- Can AMD'S 65 nm Core Fight Back?
- Overclocking Guide Part 2: Suggested Components and Settings
- Overclocking Guide Part 1: Risks, Choices and Benefits
- Quad-Core Xeon Clovertown Rolls Into DP Servers
- AMD's 4x4 Platform & Athlon 64 FX-70 - Brute Force Quad Cores
- Kentsfield Released: Core 2 Quad Core Ready to Ravage the High-End
- Intel Xeon and AMD Opteron Battle Head to Head
- Cheap Thrills: Core 2 Duo E6400 Overclocked to 3.33 GHz
- IDF Fall 2006: From Core 2 Quadro to 80 Cores
- Green Machine: AMD Dual-Core Platform at 54W
The Candidate: Core 2 Duo E6300
Source: Tom's Hardware US – Keywords: core, 2, duo, overtakes, core, 2, extreme
Syndication:
The Candidate: Core 2 Duo E6300

Only three months ago, we overclocked a Core 2 Duo E6400 from 2.13 GHz to 3.33 GHz by raising the FSB speed from 266 MHz to 415 MHz. Tom Soderstrom increased the core voltage to 1.5 V to make the system run reliably; more system clock speed would have been possible, but the processor hit its limits.
Using the Core 2 Duo E6300 instead of the E6400 saves you $30, and we also recommend sticking with the default cooler that comes with the CPU. In our E6400 overclocking project we used a liquid cooling solution to provide maximum cooling for the processor, but the E6300 that we bought proved to be an even better overclocker, and doesn't require sophisticated cooling measures. The answer likely lies in the processor stepping: the E6400 sample was an F5 stepping, while the current versions are F6.

Test Setup
| System Hardware | |
|---|---|
| Processor | Intel Core 2 Duo E6300 (Conroe 65 nm, 1.86 GHz, 2 MB L2 Cache) |
| Motherboard | Gigabyte GA-965P-DQ6 2.0
Chipset: Intel 965P, BIOS: F8 |
| Common Hardware | |
| RAM I | 2x 1024 MB DDR2-1111 (CL 4.0-4-4-12)
Corsair CM2X1024-8888C4D XMS6403v1.1 |
| RAM II | 2x 1024 MB DDR2-800 (CL 3.0-4-3-9)
Corsair CM2X1024-6400C3 XMS6403v1.1 |
| Graphics Card | HIS X1900XTX IceQ3
GPU: ATI Radeon X1900XTX (650 MHz) RAM: 512 MB GDDR3 (1550 MHz) |
| Hard Drive I (read) | 1x 150 GB 10,000 RPM, 8 MB Cache, SATA/300
Western Digital WD1500ADFD |
| Hard Drive II (write) | 1x 150 GB 10,000 RPM, 8 MB Cache, SATA/300
Western Digital WD1500ADFD |
| DVD-ROM | Gigabyte GO-D1600C (16x) |
| Software | |
| ATI Graphics | Catalyst Suite 6.11 |
| Intel Chipset | Software Installation Utility 8.1.1.1010 |
| Nvidia nForce 680i Series | Forceware 9.53 |
| DirectX | Version: 9.0c (4.09.0000.0904) |
| OS | Windows XP, Build 2600 SP2 |
Test Motherboard: Gigabyte GA-965P-DQ6

We used Gigabyte's GA-965P-DQ6, which proved to be an excellent overclocker in our last P965 motherboard roundup.
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