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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Pentium III 1400S vs i7-7Y75 vs i7-8559U

The CPUs selected in this comparison belong in different CPU Classes: Desktop, Laptop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 790 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 III 1400S @ 1400MHz×Intel Core i7-7Y75 @ 1.30GHz×Intel Core i7-8559U @ 2.70GHz+ ADD
Price Search Online Search Online Search Online
Socket TypeSocket 370FCBGA1515FCBGA1528
CPU ClassDesktopDesktop, LaptopLaptop
Clockspeed1.4 GHz1.3 GHz2.7 GHz
Turbo SpeedNot SupportedUp to 3.6 GHzUp to 4.5 GHz
# of Physical Cores1 (Threads: 1)2 (Threads: 4)4 (Threads: 8)
CacheL1: 2KB, L2: 0.0MB, L3: 0MBL1: 128KB, L2: 0.5MB, L3: 4MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP32.2W4.5W28W
Yearly Running Cost$5.84$0.73$5.11
Other Intel Iris Plus Graphics 655
First Seen on ChartQ3 2009Q4 2016Q3 2018
# of Samples5307478
CPU Value0.00.013.4
Single Thread Rating(% diff. to max in group)2783(-88.8%)1539(-38.3%)2492(0.0%)
CPU Mark(% diff. to max in group)194(-97.7%)2575(-68.9%)8291(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 28th of March 2025 - Higher results represent better performance
Intel Pentium III 1400S @ 1400MHz
194
Intel Core i7-7Y75 @ 1.30GHz
2,575
Intel Core i7-8559U @ 2.70GHz
8,291
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 28th of March 2025 - Higher results represent better value
Intel Pentium III 1400S @ 1400MHz
NA
Intel Core i7-7Y75 @ 1.30GHz
NA
Intel Core i7-8559U @ 2.70GHz
13.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 28th of March 2025 - Higher results represent better performance
Intel Pentium III 1400S @ 1400MHz
278
Intel Core i7-7Y75 @ 1.30GHz
1,539
Intel Core i7-8559U @ 2.70GHz
2,492
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 III 1400S @ 1400MHz Intel Core i7-7Y75 @ 1.30GHz Intel Core i7-8559U @ 2.70GHz
Max TDP32.2W4.5W28W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.