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Intel Pentium 4425Y vs i7-640M

The Intel Pentium 4425Y @ 1.70GHz is newer than Intel Core i7-640M @ 2.80GHz, while Intel Core i7-640M @ 2.80GHz is around 19% faster in multi-threaded (CPU Mark) testing, it is around 31% faster in single-thread testing. However, Intel Pentium 4425Y @ 1.70GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 787 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 Pentium 4425Y @ 1.70GHz×Intel Core i7-640M @ 2.80GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1515BGA1288
CPU ClassLaptopLaptop
Clockspeed1.7 GHz2.8 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 2MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP6W35W
Yearly Running Cost$1.10$6.39
OtherIntel UHD Graphics 615
First Seen on ChartQ3 2020Q4 2010
# of Samples51736
CPU Value10.514.7
Single Thread Rating(% diff. to max in group)953(-30.8%)1377(0.0%)
CPU Mark(% diff. to max in group)1691(-18.7%)2080(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of January 2025 - Higher results represent better performance
Intel Pentium 4425Y @ 1.70GHz
1,691
Intel Core i7-640M @ 2.80GHz
2,080
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 15th of January 2025 - Higher results represent better value
Intel Pentium 4425Y @ 1.70GHz
10.5
Intel Core i7-640M @ 2.80GHz
14.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 15th of January 2025 - Higher results represent better performance
Intel Pentium 4425Y @ 1.70GHz
953
Intel Core i7-640M @ 2.80GHz
1,377
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 Pentium 4425Y @ 1.70GHz Intel Core i7-640M @ 2.80GHz
Max TDP6W35W
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.