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Comparing CPU: is this a good idea?

maxtch

I has the idea of comparing the performance of Intel processors from Nehalem to Coffee Lake. Is this a good way of doing it:

  1. Choose a series of similar processors across the generations. For example Westmere X5690/Sandy Bridge E5-1660/Ivy Bridge E5-1650v2/Haswell E5-1650v3/Broadwell E5-1650v4/Skylake W-2133/Coffee Lake E-2146G, all of which are 6-core processors with hyperthreading operating at a stock clock around 3.5GHz.
  2. Benchmark all of them under similar conditions and give them a linear scaling score.
  3. Calculate per-core per-clock score (points/(core•GHz) and compare.

The Fruit Pie: Core i7-9700K ~ 2x Team Force Vulkan 16GB DDR4-3200 ~ Gigabyte Z390 UD ~ XFX RX 480 Reference 8GB ~ WD Black NVMe 1TB ~ WD Black 2TB ~ macOS Monterey amd64

The Warship: Core i7-10700K ~ 2x G.Skill 16GB DDR4-3200 ~ Asus ROG Strix Z490-G Gaming Wi-Fi ~ PNY RTX 3060 12GB LHR ~ Samsung PM981 1.92TB ~ Windows 11 Education amd64
The ThreadStripper: 2x Xeon E5-2696v2 ~ 8x Kingston KVR 16GB DDR3-1600 Registered ECC ~ Asus Z9PE-D16 ~ Sapphire RX 480 Reference 8GB ~ WD Black NVMe 1TB ~ Ubuntu Linux 20.04 amd64

The Question Mark? Core i9-11900K ~ 2x Corsair Vengence 16GB DDR4-3000 @ DDR4-2933 ~ MSI Z590-A Pro ~ Sapphire Nitro RX 580 8GB ~ Samsung PM981A 960GB ~ Windows 11 Education amd64
Home server: Xeon E3-1231v3 ~ 2x Samsung 8GB DDR3-1600 Unbuffered ECC ~ Asus P9D-M ~ nVidia Tesla K20X 6GB ~ Broadcom MegaRAID 9271-8iCC ~ Gigabyte 480GB SATA SSD ~ 8x Mixed HDD 2TB ~ 16x Mixed HDD 3TB ~ Proxmox VE amd64

Laptop 1: Dell Latitude 3500 ~ Core i7-8565U ~ NVS 130 ~ 2x Samsung 16GB DDR4-2400 SO-DIMM ~ Samsung 960 Pro 512GB ~ Samsung 850 Evo 1TB ~ Windows 11 Education amd64
Laptop 2: Apple MacBookPro9.2 ~ Core i5-3210M ~ 2x Samsung 8GB DDR3L-1600 SO-DIMM ~ Intel SSD 520 Series 480GB ~ macOS Catalina amd64

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Just grab a K sku from every gen, lock it to the same speed and get as similar as possible memory and disable all but one core and compare scores

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Cinebench shows per core score and is pretty good for showing CPU performance.

Steve

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