 MHz | 1435 MHz |
| MSI HD 7770 OC | 1180 MHz | 1660 MHz |
| XFX HD 7770 SOC | 1160 MHz | 1625 MHz |
| AMD HD 7770 | 1145 MHz | 1495 MHz |
will overclock slightly differently based on random production variances.
This table just serves to provide a list of typical overclocks for similar cards,
reached during TPU review.
Overclocked Performance
Using these clock frequencies we ran a quick test of Battlefield 3 to evaluate the gains from overclocking.
Actual 3D performance gained from overclocking is 15.4%.
Jun 4th, 2024 12:53 EDT
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