Home > CPU Comparison > Core i7 1355U or Core i7 11800H: what's better?

Intel Core i7 1355U vs i7 11800H

49 out of 100
Intel Core i7 1355U
VS
44 out of 100
Intel Core i7 11800H
Intel Core i7 1355U
Intel Core i7 11800H

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1355U with 10-cores against the 1.9-2.3 GHz i7 11800H with 8-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
DeviceFacts 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 11800H and 1355U
Advantages of Intel Core i7 1355U
  • More powerful Intel Iris Xe Graphics (96EU) integrated graphics: 2 vs 0.7 TFLOPS
  • Newer - released 1 year and 8 months later
  • Has 2 more physical cores
  • 26% faster in a single-core Geekbench v6 test - 2466 vs 1962 points
  • 9% higher Turbo Boost frequency (5 GHz vs 4.6 GHz)
Advantages of Intel Core i7 11800H
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Supports up to 128 GB DDR4-3200 RAM

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i7 1355U
vs
Core i7 11800H

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) - 392
Cinebench 2026 (Multi) - 1974
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)
Core i7 1355U +26%
2466
Core i7 11800H
1962
Geekbench 6 (Multi-Core)
Core i7 1355U
7553
Core i7 11800H +19%
8986
File compression 519.7 MB/sec 765.8 MB/sec
Clang compilation 58.7 Klines/sec 64.3 Klines/sec
HTML 5 Browser 159 pages/sec 189.5 pages/sec
PDF Renderer 219.7 Mpixels/sec 281.6 Mpixels/sec
Text processing 221.5 pages/sec 186.6 pages/sec
Background blur 33.4 images/sec 37.7 images/sec
Photo processing 64.2 images/sec 78.7 images/sec
Ray tracing 12.5 Mpixels/sec 15.3 Mpixels/sec
Sources: GeekBench [1], [2] – 653 & 699 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Core i7 1355U +12%
3370
Core i7 11800H
3007
Passmark CPU (Multi-Core)
Core i7 1355U
13850
Core i7 11800H +41%
19594
Integer math 50.4 GOps/sec 70.2 GOps/sec
Floating point math 33.9 GOps/sec 41.7 GOps/sec
Find prime numbers 48M Primes/sec 83M Primes/sec
Random string sorting 17.2M Strings/sec 28M Strings/sec
Data encryption 9.6 GBytes/sec 12 GBytes/sec
Data compression 152.3 MBytes/sec 233.7 MBytes/sec
Physics 844 Frames/sec 919 Frames/sec
Extended instructions 8.5B Matrices/sec 15.7B Matrices/sec
Sources: PassMark [3], [4] – 3976 & 12773 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i7 1355U
94.87
Core i7 11800H +63%
154.87

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 33.9 PPW 11.6 PPW
Geekbench 6 Multi / Watt 503.5 PPW 199.7 PPW
Passmark CPU Mark / Watt 923.3 PPW 435.4 PPW
Blender / Watt 6.32 PPW 3.44 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 i7 1355U
DateBenchmarkResult
πŸ“˜ 2026-04-28 (Linode)Geekbench 6 CPU2435 / 7355
Add View all (1)
Intel Core i7 11800H
DateBenchmarkResult
πŸ“˜ 2026-06-30 (peppew517)Cinebench 202487 / 667
πŸ“˜ 2026-06-30 (peppew517)Cinebench 20260 / 0
πŸ“˜ 2026-06-25 (peppew517)Geekbench 6 CPU2193 / 10451
πŸ“˜ 2026-06-15 (MSI)Cinebench 2026392 / 1974
πŸ“˜ 2026-04-23 (SMS)Geekbench 6 CPU2006 / 9389
Add View all (10)

Specifications

Full technical specification of Intel Core i7 1355U and i7 11800H

General

Vendor Intel Intel
Released January 3, 2023 May 11, 2021
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Raptor Lake Tiger Lake
Model number i7-1355U i7-11800H
Integrated GPU Iris Xe Graphics (96EU) UHD Graphics for 11th Gen (32 EU)
Rival Equivalent - - AMD Ryzen 7 5800H
Successor - Intel Core Ultra 7 255U - Intel Core Ultra 7 265H
Intel CPU rating (159th and 194th place)

CPU

Performance Cores
P-Cores 2 8
P-Threads 4 16
Base Frequency (P) 1.7 GHz 1.9-2.3 GHz
Turbo Boost Frequency (P) 5 GHz 4.6 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.2 GHz -
Turbo Boost Frequency (E) 3.7 GHz -
Total
Total Cores 10 8
Total Threads 12 16
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 19-23x
Bus Bandwidth - 8 GT/s
L1 Cache 80K (per core) 96K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 12MB (shared) 24MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 12-15 W (configurable) 35-45 W (configurable)
Max. Boost TDP (PL2) 55 W -
Socket BGA-1744 BGA-1787
Peak Temperature 100Β°C 100Β°C

iGPU

Integrated Graphics Intel Iris Xe Graphics (96EU) Intel UHD Graphics for 11th Gen (32 EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1300 MHz 1450 MHz
Shading Units 768 256
TMUs 48 16
ROPs 24 8
Execution Units 96 32
TGP 15 W 15 W
iGPU FLOPS
Core i7 1355U +186%
2 TFLOPS
Core i7 11800H
0.7 TFLOPS
More info: UHD Graphics Xe (32 EU) compared to Iris Xe Graphics G7 (96EU)

Memory Support

Memory Types - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267		 - DDR4-3200
Max. Memory Size 96 GB 128 GB
Memory Channels 2 2
Max. Memory Bandwidth - 51.2 GB/s
ECC Support No No

Misc

Official Site Intel Core i7 1355U official page Intel Core i7 11800H official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
9 (45%)
11 (55%)
Total votes: 20

Competitors

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5. Intel Core i7 1355U vs Intel Core Ultra 7 155U (1)
6. Intel Core i7 1355U vs Intel Core i7 13700H (1)
7. Intel Core i7 1355U vs Intel Core i5 1335U
8. Intel Core i7 11800H vs Intel Core i5 12450H
9. Intel Core i7 11800H vs AMD Ryzen 7 7840HS
10. Intel Core i7 11800H vs Intel Core Ultra 7 155H
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Comments

So which CPU will you choose: Intel Core i7 11800H or i7 1355U?
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