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Intel i3-8300T vs i5-3450

The Intel Core i3-8300T @ 3.20GHz is newer than Intel Core i5-3450 @ 3.10GHz also around 19% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core i3-8300T @ 3.20GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 2066 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 i3-8300T @ 3.20GHz×Intel Core i5-3450 @ 3.10GHz+ ADD
Price Search Online $174.73 - BUY
Socket TypeFCLGA1151-2LGA1155
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.1 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 6MB
TDP25W77W
Yearly Running Cost$4.56$14.05
OtherIntel UHD Graphics 630
First Seen on ChartQ2 2018Q2 2012
# of Samples442022
CPU Value35.125.8
Single Thread Rating(% diff. to max in group)1951(0.0%)1874(-3.9%)
CPU Mark(% diff. to max in group)5576(0.0%)4515(-19.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of April 2025 - Higher results represent better performance
Intel Core i3-8300T @ 3.20GHz
5,576
Intel Core i5-3450 @ 3.10GHz
4,515
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 15th of April 2025 - Higher results represent better value
Intel Core i3-8300T @ 3.20GHz
35.1
Intel Core i5-3450 @ 3.10GHz
25.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 15th of April 2025 - Higher results represent better performance
Intel Core i3-8300T @ 3.20GHz
1,951
Intel Core i5-3450 @ 3.10GHz
1,874
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 i3-8300T @ 3.20GHz Intel Core i5-3450 @ 3.10GHz
Max TDP25W77W
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.