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Intel Xeon E3-1275 V2 vs Xeon E5-1620 v2

The Intel Xeon E5-1620 v2 @ 3.70GHz is newer than Intel Xeon E3-1275 V2 @ 3.50GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Xeon E3-1275 V2 @ 3.50GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 1389 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Xeon E3-1275 V2 @ 3.50GHz×Intel Xeon E5-1620 v2 @ 3.70GHz+ ADD
Price $374 - BUY $309.19 - BUY
Socket TypeLGA1155FCLGA2011
CPU ClassServerServer
Clockspeed3.5 GHz3.7 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.9 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 10MB
TDP77W130W
Yearly Running Cost$14.05$23.73
Other
First Seen on ChartQ2 2012Q3 2013
# of Samples1691220
CPU Value17.821.1
Single Thread Rating(% diff. to max in group)2119(0.0%)2015(-4.9%)
CPU Mark(% diff. to max in group)6647(0.0%)6530(-1.8%)

CPU Mark Rating
As of 16th of November 2025 - Higher results represent better performance
Intel Xeon E3-1275 V2 @ 3.50GHz
6,647
Intel Xeon E5-1620 v2 @ 3.70GHz
6,530
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 16th of November 2025 - Higher results represent better value
Intel Xeon E3-1275 V2 @ 3.50GHz
17.8
Intel Xeon E5-1620 v2 @ 3.70GHz
21.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 16th of November 2025 - Higher results represent better performance
Intel Xeon E3-1275 V2 @ 3.50GHz
2,119
Intel Xeon E5-1620 v2 @ 3.70GHz
2,015
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Xeon E3-1275 V2 @ 3.50GHz Intel Xeon E5-1620 v2 @ 3.70GHz
Max TDP77W130W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.