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Intel Xeon D-1520 vs Xeon E3-1265L

The Intel Xeon D-1520 @ 2.20GHz is newer than Intel Xeon E3-1265L @ 2.40GHz and is around 26% faster in multi-threaded (CPU Mark) testing. The Intel Xeon D-1520 @ 2.20GHz is around -12% slower in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 24 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 D-1520 @ 2.20GHz×Intel Xeon E3-1265L @ 2.40GHz+ ADD
Price Search Online Search Online
Socket TypeBGA 1667LGA1155
CPU ClassServerServer
Clockspeed2.2 GHz2.4 GHz
Turbo SpeedUp to 2.6 GHzUp to 3.3 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP45W45W
Yearly Running Cost$8.21$8.21
Other
First Seen on ChartQ4 2015Q3 2015
# of Samples420
CPU Rank23902632
CPU Value0.014.5
Single Thread Rating(% diff. to max in group)1270(-11.5%)1436(0.0%)
CPU Mark(% diff. to max in group)4917(0.0%)3912(-20.4%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 11th of February 2026 - Higher results represent better performance
Intel Xeon D-1520 @ 2.20GHz
4,917
Intel Xeon E3-1265L @ 2.40GHz
3,912
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 11th of February 2026 - Higher results represent better value
Intel Xeon D-1520 @ 2.20GHz
NA
Intel Xeon E3-1265L @ 2.40GHz
14.5
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 11th of February 2026 - Higher results represent better performance
Intel Xeon D-1520 @ 2.20GHz
1,270
Intel Xeon E3-1265L @ 2.40GHz
1,436
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 D-1520 @ 2.20GHz Intel Xeon E3-1265L @ 2.40GHz
Max TDP45W45W
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.