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Intel Core2 Extreme X9775 vs Core2 Extreme X9770

The Intel Core2 Extreme X9775 @ 3.20GHz is newer than Intel Core2 Extreme X9770 @ 3.20GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 96 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 X9775 @ 3.20GHz×Intel Core2 Extreme X9770 @ 3.20GHz+ ADD
Price Search Online Search Online
Socket TypeLGA771LGA775
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 256KB, L2: 12.0MB, L3: 0MB
TDP150W136W
Yearly Running Cost$27.38$24.82
Other
First Seen on ChartQ1 2009Q4 2008
# of Samples492
CPU Rank31073148
CPU Value1.51.7
Single Thread Rating(% diff. to max in group)1451(0.0%)1394(-3.9%)
CPU Mark(% diff. to max in group)2780(0.0%)2701(-2.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 12th of February 2026 - Higher results represent better performance
Intel Core2 Extreme X9775 @ 3.20GHz
2,780
Intel Core2 Extreme X9770 @ 3.20GHz
2,701
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 12th of February 2026 - Higher results represent better value
Intel Core2 Extreme X9775 @ 3.20GHz
1.5
Intel Core2 Extreme X9770 @ 3.20GHz
1.7
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 12th of February 2026 - Higher results represent better performance
Intel Core2 Extreme X9775 @ 3.20GHz
1,451
Intel Core2 Extreme X9770 @ 3.20GHz
1,394
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 Extreme X9775 @ 3.20GHz Intel Core2 Extreme X9770 @ 3.20GHz
Max TDP150W136W
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.