It’s hard to believe 15 years have passed since I tested the Pentium 4 series for the first time. At this point I honestly don’t remember many of my experiences with the P4 range, if not because of its age then because it was a pretty rubbish series. I do have many fond memories of testing theCore 2 Duo series however.

Six long years after the Pentium 4, we reviewed the first generation Core 2 Duo processors with the dual-core E6000 range and then the quad-core models a year later. To this day the Core 2 Quad Q6600 might be the most popular enthusiast processor we’ve seen. In fact, almost all Core 2 Duo and Core 2 Quad chips were notoriously good overclockers and many users still claim to be running overclocked LGA775 processors.


Today we are going to take a look back at the Core 2 CPUs and compare them to the current generation Haswell Celeron, Pentium, Core i3, Core i5 and Core i7 parts.

Along the way we will be testing processors such as the 2009/2010 Nehalem Core i5-760 andCore i7-870, as well as the Core i5-2500K and Core i7-2700K Sandy Bridge chips, comprising almost 10 years of Intel mainstream CPUs.

YearProcessPriceBase / TurboCores / ThreadsSocket
Core i7-4790K201322nm$3394.0GHz / 4.4GHz4 / 8LGA1150
Core i5-4670K201322nm$2423.5GHz / 3.9GHz4 / 4LGA1150
Core i3-4350201322nm$1383.6GHz2 / 4LGA1150
Pentium G3220201322nm$643.0GHz2 / 2LGA1150
Celeron G1820201422nm$422.7GHz2 / 2LGA1150
Core i7-2700K201132nm$3323.5GHz / 3.9GHz4 / 8LGA1155
Core i5-2500K201132nm$2163.3GHz / 3.7GHz4 / 4LGA1155
Core i7-870200945nm$5622.93GHz / 3.6GHz4 / 8LGA1156
Core i5-760200945nm$2052.8GHz / 3.33GHz4 / 4LGA1156
Core 2 Quad Q9650200845nm$5303.0GHz4 / 4LGA775
Core 2 Quad Q6600200765nm$5302.4GHz4 / 4LGA775
Core 2 Duo E8600200845nm$2663.33GHz2 / 2LGA775
Core 2 Duo E6600200665nm$3162.4GHz2 / 2LGA775

The only mainstream processor series missing is the Ivy Bridge architecture, though we decided to skip it as the performance leap from Sandy Bridge to Haswell wasn’t significant. Fifth-generation Broadwell processors are also missing as they are not available yet and with Skylakearriving soon it seems this series is being skipped entirely.

Obviously today’s processors are going to be faster than those that are almost a decade old. What we feel is of interest is finding out just how much faster they are in modern applications such as Photoshop CC, x264 HD encoding, and Excel workloads. We’ll also look at gaming performance, albeit with an unrealistically powerful discrete GPU that we could’ve only dreamed of a decade ago.

Finishing up the benchmark phase we’ll also compare power consumption to gauge how much more efficient modern day CPUs really are.

System Specs & Memory Bandwidth Performance

Haswell System Specs
  • Intel Core i7-4790K (4.0GHz – 4.4GHz)
  • Intel Core i5-4670K (3.4GHz – 3.8GHz)
  • Intel Core i3-4350 (3.6GHz)
  • Intel Pentium G3220 (3.0GHz)
  • Intel Celeron G1820 (2.7GHz)
  • Asrock Z97 Extreme6
  • 8GB DDR3-2400 RAM
  • GeForce GTX 980
  • Crucial MX200 1TB
  • SilverStone Essential Gold 750w
  • Windows 8.1 Pro 64-bit
Sandy Bridge System Specs
  • Intel Core i7-2700K (3.5GHz – 3.90GHz)
  • Intel Core i5-2500K (3.3GHz – 3.7GHz)
  • Asrock Z77 Extreme9
  • 8GB DDR3-2400 RAM
  • GeForce GTX 980
  • Crucial MX200 1TB
  • SilverStone Essential Gold 750w
  • Windows 8.1 Pro 64-bit
Lynnfield System Specs
  • Intel Core i7-870 (2.93GHz – 3.6GHz)
  • Intel Core i5-760 (2.8GHz – 3.33GHz)
  • Asrock P55 Deluxe3
  • 8GB DDR3-2133 RAM
  • GeForce GTX 980
  • Crucial MX200 1TB
  • SilverStone Essential Gold 750w
  • Windows 8.1 Pro 64-bit
Core 2 System Specs
  • Core 2 Quad Q9650 (3GHz)
  • Core 2 Quad Q6600 (2.4GHz)
  • Core 2 Duo E8600 (3.33GHz)
  • Core 2 Duo E6600 (2.4GHz)
  • Gigabyte EP45T-Extreme
  • 4GB DDR3-1066 RAM
  • GeForce GTX 980
  • Crucial MX200 1TB
  • SilverStone Essential Gold 750w
  • Windows 8.1 Pro 64-bit

The Core 2 series wasn’t blessed with big memory bandwidths and back in the day AMD had one over Intel here with its Athlon64 range which peaked at around 9GB/s. As you can see below, we struggled to get 7GB/s out of the Core 2 Duo E8600 and Core 2 Quad Q9650.


The jump from the Core 2 range to the first Core i5 and Core i7 processors was massive as the i5-760 managed 17.1GB/s and 19.2GB/s for the i7-870. The Sandy Bridge Core i5 and Core i7 processors didn’t improve on this with roughly 18GB/s.

However, by the time Haswell came around Intel was pushing well over 20GB/s on this mainstream platform. This means even the cheapest Haswell desktop processor has roughly 4x the memory bandwidth available when compared to the fastest Core 2 processors.




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