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AMD Phenom II X2 B57 vs Intel Core2 Duo E6700

The AMD Phenom II X2 B57 is newer than Intel Core2 Duo E6700 @ 2.66GHz also around 21% faster in multi-threaded (CPU Mark) testing, it is around 20% faster in single-thread testing. However, AMD Phenom II X2 B57 uses around 21% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 560 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.

×AMD Phenom II X2 B57×Intel Core2 Duo E6700 @ 2.66GHz+ ADD
Price Search Online Search Online
Socket TypeNA2LGA775
CPU ClassDesktopDesktop
Clockspeed3.2 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 128KB, L2: 4.0MB, L3: 0MB
TDP80W65W
Yearly Running Cost$14.60$11.86
Other
First Seen on ChartQ2 2010Q1 2010
# of Samples15545
CPU Value0.033.0
Single Thread Rating(% diff. to max in group)12733(0.0%)10233(-19.6%)
CPU Mark(% diff. to max in group)1260(0.0%)990(-21.4%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 5th of February 2025 - Higher results represent better performance
AMD Phenom II X2 B57
1,260
Intel Core2 Duo E6700 @ 2.66GHz
990
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 5th of February 2025 - Higher results represent better value
AMD Phenom II X2 B57
NA
Intel Core2 Duo E6700 @ 2.66GHz
33.0
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 5th of February 2025 - Higher results represent better performance
AMD Phenom II X2 B57
1,273
Intel Core2 Duo E6700 @ 2.66GHz
1,023
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.
AMD Phenom II X2 B57 Intel Core2 Duo E6700 @ 2.66GHz
Max TDP80W65W
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.