
Core i5-1345U

Core i7-1355U
Core i5-1345U vs Core i7-1355U Performance Spectrum
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Core i5-1345U vs Core i7-1355U FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Core i5-1345U vs Core i7-1355U: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i5-1345U
2023Why buy it
- ✅+0.8% higher PassMark.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i7-1355U across 50 shared CPU benchmark tests.
Core i7-1355U
2023Why buy it
- ✅Better for gaming: +5.6% higher average FPS across 50 shared CPU benchmark tests.
Trade-offs
- ❌Lower PassMark (14,116 vs 14,226).
Quick Answers
So, is Core i5-1345U better than Core i7-1355U?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core i5-1345U vs Core i7-1355U Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i5-1345U
The Core i5-1345U is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 10 cores and 12 threads. Base frequency is 1.6 GHz, with boost up to 4.7 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 14,226 points. Launch price was $309.

Core i7-1355U
The Core i7-1355U is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 10 cores and 12 threads. Base frequency is 1.7 GHz, with boost up to 5 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 14,116 points. Launch price was $469.
Processing Power
Both the Core i5-1345U and Core i7-1355U share an identical 10-core/12-thread configuration. Boost clocks reach 4.7 GHz on the Core i5-1345U versus 5 GHz on the Core i7-1355U — a 6.2% clock advantage for the Core i7-1355U (base: 1.6 GHz vs 1.7 GHz). Both are built on the Raptor Lake-U (2023) architecture using a Intel 7 nm process. In PassMark, the Core i5-1345U scores 14,226 against the Core i7-1355U's 14,116 — a 0.8% lead for the Core i5-1345U. Both processors carry 12 MB (total) of L3 cache.
| Feature | Core i5-1345U | Core i7-1355U |
|---|---|---|
| Cores / Threads | 10 / 12 | 10 / 12 |
| Boost Clock | 4.7 GHz | 5 GHz+6% |
| Base Clock | 1.6 GHz | 1.7 GHz+6% |
| L3 Cache | 12 MB (total) | 12 MB (total) |
| L2 Cache | 1.25 MB (per core) | 1.25 MB (per core) |
| Process | Intel 7 nm | Intel 7 nm |
| Architecture | Raptor Lake-U (2023) | Raptor Lake-U (2023) |
| PassMark | 14,226 | 14,116 |
Memory & Platform
Both processors use the FCBGA1744 socket with PCIe 5.0.
| Feature | Core i5-1345U | Core i7-1355U |
|---|---|---|
| Socket | FCBGA1744 | FCBGA1744 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
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