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AMD Phenom 8750B Triple- vs Intel Core2 Duo E8400

The AMD Phenom 8750B Triple-Core is newer than Intel Core2 Duo E8400 @ 3.00GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, AMD Phenom 8750B Triple-Core uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 7422 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.

×AMD Phenom 8750B Triple-Core×Intel Core2 Duo E8400 @ 3.00GHz+ ADD
Price Search Online Search Online
Socket TypeAM2+LGA775
CPU ClassDesktopDesktop
Clockspeed2.4 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)2 (Threads: 2)
CacheL1: 384KB, L2: 1.5MB, L3: 2MBL1: 128KB, L2: 6.0MB, L3: 0MB
TDP95W65W
Yearly Running Cost$17.34$11.86
Other
First Seen on ChartQ2 2009Q4 2008
# of Samples107412
CPU Rank42524217
CPU Value0.053.0
Single Thread Rating(% diff. to max in group)901(-27.0%)12353(0.0%)
CPU Mark(% diff. to max in group)1188(-2.6%)1220(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 14th of February 2026 - Higher results represent better performance
AMD Phenom 8750B Triple-Core
1,188
Intel Core2 Duo E8400 @ 3.00GHz
1,220
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 14th of February 2026 - Higher results represent better value
AMD Phenom 8750B Triple-Core
NA
Intel Core2 Duo E8400 @ 3.00GHz
53.0
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 14th of February 2026 - Higher results represent better performance
AMD Phenom 8750B Triple-Core
901
Intel Core2 Duo E8400 @ 3.00GHz
1,235
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.
AMD Phenom 8750B Triple-Core Intel Core2 Duo E8400 @ 3.00GHz
Max TDP95W65W
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.