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Intel Core2 Duo E8335 vs Core2 Duo T9400

The Intel Core2 Duo E8335 @ 2.66GHz is newer than Intel Core2 Duo T9400 @ 2.53GHz also around 11% faster in multi-threaded (CPU Mark) testing, it is around 9% faster in single-thread testing. However, Intel Core2 Duo E8335 @ 2.66GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 782 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 E8335 @ 2.66GHz×Intel Core2 Duo T9400 @ 2.53GHz+ ADD
Price Search Online Search Online
Socket TypeSocket PBGA479
CPU ClassLaptopLaptop
Clockspeed2.7 GHz2.5 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 6.0MB, L3: 0MBL1: 128KB, L2: 6.0MB, L3: 0MB
TDPNA235W
Yearly Running CostNA$6.39
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples18764
CPU Value0.028.6
Single Thread Rating(% diff. to max in group)11373(0.0%)10323(-9.2%)
CPU Mark(% diff. to max in group)1121(0.0%)1000(-10.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.
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 14th of March 2025 - Higher results represent better performance
Intel Core2 Duo E8335 @ 2.66GHz
1,121
Intel Core2 Duo T9400 @ 2.53GHz
1,000
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Core2 Duo E8335 @ 2.66GHz
NA
Intel Core2 Duo T9400 @ 2.53GHz
28.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Core2 Duo E8335 @ 2.66GHz
1,137
Intel Core2 Duo T9400 @ 2.53GHz
1,032
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 E8335 @ 2.66GHz Intel Core2 Duo T9400 @ 2.53GHz
Max TDPNA35W
Power consumption per day (kWh)NA0.07
Running cost per dayNA$0.018
Power consumption per year (kWh)NA25.6
Running cost per yearNA$6.39
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.