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Core i5-1235U vs Core Ultra 7 155H: specs and benchmark comparison

AIntel · Alder Lake

Intel Core i5-1235U

  • 10 cores / 12 threads
  • up to 4.4 GHz
  • FCBGA1744

2022

BIntel · Meteor Lake

Intel Core Ultra 7 155H

  • 16 cores / 22 threads
  • up to 4.8 GHz
  • FCBGA2049

2023

Short verdict

Intel Core Ultra 7 155H leads in every scenario with comparable benchmarks: multi-thread performance. This does not imply an advantage in tasks without benchmarks.

Compare with AI
← Core i5-1235UCore Ultra 7 155H →

  • Multi-thread performance

    B +153.7%

    Intel Core Ultra 7 155H leads in this scenario (up to 153.7% in comparable benchmarks).

No comparable benchmarks yet: single-thread performance, gaming (cpu-bound scenarios), power efficiency.

Advantages

Only measured and rated values: a noticeable benchmark gap and specs where more is better.

Where Core i5-1235U is better1

  • Processor Base Power (Intel) 13 W lower15 W vs 28 W

Where Core Ultra 7 155H is better6

  • Blender Benchmark 4.4.0 149.8% faster152 samples/min vs 61 samples/min

  • Cores 6 more16 (6P + 10E) vs 10 (2P + 8E)

  • Threads 10 more22 vs 12

  • L3 cache 12 MB more24 MB vs 12 MB

  • Official memory speed 800 MT/s more5,600 MT/s vs 4,800 MT/s

  • Max memory capacity 32 GB more96 GB vs 64 GB

Benchmarks

Results are compared within one benchmark, one version and the same conditions. Laptop chip results depend on the laptop model: its maker sets the power limit and cooling.

  • Blender Benchmark 4.4.0

    CPU, sum of scenes monster + junkshop + classroom · samples/min, higher is better

    B ahead by 149.8%

    Position among tested models (72)

    A · 61B · 152
    0200400600800
    Each dot is one model’s median in this benchmark. The scale starts at zero, samples/min.

    Intel Core Ultra 7 155H is ahead by 149.8% in this benchmark.

    About the measurement and source
    A · Intel Core i5-1235U

    60.9 samples/min · community measurement, sample 20 · November 15, 2026

    Blender Open Data (Blender Foundation)

    Median of 20 submissions (0 outliers excluded), interquartile range 43.49–75.24; submissions 2025-03-25 to 2025-10-20; CPU backend. Snapshot 2026-11-15.

    B · Intel Core Ultra 7 155H

    152.2 samples/min · community measurement, sample 38 · November 15, 2026

    Blender Open Data (Blender Foundation)

    Median of 38 submissions (0 outliers excluded), interquartile range 127.09–186.37; submissions 2025-03-24 to 2025-10-08; CPU backend. Snapshot 2026-11-15.

    difference = |A − B| ÷ the smaller value × 100%. The 5% noticeable threshold is a UX heuristic, not statistical significance.

    Cycles render in Blender Benchmark. Median of the sum of samples per minute over three scenes after removing outliers.

Other comparable benchmarks (2)
BenchmarkABDifference
Blender Benchmark 4.1.0CPU, sum of scenes monster + junkshop + classroom69.9177.3B +153.7%
Blender Benchmark 4.3.0CPU, sum of scenes monster + junkshop + classroom71.3148.1B +107.9%

Each benchmark version has its own scale: numbers are compared only within a row.

Reference results (13)
BenchmarkABDifference
Blender Benchmark 4.2.0CPU, sum of scenes monster + junkshop + classroom63.1180.2reference
Blender Benchmark 4.5.0CPU, sum of scenes monster + junkshop + classroom61.4150.1reference
Blender Benchmark 5.1.1CPU, sum of scenes monster + junkshop + classroom76.4178.7reference
Blender Benchmark 5.2.0CPU, sum of scenes monster + junkshop + classroom80.7167.1reference
Blender Benchmark 3.2.1CPU, sum of scenes monster + junkshop + classroom85.3181.3reference
Blender Benchmark 3.3.0CPU, sum of scenes monster + junkshop + classroom90—no pair
Blender Benchmark 3.4.0CPU, sum of scenes monster + junkshop + classroom82.6142.3reference
Blender Benchmark 3.5.0CPU, sum of scenes monster + junkshop + classroom81.8180.1reference
Blender Benchmark 3.6.0CPU, sum of scenes monster + junkshop + classroom70.1105.2reference
Blender Benchmark 4.0.0CPU, sum of scenes monster + junkshop + classroom70.1172reference
Blender Benchmark 5.1.0CPU, sum of scenes monster + junkshop + classroom73.7124.9reference
Blender Benchmark 5.0.0CPU, sum of scenes monster + junkshop + classroom—175.1no pair
Blender Benchmark 5.3.0CPU, sum of scenes monster + junkshop + classroom—223no pair

Each benchmark version has its own scale: numbers are compared only within a row.

