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Intel Xeon E5-1650 v3 vs Xeon E5-2643 v3

The Intel Xeon E5-2643 v3 @ 3.40GHz is newer than Intel Xeon E5-1650 v3 @ 3.50GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. 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 1429 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 E5-1650 v3 @ 3.50GHz×Intel Xeon E5-2643 v3 @ 3.40GHz+ ADD
Price Search Online Search Online
Socket TypeLGA2011-v3LGA2011-v3
CPU ClassServerServer
Clockspeed3.5 GHz3.4 GHz
Turbo SpeedUp to 3.8 GHzUp to 3.7 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 384KB, L2: 1.5MB, L3: 20MB
TDP140W135W
Yearly Running Cost$25.55$24.64
Other
First Seen on ChartQ4 2014Q1 2015
# of Samples135079
CPU Rank15531573
CPU Value7.344.3
Single Thread Rating(% diff. to max in group)2122(0.0%)2029(-4.4%)
CPU Mark(% diff. to max in group)10377(0.0%)10178(-1.9%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 10th of March 2026 - Higher results represent better performance
Intel Xeon E5-1650 v3 @ 3.50GHz
10,377
Intel Xeon E5-2643 v3 @ 3.40GHz
10,178
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 10th of March 2026 - Higher results represent better value
Intel Xeon E5-1650 v3 @ 3.50GHz
7.3
Intel Xeon E5-2643 v3 @ 3.40GHz
44.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 10th of March 2026 - Higher results represent better performance
Intel Xeon E5-1650 v3 @ 3.50GHz
2,122
Intel Xeon E5-2643 v3 @ 3.40GHz
2,029
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 E5-1650 v3 @ 3.50GHz Intel Xeon E5-2643 v3 @ 3.40GHz
Max TDP140W135W
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.