Comparing Today's Modern CPUs To Intel's Socket 478 Celeron & Pentium 4
Written by Michael Larabel in Processors on 8 June 2015. Page 7 of 7. 36 Comments

Lastly, here are the power consumption metrics for the Celeron and Pentium 4 configurations and a few of the modern Intel systems.

As a reminder, the Celeron D 320 2.4GHz has a 73 Watt TDP and the Pentium 4 C 2.8GHz has a 69.7 Watt TDP. The Atom Z3735F has a 2.2W SDP, the Celeron N2820 has a 7.5 Watt TDP, and the Broadwell Core i3 5010U has a 15 Watt TDP. There's also the graphics and disk differences, but long story short, the power efficiency of Intel x86 CPUs have improved dramatically over the past decade and further.

The Broadwell Core i3 5010 delivers over 4x greater performance-per-Watt than the old NetBurst CPUs while the Bay Trail Z3735F was almost 3x better.

The power consumption during many different benchmarks, per this OpenBenchmarking.org result file.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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