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Intel Core2 Duo P8400 vs Celeron 3205U

The Intel Celeron 3205U @ 1.50GHz is newer than Intel Core2 Duo P8400 @ 2.26GHz also around 10% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core2 Duo P8400 @ 2.26GHz uses around 50% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 1423 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 Duo P8400 @ 2.26GHz×Intel Celeron 3205U @ 1.50GHz+ ADD
Price Search Online Search Online
Socket TypeBGA479FCBGA1168
CPU ClassLaptopLaptop
Clockspeed2.3 GHz1.5 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 3.0MB, L3: 0MBL1: 128KB, L2: 0.5MB, L3: 2MB
TDP25W15W
Yearly Running Cost$4.56$2.74
Other
First Seen on ChartQ4 2008Q2 2015
# of Samples1286137
CPU Value2.93.3
Single Thread Rating(% diff. to max in group)9223(0.0%)908(-1.5%)
CPU Mark(% diff. to max in group)863(-9.7%)956(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
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 7th of April 2025 - Higher results represent better performance
Intel Core2 Duo P8400 @ 2.26GHz
863
Intel Celeron 3205U @ 1.50GHz
956
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of April 2025 - Higher results represent better value
Intel Core2 Duo P8400 @ 2.26GHz
2.9
Intel Celeron 3205U @ 1.50GHz
3.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of April 2025 - Higher results represent better performance
Intel Core2 Duo P8400 @ 2.26GHz
922
Intel Celeron 3205U @ 1.50GHz
908
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 Duo P8400 @ 2.26GHz Intel Celeron 3205U @ 1.50GHz
Max TDP25W15W
Power consumption per day (kWh)0.050.03
Running cost per day$0.013$0.007
Power consumption per year (kWh)18.310.9
Running cost per year$4.56$2.74
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.