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Intel Xeon E5-2643 vs Xeon E3-1265L V2

The Intel Xeon E3-1265L V2 @ 2.50GHz is newer than Intel Xeon E5-2643 @ 3.30GHz and has comparable multi-threaded (CPU Mark) and single-thread rating. However, Intel Xeon E3-1265L V2 @ 2.50GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 194 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 E5-2643 @ 3.30GHz×Intel Xeon E3-1265L V2 @ 2.50GHz+ ADD
Price Search Online Search Online
Socket TypeLGA2011LGA1155
CPU ClassServerServer
Clockspeed3.3 GHz2.5 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.5 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 10MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP130W45W
Yearly Running Cost$23.73$8.21
Other
First Seen on ChartQ2 2012Q3 2012
# of Samples12569
CPU Value2.911.1
Single Thread Rating(% diff. to max in group)1576(-4.7%)1653(0.0%)
CPU Mark(% diff. to max in group)5332(0.0%)5148(-3.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of January 2025 - Higher results represent better performance
Intel Xeon E5-2643 @ 3.30GHz
5,332
Intel Xeon E3-1265L V2 @ 2.50GHz
5,148
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of January 2025 - Higher results represent better value
Intel Xeon E5-2643 @ 3.30GHz
2.9
Intel Xeon E3-1265L V2 @ 2.50GHz
11.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of January 2025 - Higher results represent better performance
Intel Xeon E5-2643 @ 3.30GHz
1,576
Intel Xeon E3-1265L V2 @ 2.50GHz
1,653
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 E5-2643 @ 3.30GHz Intel Xeon E3-1265L V2 @ 2.50GHz
Max TDP130W45W
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.