Intel Xeon E3-1220 PassMark CPU Mark (Multi-Thread) - CPUAgent
Benchmarking Performance: CPU Encoding Tests - The Intel Xeon W Review: W-2195, W-2155, W-2123, W-2104 and W-2102 Tested
Intel Xeon E3-1220 vs Intel Xeon E3-1240: What is the difference?
Intel Xeon E3-1220 V6 Photoshop CC 2019 Benchmark - CPUAgent
Used Intel Xeon E3 1220 3.1ghz 4 Core Sr00f Lga 1155 Cpu Processor - Cpus - AliExpress
CPU-Z Benchmarks on various Synology models - Hope this helps give a rough idea of the CPU power difference between models. Also included 2 other VMs running on Windows Hyper-V Server. :
Benchmarking Performance: CPU Office Tests - The Intel Xeon W Review: W-2195, W-2155, W-2123, W-2104 and W-2102 Tested
Intel Xeon E3-1220 review | 56 facts and highlights