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Intel i5-8257U vs i5-1035G1

The Intel Core i5-8257U @ 1.40GHz is newer than Intel Core i5-1035G1 @ 1.00GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. 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 5128 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 i5-8257U @ 1.40GHz×Intel Core i5-1035G1 @ 1.00GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1528FCBGA1526
CPU ClassLaptopLaptop
Clockspeed1.4 GHz1.0 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.6 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 320KB, L2: 2.0MB, L3: 6MB
TDP15W15W
Yearly Running Cost$2.74$2.74
OtherIntel Iris Plus Graphics 645Intel UHD Graphics
First Seen on ChartQ4 2019Q3 2019
# of Samples6704458
CPU Rank18701916
CPU Value23.124.1
Single Thread Rating(% diff. to max in group)2241(0.0%)2176(-2.9%)
CPU Mark(% diff. to max in group)7407(0.0%)7149(-3.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of February 2026 - Higher results represent better performance
Intel Core i5-8257U @ 1.40GHz
7,407
Intel Core i5-1035G1 @ 1.00GHz
7,149
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 18th of February 2026 - Higher results represent better value
Intel Core i5-8257U @ 1.40GHz
23.1
Intel Core i5-1035G1 @ 1.00GHz
24.1
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 18th of February 2026 - Higher results represent better performance
Intel Core i5-8257U @ 1.40GHz
2,241
Intel Core i5-1035G1 @ 1.00GHz
2,176
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 i5-8257U @ 1.40GHz Intel Core i5-1035G1 @ 1.00GHz
Max TDP15W15W
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.