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

Intel Core Ultra 5 135U vs Ultra 5 135H

48 out of 100
Intel Core Ultra 5 135U
VS
53 out of 100
Intel Core Ultra 5 135H
Intel Core Ultra 5 135U
Intel Core Ultra 5 135H

We compared two laptop CPUs: the 1.6 GHz Intel Core Ultra 5 135U with 12-cores against the 1.7 GHz Ultra 5 135H with 14-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.
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Key Differences

What are the key differences between 135H and 135U
Advantages of Intel Core Ultra 5 135H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.5 vs 1.9 TFLOPS
  • Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer PCI Express version – 5.0
  • Has 2 more physical cores
  • 5% higher Turbo Boost frequency (4.6 GHz vs 4.4 GHz)

Test in Benchmarks

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

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 841 MB/sec 1130 MB/sec
Clang compilation 66.5 Klines/sec 86.4 Klines/sec
HTML 5 Browser 208.4 pages/sec 290.2 pages/sec
PDF Renderer 242.1 Mpixels/sec 345.4 Mpixels/sec
Text processing 212.4 pages/sec 247 pages/sec
Background blur 36.9 images/sec 48.6 images/sec
Photo processing 77.7 images/sec 110 images/sec
Ray tracing 12.8 Mpixels/sec 17.8 Mpixels/sec
Sources: GeekBench [1], [2] – 9 & 22 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 55.4 GOps/sec 72.8 GOps/sec
Floating point math 39.7 GOps/sec 54 GOps/sec
Find prime numbers 65M Primes/sec 89M Primes/sec
Random string sorting 20.6M Strings/sec 28.1M Strings/sec
Data encryption 11.6 GBytes/sec 14.7 GBytes/sec
Data compression 185.5 MBytes/sec 246 MBytes/sec
Physics 1090 Frames/sec 1441 Frames/sec
Extended instructions 10.5B Matrices/sec 14.6B Matrices/sec
Sources: PassMark [3], [4] – 1153 & 448 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 42.5 PPW 28.2 PPW
Geekbench 6 Multi / Watt 724.8 PPW 375.6 PPW
Passmark CPU Mark / Watt 1384.5 PPW 783.9 PPW
Blender / Watt 12.46 PPW 2.44 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

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

General

Vendor Intel Intel
Released December 14, 2023 December 14, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Meteor Lake
Model number 135U 135H
Integrated GPU Arc Graphics (4-Cores) Arc Graphics (8-Cores)
Rival Equivalent - AMD Ryzen 5 8640U - AMD Ryzen 5 8645HS
Successor - Intel Core Ultra 5 235U - Intel Core Ultra 5 235H
Intel CPU rating (168th and 131st place)

CPU

Performance Cores
P-Cores 2 4
P-Threads 4 8
Base Frequency (P) 1.6 GHz 1.7 GHz
Turbo Boost Frequency (P) 4.4 GHz 4.6 GHz
Efficient Cores
E-Cores 10 10
E-Threads 10 10
Base Frequency (E) 1.1 GHz 1.2 GHz
Turbo Boost Frequency (E) 3.6 GHz 3.6 GHz
Total
Total Cores 12 14
Total Threads 14 18
Bus Frequency 100 MHz 100 MHz
Multiplier 16x 17x
L1 Cache 112K (per core) 112K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 12MB (shared) 18MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 7 nm 7 nm
TDP (PL1) 12 W 20-28 W (configurable)
Max. Boost TDP (PL2) 57 W 115 W
Socket FCBGA-2049 FCBGA-2049
Peak Temperature 110°C 110°C

iGPU

Integrated Graphics Arc Graphics (4-Cores) Arc Graphics (8-Cores)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1900 MHz 2200 MHz
Shading Units 512 1024
TMUs 32 64
ROPs 16 32
Execution Units 64 128
TGP 14 W 28 W
iGPU FLOPS
Core Ultra 5 135U
1.9 TFLOPS
Core Ultra 5 135H +137%
4.5 TFLOPS
More info: Arc iGPU (8-Cores) compared to iGPU (4-Cores)

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600		 - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
Max. Memory Size 96 GB 96 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s 89.6 GB/s
ECC Support No No

Misc

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

Cast your vote

Choose between two processors
2 (11.1%)
16 (88.9%)
Total votes: 18

Competitors

1. Intel Core Ultra 5 135U vs Intel Core i5 1335U
2. Intel Core Ultra 5 135U vs Intel Core Ultra 7 165U
3. Intel Core Ultra 5 135U vs Intel Core i5 1345U
4. Intel Core Ultra 5 135U vs Intel Core Ultra 7 155U
5. Intel Core Ultra 5 135H vs Intel Core i7 1360P
6. Intel Core Ultra 5 135H vs Intel Core Ultra 5 225H
7. Intel Core Ultra 5 135H vs Intel Core Ultra 5 226V
8. Intel Core Ultra 5 135H vs Intel Core Ultra 7 255H
9. Intel Core Ultra 5 135H vs AMD Ryzen Z1
10. Intel Core Ultra 5 135H vs Intel Core i5 13500H
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Comments

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