End Of The Line At 3.40 GHz
We continued to increase the core voltage, first to 1.475 V and then to 1.500 V.
We were able to boot the system at 3.40 GHz without a problem, and even run several benchmarks, but not all of them. At this speed, Prime95 - our standard when it comes to stability tests - would not complete its test run without errors.
If you use a water-cooling system, you may be able to reach higher frequencies still, since the core temperature is much lower than using normal air-cooling, giving the core a little more overclocking headroom.
A side view of the Athlon 64 X2 5000+ Black Edition.
When we tried increasing the clock speed beyond 3.4 GHz, the system crashed immediately.
Since the front-side bus is not overclocked, the chipset does not require additional cooling.
As the final entry in our overclocking logbook, we present you with a table detailing the combinations of multipliers, voltages and memory speeds of our overclocking tests with the 5000+ Black Edition:
| Overclocking Logbook | |||
|---|---|---|---|
| Frequency | Voltage | Memory | Multiplier |
| 2.60 GHz | Standard | DDR2-743 | 13x |
| 3.10 GHz | Standard | DDR2-775 | 15.5x |
| 3.20 GHz | 1.400 V | DDR2-800 | 16x| |
| 3.30 GHz | 1.450 V | DDR2-733 | 16.5x |
| 3.40 GHz | > 1.475 V | DDR2-755 | 17x |
The last of the four Black Edition stickers.
