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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Pentium 6405U @ 2.40GHz vs Intel Core i7-640M @ 2.80GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • 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 Pentium 6405U @ 2.40GHz×Intel Core i7-640M @ 2.80GHz+ ADD
Price Search Online $141.85 - BUY
Socket TypeFCBGA1528BGA1288
CPU ClassLaptopLaptop
Clockspeed2.4 GHz2.8 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 2MBL1: 256KB, L2: 1.0MB, L3: 4MB
TDP15W35W
Yearly Running Cost$2.74$6.39
OtherIntel UHD Graphics
First Seen on ChartQ2 2020Q4 2010
# of Samples46696
CPU Value14.514.5
Single Thread Rating(% diff. to max in group)1390(0.0%)1373(-1.3%)
CPU Mark(% diff. to max in group)2337(0.0%)2052(-12.2%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of June 2023 - Higher results represent better performance
Intel Pentium 6405U @ 2.40GHz
2,337
Intel Core i7-640M @ 2.80GHz
2,052
PassMark Software © 2008-2023
CPU Value (CPU Mark / $Price)
As of 8th of June 2023 - Higher results represent better value
Intel Pentium 6405U @ 2.40GHz
14.5
Intel Core i7-640M @ 2.80GHz
14.5
PassMark Software © 2008-2023
CPU Single Thread Rating
As of 8th of June 2023 - Higher results represent better performance
Intel Pentium 6405U @ 2.40GHz
1,390
Intel Core i7-640M @ 2.80GHz
1,373
PassMark Software © 2008-2023

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 Pentium 6405U @ 2.40GHzIntel Core i7-640M @ 2.80GHz
Max TDP15W35W
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.