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Intel Core2 Quad Q9400 vs AMD FX-4100 Quad-

The AMD FX-4100 Quad-Core is newer than Intel Core2 Quad Q9400 @ 2.66GHz also around 18% faster in multi-threaded (CPU Mark) testing, it is around 12% faster in single-thread testing. 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 4905 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 Q9400 @ 2.66GHz×AMD FX-4100 Quad-Core+ ADD
Price Search Online Search Online
Socket TypeLGA775AM3+
CPU ClassDesktopDesktop
Clockspeed2.7 GHz3.6 GHz
Turbo SpeedNot SupportedUp to 3.8 GHz
# of Physical Cores4 (Threads: 4)4 (in 2 physical modules)
CacheL1: 256KB, L2: 6.0MB, L3: 0MBL1: 320KB, L2: 8.0MB, L3: 8MB
TDP95W95W
Yearly Running Cost$17.34$17.34
Other
First Seen on ChartQ4 2008Q4 2011
# of Samples24982407
CPU Value85.5137.7
Single Thread Rating(% diff. to max in group)1138(-11.5%)1286(0.0%)
CPU Mark(% diff. to max in group)2142(-18.1%)2615(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 Quad Q9400 @ 2.66GHz
2,142
AMD FX-4100 Quad-Core
2,615
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
Intel Core2 Quad Q9400 @ 2.66GHz
85.5
AMD FX-4100 Quad-Core
137.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
1,138
AMD FX-4100 Quad-Core
1,286
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 Quad Q9400 @ 2.66GHz AMD FX-4100 Quad-Core
Max TDP95W95W
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.