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Intel i7-620M vs Pentium 5405U

The Intel Pentium 5405U @ 2.30GHz is newer than Intel Core i7-620M @ 2.67GHz and is around 13% faster in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Pentium 5405U @ 2.30GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 1710 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 Core i7-620M @ 2.67GHz×Intel Pentium 5405U @ 2.30GHz+ ADD
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Socket TypeBGA1288FCBGA1528
CPU ClassLaptopLaptop
Clockspeed2.7 GHz2.3 GHz
Turbo SpeedUp to 3.3 GHzNA2
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 4MBL1: 128KB, L2: 0.5MB, L3: 2MB
TDP35W15W
Yearly Running Cost$6.39$2.74
OtherIntel UHD Graphics 610
First Seen on ChartQ1 2010Q2 2019
# of Samples1515195
CPU Rank36103452
CPU Value11.613.9
Single Thread Rating(% diff. to max in group)1279(-0.1%)1281(0.0%)
CPU Mark(% diff. to max in group)1980(-11.4%)2235(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 12th of February 2026 - Higher results represent better performance
Intel Core i7-620M @ 2.67GHz
1,980
Intel Pentium 5405U @ 2.30GHz
2,235
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 12th of February 2026 - Higher results represent better value
Intel Core i7-620M @ 2.67GHz
11.6
Intel Pentium 5405U @ 2.30GHz
13.9
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 12th of February 2026 - Higher results represent better performance
Intel Core i7-620M @ 2.67GHz
1,279
Intel Pentium 5405U @ 2.30GHz
1,281
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.
Intel Core i7-620M @ 2.67GHz Intel Pentium 5405U @ 2.30GHz
Max TDP35W15W
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.