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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5-2620 vs Xeon L5640

The Intel Xeon E5-2620 @ 2.00GHz is newer than Intel Xeon L5640 @ 2.27GHz also around 12% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Xeon E5-2620 @ 2.00GHz uses around 45% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 385 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 @ 2.00GHz×Intel Xeon L5640 @ 2.27GHz+ ADD
Price $89.95 - BUY Search Online
Socket TypeLGA2011LGA1366
CPU ClassServerServer
Clockspeed2.0 GHz2.3 GHz
Turbo SpeedUp to 2.5 GHzUp to 2.8 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP95W60W
Yearly Running Cost$17.34$10.95
Other
First Seen on ChartQ2 2012Q3 2010
# of Samples33946
CPU Value58.951.6
Single Thread Rating(% diff. to max in group)1109(-0.8%)1117(0.0%)
CPU Mark(% diff. to max in group)5299(0.0%)4645(-12.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Xeon E5-2620 @ 2.00GHz
5,299
Intel Xeon L5640 @ 2.27GHz
4,645
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
Intel Xeon E5-2620 @ 2.00GHz
58.9
Intel Xeon L5640 @ 2.27GHz
51.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Xeon E5-2620 @ 2.00GHz
1,109
Intel Xeon L5640 @ 2.27GHz
1,117
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 E5-2620 @ 2.00GHz Intel Xeon L5640 @ 2.27GHz
Max TDP95W60W
Power consumption per day (kWh)0.190.12
Running cost per day$0.048$0.030
Power consumption per year (kWh)69.343.8
Running cost per year$17.34$10.95
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.