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. :
Intel Xeon E3-1220 v3 vs Intel Xeon E3-1220 v5: What is the difference?
Intel Xeon E3-1270 V3 Benchmark and Review
Intel Xeon E3 1220 v2 @ 3292.14 MHz - CPU-Z VALIDATOR
Intel Xeon E3-1220 v3 vs Intel Xeon E5-1603 v4: What is the difference?
Intel Xeon E3-1220 v3 Specs | TechPowerUp CPU Database
Intel Xeon E3-1270 V3 Benchmark and Review
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 v3 @ HWBOT
Intel Xeon E3-1220 V3 Benchmark and Review - Hello Haswell Xeon
Exclusive: Intel Xeon D-1518 Benchmarks - ServeTheHome
Intel Xeon E3 1220 v3 @ 3712.17 MHz - CPU-Z VALIDATOR
Intel Xeon E3-1220 V3 Benchmark and Review - Hello Haswell Xeon
PassMark - CPU Benchmarks - List of Benchmarked CPUs
Intel Xeon E3-1220 v3 | Processor benchmarks | PC Builds
Intel Xeon E3-1280 V6 Linux Benchmarks and Review
SR154 (Intel Xeon E3-1220 v3)
Dual AMD Opteron 4376 HE c-ray benchmark - ServeTheHome
Intel Core i5-2500K vs Intel Xeon E3-1220 v3: What is the difference?
Intel Xeon E3-1220 v3 vs Intel Xeon E5-2603 v4: What is the difference?
Intel Xeon E3 1220 v3 @ 3100.39 MHz - CPU-Z VALIDATOR
Intel Xeon E3-1220 v3 Specs | TechPowerUp CPU Database
Intel Xeon E3-1220 V3 c-ray benchmark - ServeTheHome
Intel Xeon E3-1220 V3 hardinfo benchmark - ServeTheHome
Intel Xeon E3-1220 V3 Benchmark and Review - Hello Haswell Xeon
Xeon E3-1220 v3 and Radeon RX 460 build in General Tasks | Bottleneck calculation | PC Builds