Specifications

Chip maker values. The laptop maker sets the power limit and clocks in each laptop.

Cores and clocks

  • Cores

    A10 (2P + 8E)

    B16 (6P + 10E)

    B: 6 more

    Cores of different types may differ in performance.

  • Threads

    A12

    B22

    B: 10 more

  • Base clock

    Ano data

    B1.4 GHz

    no data for A

    For hybrid Intel CPUs, the P-core base clock is shown.

  • Max clock (Boost/Turbo)

    A4.4 GHz

    B4.8 GHz

    B: 0.4 GHz more

Cache

  • L3 cache

    A12 MB

    B24 MB

    B: 12 MB more

Platform

  • Socket

    AFCBGA1744

    BFCBGA2049

    differs

  • Process node

    AIntel 7

    Bno data

    no data for B

Memory and interfaces

  • Memory type

    ADDR4, DDR5, LPDDR4x, LPDDR5

    BDDR5, LPDDR5/x

    differs

  • Memory channels

    A2

    B2

    equal

  • Official memory speed

    A4,800 MT/s

    B5,600 MT/s

    B: 800 MT/s more

    For controllers that support two generations, the speed for the newer memory type is shown.

  • Max memory capacity

    A64 GB

    B96 GB

    B: 32 GB more

  • PCI Express

    APCIe 4.0, 20 lanes

    BPCIe 5.0 and 4.0, 28 lanes

    differs

  • Integrated graphics

    AIntel Iris Xe Graphics (eligible)

    BIntel Arc graphics

    differs

Power

  • Processor Base Power (Intel)

    A15 W

    B28 W

    B: 13 W higher

  • Maximum Turbo Power (Intel)

    A55 W

    B115 W

    B: 60 W higher

  • Minimum Assured Power (Intel)

    A12 W

    B20 W

    B: 8 W higher

    The lower bound to which the laptop maker can reduce the CPU’s base power.

“More” does not always mean “better”: higher power draw or size is a system requirement, not an advantage (such bars are dimmed).

Compare with AI

An AI model reviews the specs and benchmarks of this pair and gives a plain-language verdict on who each model suits.

AI verdict

Questions and answers

Do Intel Core i5-1235U and Intel Core Ultra 7 155H fit the same motherboard?

No: Intel Core i5-1235U uses FCBGA1744, while Intel Core Ultra 7 155H uses FCBGA2049.

How many cores and threads do Intel Core i5-1235U and Intel Core Ultra 7 155H have?

Intel Core i5-1235U: 10 cores / 12 threads. Intel Core Ultra 7 155H: 16 cores / 22 threads (manufacturer data).

Do these CPUs have integrated graphics?

Intel Core i5-1235U: Intel Iris Xe Graphics (eligible). Intel Core Ultra 7 155H: Intel Arc graphics.

Which is faster: Intel Core i5-1235U or Intel Core Ultra 7 155H?

Intel Core Ultra 7 155H leads in every scenario with comparable benchmarks: multi-thread performance. This does not imply an advantage in tasks without benchmarks.

Data sources (2)
  • Intel — specifications of Intel Core i5-1235U, specifications of Intel Core Ultra 7 155Hchecked November 7, 2026
  • Blender Open Data (Blender Foundation) — benchmark Blender Benchmark 4.2.0, benchmark Blender Benchmark 4.5.0, benchmark Blender Benchmark 5.1.1, benchmark Blender Benchmark 5.2.0, benchmark Blender Benchmark 3.2.1, benchmark Blender Benchmark 3.3.0, benchmark Blender Benchmark 3.4.0, benchmark Blender Benchmark 3.5.0, benchmark Blender Benchmark 3.6.0, benchmark Blender Benchmark 4.0.0, benchmark Blender Benchmark 4.1.0, benchmark Blender Benchmark 4.3.0, benchmark Blender Benchmark 4.4.0, benchmark Blender Benchmark 5.1.0, benchmark Blender Benchmark 5.0.0, benchmark Blender Benchmark 5.3.0checked November 14, 2026

How we compare: methodology. Where the data comes from: sources.

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