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Intel Xeon E3-1286L v3 vs Xeon E3-1240 v5

The Intel Xeon E3-1286L v3 @ 3.20GHz is newer than Intel Xeon E3-1240 v5 @ 3.50GHz and is around -16% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Xeon E3-1240 v5 @ 3.50GHz uses around 21% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 345 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 E3-1286L v3 @ 3.20GHz×Intel Xeon E3-1240 v5 @ 3.50GHz+ ADD
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Socket TypeLGA1150FCLGA1151
CPU ClassServerServer
Clockspeed3.2 GHz3.5 GHz
Turbo SpeedUp to 4.0 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: 8MB
TDP65W80W
Yearly Running Cost$11.86$14.60
Other
First Seen on ChartQ1 2018Q4 2015
# of Samples4341
CPU Value9.010.3
Single Thread Rating(% diff. to max in group)2329(0.0%)2282(-2.0%)
CPU Mark(% diff. to max in group)6929(-16.1%)8259(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of November 2025 - Higher results represent better performance
Intel Xeon E3-1286L v3 @ 3.20GHz
6,929
Intel Xeon E3-1240 v5 @ 3.50GHz
8,259
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of November 2025 - Higher results represent better value
Intel Xeon E3-1286L v3 @ 3.20GHz
9.0
Intel Xeon E3-1240 v5 @ 3.50GHz
10.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of November 2025 - Higher results represent better performance
Intel Xeon E3-1286L v3 @ 3.20GHz
2,329
Intel Xeon E3-1240 v5 @ 3.50GHz
2,282
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 E3-1286L v3 @ 3.20GHz Intel Xeon E3-1240 v5 @ 3.50GHz
Max TDP65W80W
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.