Overclocking
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| BIOS Frequency and Voltage settings (for overclocking) | |||
|---|---|---|---|
| Row 0 - Cell 0 | Asus P7P55D Deluxe | EVGA P55 FTW | Gigabyte P55A-UD6 |
| CPU Base Clock | 80-500 MHz (1 MHz) | 133-300 MHz (1 MHz) | 100-1200 MHz (1 MHz) |
| CPU Multiplier | Yes | Yes | Yes |
| DRAM Data Rates | BCLK x6 - x12 (x2) | BCLK x6 - x12 (x2) | BCLK x6 - x12 (x2) |
| PCIe Clock | 100-200 MHz (1 MHz) | 80-200 MHz (1 MHz) | 90-150 MHz (1 MHz) |
| CPU Vcore | 0.85-2.10V (6.25mV) | 1.00-2.30V (6.25mV) | 0.50-1.90V (6.25mV) |
| Uncore Voltage | 1.10-1.90V (6.25mV) | 1.05-2.00V (25mV) | 0.80-1.94V (20mV) |
| PCH Core | 1.05V, 1.15V | 1.05-2.625V (25mV) | 0.85-2.08V (20mV) |
| DRAM Voltage | 1.20-2.50V (12.5mV) | 1.20-2.60V (10mV) | 1.30-2.60V (20mV) |
| CAS Latency | 3-11 Cycles | 3-15 Cycles | 6-15 Cycles |
| tRCD | 3-15 Cycles | 3-15 Cycles | 1-15 Cycles |
| tRP | 3-15 Cycles | 3-15 Cycles | 1-15 Cycles |
| tRAS | 3-31 Cycles | 9-63 Cycles | 1-31 Cycles |
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| BIOS Frequency and Voltage settings (for overclocking) | ||
|---|---|---|
| Row 0 - Cell 0 | Intel DP55KG | MSI P55-GD80 |
| CPU Base Clock | 133-240 MHz (1 MHz) | 100-600 MHz (1 MHz) |
| CPU Multiplier | Yes | Yes |
| DRAM Data Rates | BCLK x6 - x12 (x2) | BCLK x6 - x12 (x2) |
| PCIe Clock | 100-110 MHz (1 MHz) | 90-190 MHz (1 MHz) |
| CPU Vcore | 1.00-2.30V (12.5mV) | 0.90-2.10 (6.25mV) |
| Uncore Voltage | 1.10-1.80V (10mV) | 0.48-2.09V (16mV) |
| PCH Core | 1.03-1.50V (10mV) | 0.46-1.96V (24mV) |
| DRAM Voltage | 1.30-2.00V (10mV) | 0.93-2.43V (15mV) |
| CAS Latency | 5-16 Cycles | 4-15 Cycles |
| tRCD | 5-16 Cycles | 3-15 Cycles |
| tRP | 5-16 Cycles | 3-15 Cycles |
| tRAS | 15-75 Cycles | 9-31 Cycles |
EVGA leads Asus in an extremely tight race for “best overclocking motherboard over $200.”
Intel has the highest base clock, something that should come as a shock to EVGA. The most likely reason some “top-overclocking” motherboard companies aren’t seeing the expected results is that we don't to alter CPU VCC for these tests due to the potential for processor damage, although it’s also possible that our particular CPU sample isn’t as base-clock tolerant as the ones those companies use.
Asus takes top honors in DRAM overclocking, followed closely by EVGA when two modules are installed. With four modules in place, Asus’ top data rate is unrivaled.
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