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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-8259U vs i7-8559U

The Intel Core i7-8559U @ 2.70GHz is newer than Intel Core i5-8259U @ 2.30GHz and is around 6% faster in multi-threaded (CPU Mark) testing. The Intel Core i7-8559U @ 2.70GHz is around 13% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 1630 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 i5-8259U @ 2.30GHz×Intel Core i7-8559U @ 2.70GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1528FCBGA1528
CPU ClassLaptopLaptop
Clockspeed2.3 GHz2.7 GHz
Turbo SpeedUp to 3.8 GHzUp to 4.5 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP28W28W
Yearly Running Cost$5.11$5.11
Other Intel Iris Plus Graphics 655 Intel Iris Plus Graphics 655
First Seen on ChartQ3 2018Q3 2018
# of Samples1090540
CPU Value15.113.4
Single Thread Rating(% diff. to max in group)2187(-11.7%)2477(0.0%)
CPU Mark(% diff. to max in group)7843(-5.2%)8274(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 5th of December 2025 - Higher results represent better performance
Intel Core i5-8259U @ 2.30GHz
7,843
Intel Core i7-8559U @ 2.70GHz
8,274
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 5th of December 2025 - Higher results represent better value
Intel Core i5-8259U @ 2.30GHz
15.1
Intel Core i7-8559U @ 2.70GHz
13.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 5th of December 2025 - Higher results represent better performance
Intel Core i5-8259U @ 2.30GHz
2,187
Intel Core i7-8559U @ 2.70GHz
2,477
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 Core i5-8259U @ 2.30GHz Intel Core i7-8559U @ 2.70GHz
Max TDP28W28W
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.