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Intel Core i5 1235U
Intel Laptop CPU

Intel Core i5 1235U

43B
Cores10
Threads12
Boost Clock4.4 GHz
TDP12-15 W (configurable)
SocketBGA-1744
Process10 nm
⇄ Compare with…

Benchmarks

Perf.39
iGPU40
Energy55
Cinebench 2024 Single-Core98
Cinebench 2024 Multi-Core368
TDP12-15 W
Cache L312MB
Cinebench 2024 (Single)98
Cinebench 2024 (Multi)368
Geekbench 6 (Single-Core)2089
Geekbench 6 (Multi-Core)6362
Passmark CPU (Single-Core)3051
Passmark CPU (Multi-Core)12,449
Blender CPU80.33
iGPU FLOPS1.5 TFLOPS

Full specifications

Cinebench

Cinebench 2026 (Single)
400
Cinebench 2026 (Multi)
1046

GeekBench v6

File compression
448.4 MB/sec
Clang compilation
24.1 Klines/sec
HTML 5 Browser
156 pages/sec
PDF Renderer
128.9 Mpixels/sec
Text processing
206.3 pages/sec
Background blur
34.7 images/sec
Photo processing
54.1 images/sec
Ray tracing
10.5 Mpixels/sec

PassMark

Integer math
47.4 GOps/sec
Floating point math
37.4 GOps/sec
Find prime numbers
534M Primes/sec
Random string sorting
16.6M Strings/sec
Data encryption
9 GBytes/sec
Data compression
143.4 MBytes/sec
Physics
649 Frames/sec
Extended instructions
7.9B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt
24.5 PPW
Geekbench 6 Multi / Watt
424.1 PPW
Passmark CPU Mark / Watt
829.9 PPW
Blender / Watt
5.36 PPW

General

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)
Successor
- Intel Core Ultra 5 225U

CPU

P-Cores
2
P-Threads
4
Base Frequency (P)
1.3 GHz
Turbo Boost Frequency (P)
4.4 GHz
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

Package

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

iGPU

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
Max. Memory Size
64 GB
Memory Channels
2
ECC Support
No

Misc

Official Site
Intel Core i5 1235U official page
PCI Express Version
4.0
PCI Express Lanes
20
Technologies
- Compute: ABM, ADX, BMI1, BMI2, CLMUL, F16C, SHA - Performance: EIST, TBT 2.0, TSX - Virtualization: VT-d, VT-x - Security: RDRAND, TXT, XD bit

Specifications compiled from NanoReview. Last updated 2026-09-29.

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