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Intel Core2 Extreme Q6800 vs AMD Phenom II X4 945

The AMD Phenom II X4 945 is newer than Intel Core2 Extreme Q6800 @ 2.93GHz also around 11% faster in multi-threaded (CPU Mark) testing, it is around 9% faster in single-thread testing. However, AMD Phenom II X4 945 uses around 50% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1717 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 Extreme Q6800 @ 2.93GHz×AMD Phenom II X4 945+ ADD
Price Search Online $44.04 - BUY
Socket TypeLGA775AM3
CPU ClassDesktopDesktop
Clockspeed2.9 GHz3.0 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
TDP75W125W
Yearly Running Cost$13.69$22.81
Other
First Seen on ChartQ4 2008Q2 2009
# of Samples511666
CPU Value1.954.6
Single Thread Rating(% diff. to max in group)1124(-9.0%)1234(0.0%)
CPU Mark(% diff. to max in group)2145(-10.8%)2406(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core2 Extreme Q6800 @ 2.93GHz
2,145
AMD Phenom II X4 945
2,406
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
Intel Core2 Extreme Q6800 @ 2.93GHz
1.9
AMD Phenom II X4 945
54.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core2 Extreme Q6800 @ 2.93GHz
1,124
AMD Phenom II X4 945
1,234
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 Core2 Extreme Q6800 @ 2.93GHz AMD Phenom II X4 945
Max TDP75W125W
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.