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Intel Core i7-1355U
A 15W Raptor Lake-U ultrabook chip with two Golden Cove performance cores and eight Gracemont efficiency cores. Higher boost clocks than the prior generation sharpen single-thread bursts, but the thin P-core count still caps sustained multi-core work against 8-core Ryzen U rivals.
Pros
- Fast 5.0GHz single-core boost for a 15W part
- Ten cores keep background tasks off the two P-cores
- Full 96-EU Iris Xe graphics
- Supports fast LPDDR5-6400 and DDR5-5200 memory
- Fits fanless and thin-and-light laptop designs
Cons
- Only two performance cores caps sustained multi-thread work
- Multi-core throughput trails 8-core Ryzen U chips
- Intel 7 (10nm-class) node lags newer nodes on efficiency
- Sustained performance swings with laptop cooling quality
Average
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the Intel Core i7-1355U
General
- Announced
- 2023
- Process
- 10 nm
- Base TDP
- 15 W
- Max TDP
- 55 W
Cores & Clocks
- Cores
- 10
- Performance cores
- 2
- Efficiency cores
- 8
- Threads
- 12
- Base clock
- 1.7 GHz
- Boost clock
- 5 GHz
- L3 cache
- 12 MB
Integrated GPU
- iGPU
- Intel Iris Xe (96 EU)
- iGPU clock
- 1,300 MHz
Memory
- Memory support
- LPDDR5-6400 / DDR5-5200 / DDR4-3200 / LPDDR4X-4267
- Max memory
- 96 GB
Benchmarks
- Geekbench 6 (single)
- 2,491Top 50%
- Geekbench 6 (multi)
- 8,984Bottom 32%
- Cinebench R23 (single)
- 1,805Top 38%
- Cinebench R23 (multi)
- 8,637Bottom 29%
- PassMark
- 13,837Bottom 27%
- 3DMark Time Spy Graphics (iGPU)
- 1,496Top 42%
Quick answers
Is the Intel Core i7-1355U good in 2026?
The Intel Core i7-1355U earns an Inno Score of 52.6/100 (“Average”) based on its specs and benchmark results. A 15W Raptor Lake-U ultrabook chip with two Golden Cove performance cores and eight Gracemont efficiency cores. Higher boost clocks than the prior generation sharpen single-thread bursts, but the thin P-core count still caps sustained multi-core work against 8-core Ryzen U rivals.
Does the Intel Core i7-1355U count as "Core i7 or equivalent"?
Its PassMark CPU Mark average is 13,837 (cpubenchmark.net, retrieved Sep 26, 2026), which puts it in Tier C of our CPU tier checker: older or low-power Core i7, and many recent Core i5 chips. Requirement pages word this differently, so check the exact wording with your department.
What are the key specs of the Intel Core i7-1355U?
Cores: 10 · Threads: 12 · Boost clock: 5 GHz · Base TDP: 15 W
What are the closest alternatives to the Intel Core i7-1355U?
Its closest rivals on InnoReviews are Intel Core i7-12700H, Intel Core i7-1360P, Intel Core Ultra 7 155U — open the comparison pages for a spec-by-spec breakdown.
