Home > CPU Comparison > Core Ultra 5 135H or Core i5 1335U: what's better?

Intel Core Ultra 5 135H vs i5 1335U

53 out of 100
Intel Core Ultra 5 135H
VS
44 out of 100
Intel Core i5 1335U
Intel Core Ultra 5 135H
Intel Core i5 1335U

We compared two laptop CPUs: the 1.7 GHz Intel Core Ultra 5 135H with 14-cores against the 1.3 GHz i5 1335U with 10-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 1335U and 135H
Advantages of Intel Core Ultra 5 135H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.5 vs 1.6 TFLOPS
  • Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer - released 1 year later
  • More modern manufacturing process – 7 versus 10 nanometers
  • Has 4 more physical cores
  • Newer PCI Express version – 5.0
  • More than 10Β° C higher critical temperature

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 5 135H
vs
Core i5 1335U

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression 1130 MB/sec 703.6 MB/sec
Clang compilation 86.4 Klines/sec 53.5 Klines/sec
HTML 5 Browser 290.2 pages/sec 219.6 pages/sec
PDF Renderer 345.4 Mpixels/sec 218.9 Mpixels/sec
Text processing 247 pages/sec 207.1 pages/sec
Background blur 48.6 images/sec 38.2 images/sec
Photo processing 110 images/sec 87.9 images/sec
Ray tracing 17.8 Mpixels/sec 11.8 Mpixels/sec
Sources: GeekBench [1], [2] – 22 & 1007 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core Ultra 5 135H +59%
21948
Core i5 1335U
13813
Integer math 72.8 GOps/sec 49.7 GOps/sec
Floating point math 54 GOps/sec 33.9 GOps/sec
Find prime numbers 89M Primes/sec 47M Primes/sec
Random string sorting 28.1M Strings/sec 17.5M Strings/sec
Data encryption 14.7 GBytes/sec 9.7 GBytes/sec
Data compression 246 MBytes/sec 154.4 MBytes/sec
Physics 1441 Frames/sec 819 Frames/sec
Extended instructions 14.6B Matrices/sec 8.7B Matrices/sec
Sources: PassMark [3], [4] – 448 & 3604 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core Ultra 5 135H
68.25
Core i5 1335U +18%
80.21

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 28.2 PPW 26.5 PPW
Geekbench 6 Multi / Watt 375.6 PPW 505.8 PPW
Passmark CPU Mark / Watt 783.9 PPW 920.9 PPW
Blender / Watt 2.44 PPW 5.35 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core Ultra 5 135H
No benchmark results yet
Add
Intel Core i5 1335U
DateBenchmarkResult
πŸ“˜ 2026-05-15 (Melkon)Geekbench 6 CPU2317 / 7898
πŸ“˜ 2026-05-15 (Melkon)Geekbench 6 CPU2391 / 7543
πŸ“˜ 2025-06-05 (John Wick)Geekbench 6 CPU2347 / 8190
πŸ“˜ 2025-06-05 (John Wick)Cinebench 202495 / 397
Add View all (4)

Specifications

Full technical specification of Intel Core Ultra 5 135H and i5 1335U

General

Vendor Intel Intel
Released December 14, 2023 January 3, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Raptor Lake
Model number 135H i5-1335U
Integrated GPU Arc Graphics (8-Cores) Iris Xe Graphics (80EU)
Rival Equivalent - AMD Ryzen 5 8645HS - AMD Ryzen 5 7535U
Successor - Intel Core Ultra 5 235H - Intel Core Ultra 5 225U
Intel CPU rating (131st and 191st place)

CPU

Performance Cores
P-Cores 4 2
P-Threads 8 4
Base Frequency (P) 1.7 GHz 1.3 GHz
Turbo Boost Frequency (P) 4.6 GHz 4.6 GHz
Efficient Cores
E-Cores 10 8
E-Threads 10 8
Base Frequency (E) 1.2 GHz 0.9 GHz
Turbo Boost Frequency (E) 3.6 GHz 3.4 GHz
Total
Total Cores 14 10
Total Threads 18 12
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 13x
L1 Cache 112K (per core) 80K (per core)
L2 Cache 2MB (per core) 1280K (per core)
L3 Cache 18MB (shared) 12MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 7 nm 10 nm
TDP (PL1) 20-28 W (configurable) 12-15 W (configurable)
Max. Boost TDP (PL2) 115 W 55 W
Socket FCBGA-2049 BGA-1744
Peak Temperature 110Β°C 100Β°C

iGPU

Integrated Graphics Arc Graphics (8-Cores) Intel Iris Xe Graphics (80EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2200 MHz 1250 MHz
Shading Units 1024 640
TMUs 64 40
ROPs 32 20
Execution Units 128 80
TGP 28 W 15 W
iGPU FLOPS
Core Ultra 5 135H +181%
4.5 TFLOPS
Core i5 1335U
1.6 TFLOPS
More info: Iris Xe Graphics G7 (80EU) compared to Arc iGPU (8-Cores)

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600		 - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267
Max. Memory Size 96 GB 96 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support No No

Misc

Official Site Intel Core Ultra 5 135H official page Intel Core i5 1335U official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
7 (100%)
0 (0%)
Total votes: 7

Competitors

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6. Intel Core i5 1335U vs AMD Ryzen 7 7730U (7)
7. Intel Core i5 1335U vs Apple M3
8. Intel Core i5 1335U vs Intel Core 5 120U (2)
9. Intel Core i5 1335U vs AMD Ryzen 5 7530U (4)
10. Intel Core i5 1335U vs Intel Core i7 1355U
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Comments

So which CPU will you choose: Intel Core i5 1335U or Ultra 5 135H?
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