Intel Core i5 1235U

Intel Core i5 1235U
  • Cores: 10
  • L3 cache: 12MB (shared)
  • TDP: 12-15 W (max. boost up to 55 W)
  • Transistor size: 10 nm
Core i5 1235U - laptop processor produced by Intel for socket BGA-1744 that has 10 cores and 12 threads. The base clock frequency of the CPU is 1300 MHz, but due to Turbo Boost technology, it can perform up to 4400 MHz. The size of the L3 cache is 12 MB. Please note that this chip has integrated graphics Intel Iris Xe Graphics (80EU).

Test in Benchmarks

Performance test of Intel Core i5 1235U in benchmarks

Cinebench R23

Reputable cross-platform benchmark for high-performance processors
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

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 735.6 MB/sec
Clang compilation 48.3 Klines/sec
HTML 5 Browser 209.8 pages/sec
PDF Renderer 220.8 Mpixels/sec
Text processing 203.8 pages/sec
Background blur 28 images/sec
Photo processing 45.6 images/sec
Ray tracing 4.96 Mpixels/sec
Sources: GeekBench [1]


Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 51.8 GOps/sec
Floating point math 34.7 GOps/sec
Find prime numbers 38M Primes/sec
Random string sorting 18M Strings/sec
Data encryption 9.8 GBytes/sec
Data compression 153 MBytes/sec
Physics 749 Frames/sec
Extended instructions 8.5B Matrices/sec
Sources: PassMark [3]


Core i5 1235U technical specifications


Vendor Intel
Released February 23, 2022
Type Laptop
instruction set x86-64
Codename Alder Lake
Model number i5-1235U
Integrated GPU Iris Xe Graphics (80EU)


Performance Cores
P-Cores 2
P-Threads 4
Base Frequency (P) 1.3 GHz
Turbo Boost Frequency (P) 4.4 GHz
Efficient Cores
E-Cores 8
E-Threads 8
Base Frequency (E) 0.9 GHz
Turbo Boost Frequency (E) 3.3 GHz
Total Cores 10
Total Threads 12
Bus Frequency 100 MHz
Multiplier 13x
L1 Cache 80K (per core)
L2 Cache 1280K (per core)
L3 Cache 12MB (shared)
Unlocked Multiplier No


Fabrication process 10 nm
TDP (PL1) 12-15 W (configurable)
Max. Boost TDP (PL2) 55 W
Socket BGA-1744
Peak temperature 100°C


Integrated Graphics Intel Iris Xe Graphics (80EU)
GPU Base Clock 300 MHz
GPU Boost Clock 1200 MHz
Shading Units 640
TMUs 40
ROPs 20
Execution Units 80
TGP 15 W

Memory Support

Memory types - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
Memory Size 64 GB
Max. Memory Channels 2
ECC Support No


Official site Intel Core i5 1235U official page
PCI Express Version 4.0
PCI Express Lanes 20


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