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CPU Benchmarks

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Intel Xeon E5-4640 vs Xeon E5-4650

The Intel Xeon E5-4640 @ 2.40GHz is newer than Intel Xeon E5-4650 @ 2.70GHz, while Intel Xeon E5-4650 @ 2.70GHz is around 17% faster in multi-threaded (CPU Mark) testing, it is around 15% faster in single-thread testing. However, Intel Xeon E5-4650 @ 2.70GHz uses around 31% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 33 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 E5-4640 @ 2.40GHz×Intel Xeon E5-4650 @ 2.70GHz+ ADD
Price $3039.99 - BUY Search Online
Socket TypeLGA2011LGA2011
CPU ClassServerServer
Clockspeed2.4 GHz2.7 GHz
Turbo SpeedUp to 2.8 GHzUp to 3.3 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 2.0MB, L1: 512KB, L2: 2.0MB, L3: 20MB
TDP95W130W
Yearly Running Cost$17.34$23.73
Other
First Seen on ChartQ3 2012Q3 2012
# of Samples627
CPU Value2.3600.9
Single Thread Rating(% diff. to max in group)1233(-14.8%)1446(0.0%)
CPU Mark(% diff. to max in group)7012(-16.6%)8407(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Xeon E5-4640 @ 2.40GHz
7,012
Intel Xeon E5-4650 @ 2.70GHz
8,407
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Xeon E5-4640 @ 2.40GHz
2.3
Intel Xeon E5-4650 @ 2.70GHz
600.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Xeon E5-4640 @ 2.40GHz
1,233
Intel Xeon E5-4650 @ 2.70GHz
1,446
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 E5-4640 @ 2.40GHz Intel Xeon E5-4650 @ 2.70GHz
Max TDP95W130W
Power consumption per day (kWh)0.190.26
Running cost per day$0.048$0.065
Power consumption per year (kWh)69.394.9
Running cost per year$17.34$23.73
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.