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Intel Core Ultra 5 245T vs Intel Core Ultra 7 165UL: Comparison
Core Ultra 5 245T vs Core Ultra 7 165UL: the l3 cache difference
Start with l3 cache, because it is the widest measured gap between them: Core Ultra 5 245T 24 MB against Core Ultra 7 165UL 12 MB, 50% in favour of Core Ultra 5 245T. They differ on tdp too, 35 W on the Core Ultra 5 245T versus 15 W on the Core Ultra 7 165UL. Form factor is not the same on both, Desktop on the Core Ultra 5 245T versus Embedded on the Core Ultra 7 165UL. There is a split on release year as well, 2025 on the Core Ultra 5 245T versus 2024 on the Core Ultra 7 165UL.
Which should you buy, Core Ultra 5 245T or Core Ultra 7 165UL?
The Core Ultra 5 245T is the one to take for desktop gaming and everyday productivity, though it is not built for laptops and fanless designs. Buy the Core Ultra 7 165UL for embedded systems and all-in-one PCs, though it is the wrong buy for traditional laptop designs and maximum core-count workloads. Our rating of the Core Ultra 5 245T (8/10): the Intel Core Ultra 5 245T is a step-up low-power desktop Arrow Lake-S chip, well suited to compact PCs wanting more headroom than the 235T. Our rating of the Core Ultra 7 165UL (8/10): the Intel Core Ultra 7 165UL packages Intel's mobile Core Ultra silicon onto a socketed LGA platform for embedded and all-in-one system designs.
What Core Ultra 5 245T and Core Ultra 7 165UL have in common
Where they agree, they agree completely, total threads, integrated graphics, socket, igpu and memory type included, so the decision does not turn on any of those.
Frequently asked questions
Do the Core Ultra 5 245T and Core Ultra 7 165UL differ on total cores?
Yes. Total Cores reads 14 on the Core Ultra 5 245T versus 12 on the Core Ultra 7 165UL.
Specs and benchmarks
Form Factor
- Intel Core Ultra 5 245T
- Desktop
- Intel Core Ultra 7 165UL
- Embedded
Codename
- Intel Core Ultra 5 245T
- Arrow Lake
- Intel Core Ultra 7 165UL
- Meteor Lake
Release Year
- Intel Core Ultra 5 245T
- 2025
- Intel Core Ultra 7 165UL
- 2024
TDP
- Intel Core Ultra 5 245T
- 35 W
- Intel Core Ultra 7 165UL
- 15 W
iGPU
- Intel Core Ultra 5 245T
- Intel Graphics
- Intel Core Ultra 7 165UL
- Intel Graphics
Market Segment
- Intel Core Ultra 5 245T
- Desktop
- Intel Core Ultra 7 165UL
- Embedded
Microarchitecture
- Intel Core Ultra 5 245T
- Arrow Lake-S
- Intel Core Ultra 7 165UL
- Meteor Lake
Socket
- Intel Core Ultra 5 245T
- FCLGA1851
- Intel Core Ultra 7 165UL
- FCLGA1851
Process Node
- Intel Core Ultra 5 245T
- 3 nm
- Intel Core Ultra 7 165UL
- 4 nm
Total Cores
- Intel Core Ultra 5 245T
- 14Best
- Intel Core Ultra 7 165UL
- 12
Performance Cores
- Intel Core Ultra 5 245T
- 6Best
- Intel Core Ultra 7 165UL
- 2
Efficiency Cores
- Intel Core Ultra 5 245T
- 8
- Intel Core Ultra 7 165UL
- 10Best
Total Threads
- Intel Core Ultra 5 245T
- 14
- Intel Core Ultra 7 165UL
- 14
SMT Enabled
- Intel Core Ultra 5 245T
- No
- Intel Core Ultra 7 165UL
- Yes
P-Core Base Clock
- Intel Core Ultra 5 245T
- 2.2 GHz
- Intel Core Ultra 7 165UL
- 1.7 GHz
P-Core Boost Clock
- Intel Core Ultra 5 245T
- 5.1 GHz
- Intel Core Ultra 7 165UL
- 4.9 GHz
L3 Cache
- Intel Core Ultra 5 245T
- 24 MBBest
- Intel Core Ultra 7 165UL
- 12 MB-50%
Base Power
- Intel Core Ultra 5 245T
- 35 W
- Intel Core Ultra 7 165UL
- 15 W
Max Turbo Power
- Intel Core Ultra 5 245T
- 114 W
- Intel Core Ultra 7 165UL
- 57 W
Memory Type
- Intel Core Ultra 5 245T
- DDR5
- Intel Core Ultra 7 165UL
- DDR5
Integrated Graphics
- Intel Core Ultra 5 245T
- Yes
- Intel Core Ultra 7 165UL
- Yes
NPU Peak TOPS
- Intel Core Ultra 5 245T
- 13 TOPS (NPU 3)
- Intel Core Ultra 7 165UL
- 11 TOPS (NPU 3)
Which one should you pick?
Choose 245T if you want the higher L3 cache (24 MB vs 12 MB).
Choose 165UL if you already have it on hand or find it at a lower price.
Verdict
Intel Core Ultra 5 245T
8 / 10 Expert Rating
The Intel Core Ultra 5 245T is a step-up low-power desktop Arrow Lake-S chip, well suited to compact PCs wanting more headroom than the 235T.
Intel Core Ultra 7 165UL
8 / 10 Expert Rating
The Intel Core Ultra 7 165UL packages Intel's mobile Core Ultra silicon onto a socketed LGA platform for embedded and all-in-one system designs.