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CPU Benchmarks

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Intel Xeon E5-2643 vs Xeon E3-1245 V2

The Intel Xeon E5-2643 @ 3.30GHz is newer than Intel Xeon E3-1245 V2 @ 3.40GHz, while Intel Xeon E3-1245 V2 @ 3.40GHz is around 18% faster in multi-threaded (CPU Mark) testing, it is around 25% faster in single-thread testing. However, Intel Xeon E3-1245 V2 @ 3.40GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 472 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 E3-1245 V2 @ 3.40GHz+ ADD
Price Search Online $315 - BUY
Socket TypeLGA2011LGA1155
CPU ClassServerServer
Clockspeed3.3 GHz3.4 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 10MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP130W77W
Yearly Running Cost$23.73$14.05
Other
First Seen on ChartQ2 2012Q2 2012
# of Samples131341
CPU Value2.820.2
Single Thread Rating(% diff. to max in group)1528(-24.8%)2033(0.0%)
CPU Mark(% diff. to max in group)5202(-18.0%)6347(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 1st of April 2025 - Higher results represent better performance
Intel Xeon E5-2643 @ 3.30GHz
5,202
Intel Xeon E3-1245 V2 @ 3.40GHz
6,347
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 1st of April 2025 - Higher results represent better value
Intel Xeon E5-2643 @ 3.30GHz
2.8
Intel Xeon E3-1245 V2 @ 3.40GHz
20.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of April 2025 - Higher results represent better performance
Intel Xeon E5-2643 @ 3.30GHz
1,528
Intel Xeon E3-1245 V2 @ 3.40GHz
2,033
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 E3-1245 V2 @ 3.40GHz
Max TDP130W77W
Power consumption per day (kWh)0.260.15
Running cost per day$0.065$0.038
Power consumption per year (kWh)94.956.2
Running cost per year$23.73$14.05
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.