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Intel Core2 Quad Q6700 vs AMD Phenom II X4 955

The AMD Phenom II X4 955 is newer than Intel Core2 Quad Q6700 @ 2.66GHz and is around 22% faster in multi-threaded (CPU Mark) testing. The AMD Phenom II X4 955 is around 21% faster in single-thread testing. Also, AMD Phenom II X4 955 uses around 17% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 5129 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 Core2 Quad Q6700 @ 2.66GHz×AMD Phenom II X4 955+ ADD
Price Search Online Search Online
Socket TypeLGA775AM3
CPU ClassDesktopDesktop
Clockspeed2.7 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 8.0MB, L3: 0MBL1: 512KB, L2: 2.0MB, L3: 6MB
TDP105W125W
Yearly Running Cost$19.16$22.81
Other
First Seen on ChartQ4 2008Q1 2009
# of Samples10024127
CPU Rank35413249
CPU Value16.143.3
Single Thread Rating(% diff. to max in group)1075(-17.1%)1296(0.0%)
CPU Mark(% diff. to max in group)2093(-18.0%)2552(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of February 2026 - Higher results represent better performance
Intel Core2 Quad Q6700 @ 2.66GHz
2,093
AMD Phenom II X4 955
2,552
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 18th of February 2026 - Higher results represent better value
Intel Core2 Quad Q6700 @ 2.66GHz
16.1
AMD Phenom II X4 955
43.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 18th of February 2026 - Higher results represent better performance
Intel Core2 Quad Q6700 @ 2.66GHz
1,075
AMD Phenom II X4 955
1,296
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 Core2 Quad Q6700 @ 2.66GHz AMD Phenom II X4 955
Max TDP105W125W
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.