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Intel Xeon E5-2640 v4 vs Xeon E5-2660 v4

The Intel Xeon E5-2660 v4 @ 2.00GHz is newer than Intel Xeon E5-2640 v4 @ 2.40GHz and is around 24% faster in multi-threaded (CPU Mark) testing. The Intel Xeon E5-2660 v4 @ 2.00GHz is around -9% slower in single-thread testing. Also, Intel Xeon E5-2660 v4 @ 2.00GHz uses around 15% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 388 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 E5-2640 v4 @ 2.40GHz×Intel Xeon E5-2660 v4 @ 2.00GHz+ ADD
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Socket TypeFCLGA2011-3FCLGA2011-3
CPU ClassServerServer
Clockspeed2.4 GHz2.0 GHz
Turbo SpeedUp to 3.4 GHzUp to 3.2 GHz
# of Physical Cores10 (Threads: 20)14 (Threads: 28)
CacheL1: 640KB, L2: 2.5MB, L3: 25MBL1: 896KB, L2: 3.5MB, L3: 35MB
TDP90W105W
Yearly Running Cost$16.43$19.16
Other
First Seen on ChartQ2 2016Q4 2016
# of Samples30187
CPU Rank14131199
CPU Value312.5316.1
Single Thread Rating(% diff. to max in group)1981(0.0%)1805(-8.9%)
CPU Mark(% diff. to max in group)12468(-19.5%)15487(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 12th of March 2026 - Higher results represent better performance
Intel Xeon E5-2640 v4 @ 2.40GHz
12,468
Intel Xeon E5-2660 v4 @ 2.00GHz
15,487
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 12th of March 2026 - Higher results represent better value
Intel Xeon E5-2640 v4 @ 2.40GHz
312.5
Intel Xeon E5-2660 v4 @ 2.00GHz
316.1
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 12th of March 2026 - Higher results represent better performance
Intel Xeon E5-2640 v4 @ 2.40GHz
1,981
Intel Xeon E5-2660 v4 @ 2.00GHz
1,805
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 E5-2640 v4 @ 2.40GHz Intel Xeon E5-2660 v4 @ 2.00GHz
Max TDP90W105W
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.