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Intel Xeon E5-2620 v2 vs Xeon E5-1660 v3

The Intel Xeon E5-1660 v3 @ 3.00GHz is newer than Intel Xeon E5-2620 v2 @ 2.10GHz and is significantly faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, Intel Xeon E5-2620 v2 @ 2.10GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 395 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 E5-2620 v2 @ 2.10GHz×Intel Xeon E5-1660 v3 @ 3.00GHz+ ADD
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Socket TypeFCLGA2011LGA2011-v3
CPU ClassServerServer
Clockspeed2.1 GHz3.0 GHz
Turbo SpeedUp to 2.6 GHzUp to 3.5 GHz
# of Physical Cores6 (Threads: 12)8 (Threads: 16)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 512KB, L2: 2.0MB, L3: 20MB
TDP80W140W
Yearly Running Cost$14.60$25.55
Other
First Seen on ChartQ3 2013Q4 2014
# of Samples252143
CPU Rank21161409
CPU Value63.063.2
Single Thread Rating(% diff. to max in group)1290(-34.7%)1977(0.0%)
CPU Mark(% diff. to max in group)6231(-50.4%)12558(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 13th of March 2026 - Higher results represent better performance
Intel Xeon E5-2620 v2 @ 2.10GHz
6,231
Intel Xeon E5-1660 v3 @ 3.00GHz
12,558
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 13th of March 2026 - Higher results represent better value
Intel Xeon E5-2620 v2 @ 2.10GHz
63.0
Intel Xeon E5-1660 v3 @ 3.00GHz
63.2
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 13th of March 2026 - Higher results represent better performance
Intel Xeon E5-2620 v2 @ 2.10GHz
1,290
Intel Xeon E5-1660 v3 @ 3.00GHz
1,977
PassMark Software © 2008-2026
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 E5-2620 v2 @ 2.10GHz Intel Xeon E5-1660 v3 @ 3.00GHz
Max TDP80W140W
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.