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- Does Cache Size Really Boost Performance?
- AMD's Athlon 64 X2 5000+ Black Edition
- The Truth About PC Power Consumption
- Parallel Processing, Part 1: CPU Cores
- What if Your CPU Cooler Fails?
- $89 Pentium Dual Core that Runs at 3.2 GHz
- Can CPUs Make PCs Faster & Quieter?
- Extreme FSB 2: The Quad-Core Advantage?
- Extreme FSB: Taking the E6750 Beyond 4 GHz
- What's Faster Our Builds or Dell's H2C?
Source: Tom's Hardware US – Keywords: intel, penryn, 4ghz, air, cooling
Topics: AMD/ATI, Build Your Own, INTEL
Syndication:
- 1 – Revamping The Core 2 Architecture - New Flagship: Extreme QX9650
- 2 – New Dielectric Minimizes Leakage Currents
- 3 – 45 nm - Higher Yield, Smaller Die Area
- 4 – 12 MB L2 Cache And SSE 4
- 5 – The Processor - Intel Core 2 QX9650
- 6 – Overclocking I - 3.33 GHz
- 7 – Overclocking II - 3.66 GHz
- 8 – Overclocking III - 3.8 GHz
- 9 – Overclocking IV - 4 GHz At Very High Voltage
- 10 – Overclocking V - 4 GHz At FSB 1600
- 11 – Overclocking - Up To 19% More Performance
- 12 – Overclocking To 4.0 GHz - FSB1600 Offers No Advantage
- 13 – Sensational: Idle Power Consumption Of Only 3.79 Watts
- 14 – Very Good - 73 Watts For Four Cores
- 15 – Lower Core Voltage - 1.250 Volts
- 16 – Operating Temperature - 12°C Lower
- 17 – Penryn-Based Core 2 CPUs - Models, Prices, New Boxed Cooler
- 18 – New Boxed Cooler
- 19 – Performance Comparison - Old Vs. New - 6.9% Better Performance
- 20 – Test Setup
- 21 – Software Configuration
- 22 – Benchmarks And Settings
- 23 – 3D Games: UT2004, Prey
- 24 – 3D Games: Quake 4, Warhammer
- 25 – 3D Games: Supreme Commander, Serious Sam 2
- 26 – 3D Rendering: Cinema 4D, 3D-Studio Max
- 27 – Applications: AVG, WinRAR
- 28 – Applications: Photoshop, PDF
- 29 – Applications: Deep Fritz
- 30 – Audio Encoding: ITunes, Lame
- 31 – Synthetic: Sandra CPU
- 32 – Synthetic: Sandra Memory
- 33 – Synthetic: Sandra Multimedia
- 34 – Synthetic: PC-Mark
- 35 – Synthetic: 3D-Mark
- 36 – Video Encoding: Xvid, Pinnacle Studio
- 37 – Video Encoding: Premiere, MainConcept
- 38 – Video Encoding: HDTV, DivX
- 39 – Video Encoding: CloneDVD
- 40 – Conclusion: Less Noise, More Efficiency, More Speed and More Overclockin...
Overclocking II - 3.66 GHz
The next multiplier up is 11x, which gives us a clock speed of 3.66 GHz. The processor couldn't manage this speed without a voltage tweak. While it booted into Vista just fine, it couldn't pass Prime95's stability test.

Our sample only became stable after we raised the core voltage to 1.29375 V, an increase of 0.04375 V.

A minimal increase in core voltage was sufficient to reach a stable 3.66 GHz.
-
7 – Overclocking II - 3.66 GHz
- 1 – Revamping The Core 2 Architecture - New Flagship: Extreme QX9650
- 2 – New Dielectric Minimizes Leakage Currents
- 3 – 45 nm - Higher Yield, Smaller Die Area
- 4 – 12 MB L2 Cache And SSE 4
- 5 – The Processor - Intel Core 2 QX9650
- 6 – Overclocking I - 3.33 GHz
- 7 – Overclocking II - 3.66 GHz
- 8 – Overclocking III - 3.8 GHz
- 9 – Overclocking IV - 4 GHz At Very High Voltage
- 10 – Overclocking V - 4 GHz At FSB 1600
- 11 – Overclocking - Up To 19% More Performance
- 12 – Overclocking To 4.0 GHz - FSB1600 Offers No Advantage
- 13 – Sensational: Idle Power Consumption Of Only 3.79 Watts
- 14 – Very Good - 73 Watts For Four Cores
- 15 – Lower Core Voltage - 1.250 Volts
- 16 – Operating Temperature - 12°C Lower
- 17 – Penryn-Based Core 2 CPUs - Models, Prices, New Boxed Cooler
- 18 – New Boxed Cooler
- 19 – Performance Comparison - Old Vs. New - 6.9% Better Performance
- 20 – Test Setup
- 21 – Software Configuration
- 22 – Benchmarks And Settings
- 23 – 3D Games: UT2004, Prey
- 24 – 3D Games: Quake 4, Warhammer
- 25 – 3D Games: Supreme Commander, Serious Sam 2
- 26 – 3D Rendering: Cinema 4D, 3D-Studio Max
- 27 – Applications: AVG, WinRAR
- 28 – Applications: Photoshop, PDF
- 29 – Applications: Deep Fritz
- 30 – Audio Encoding: ITunes, Lame
- 31 – Synthetic: Sandra CPU
- 32 – Synthetic: Sandra Memory
- 33 – Synthetic: Sandra Multimedia
- 34 – Synthetic: PC-Mark
- 35 – Synthetic: 3D-Mark
- 36 – Video Encoding: Xvid, Pinnacle Studio
- 37 – Video Encoding: Premiere, MainConcept
- 38 – Video Encoding: HDTV, DivX
- 39 – Video Encoding: CloneDVD
- 40 – Conclusion: Less Noise, More Efficiency, More Speed and More Overclockin...
- Previous page Overclocking I - 3.33 GHz
- Next page Overclocking III - 3.8 GHz
