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Intel Xeon E3-1265L v3 vs Xeon E3-1240 V2

The Intel Xeon E3-1240 V2 @ 3.40GHz is newer than Intel Xeon E3-1265L v3 @ 2.50GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Xeon E3-1240 V2 @ 3.40GHz uses around 42% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 896 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 E3-1265L v3 @ 2.50GHz×Intel Xeon E3-1240 V2 @ 3.40GHz+ ADD
Price $398.95 - BUY $150 - BUY
Socket TypeFCLGA1150LGA1155
CPU ClassServerServer
Clockspeed2.5 GHz3.4 GHz
Turbo SpeedUp to 3.7 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP45W69W
Yearly Running Cost$8.21$12.59
OtherIntel HD Graphics for 4th Generation Intel Processors
First Seen on ChartQ1 2012Q3 2012
# of Samples139757
CPU Rank20682025
CPU Value15.542.6
Single Thread Rating(% diff. to max in group)2055(0.0%)2039(-0.7%)
CPU Mark(% diff. to max in group)6187(-3.1%)6387(0.0%)

CPU Mark Rating
As of 17th of January 2026 - Higher results represent better performance
Intel Xeon E3-1265L v3 @ 2.50GHz
6,187
Intel Xeon E3-1240 V2 @ 3.40GHz
6,387
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 17th of January 2026 - Higher results represent better value
Intel Xeon E3-1265L v3 @ 2.50GHz
15.5
Intel Xeon E3-1240 V2 @ 3.40GHz
42.6
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 17th of January 2026 - Higher results represent better performance
Intel Xeon E3-1265L v3 @ 2.50GHz
2,055
Intel Xeon E3-1240 V2 @ 3.40GHz
2,039
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 E3-1265L v3 @ 2.50GHz Intel Xeon E3-1240 V2 @ 3.40GHz
Max TDP45W69W
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.