Intel Core i5 1235U vs Intel Core Ultra 9 285HX
We compared two laptop CPUs: Intel Core i5 1235U with 10 cores 1.3GHz and Intel Core Ultra 9 285HX with 24 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 1235U Advantages
Lower TDP (15W vs 55W)
Intel Core Ultra 9 285HX Advantages
Released 2 years and 11 months late
Better graphics card performance
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (102.4GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.8GHz vs 1.3GHz)
Larger L3 cache size (36MB vs 12MB)
More modern manufacturing process (3nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 1235U
1652
Intel Core Ultra 9 285HX
+21%
2009
Cinebench R23 Multi Core
Intel Core i5 1235U
6599
Intel Core Ultra 9 285HX
+436%
35408
Geekbench 6 Single Core
Intel Core i5 1235U
2123
Intel Core Ultra 9 285HX
+46%
3113
Geekbench 6 Multi Core
Intel Core i5 1235U
6631
Intel Core Ultra 9 285HX
+229%
21819
General Parameters
Feb 2022
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake-U
Core Architecture
Arrow Lake
i5-1235U
Processor Number
285HX
BGA-1744
Socket
FCBGA-2114
Iris Xe Graphics (80EU)
Integrated Graphics
Arc Graphics (4-Cores)
-
Generation
Ultra 9 (Arrow Lake)
Package
10 nm
Manufacturing Process
3 nm
15 W
Power Consumption
45-55 W
-
Max Turbo Power Consumption
160 W
100 °C
Peak Operating Temperature
105 °C
-
Foundry
Intel
CPU Performance
2
Performance Cores
8
-
Performance Core Threads
8
1.3 GHz
Performance Core Base Frequency
2.8 GHz
4.4 GHz
Performance Core Turbo Frequency
5.5 GHz
8
Efficiency Cores
16
-
Efficiency Core Threads
16
-
Efficiency Core Base Frequency
2.1 GHz
-
Efficiency Core Turbo Frequency
4.6 GHz
10
Total Core Count
24
12
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
13x
Multiplier
28
80 K per core
L1 Cache
112 K per core
1280 K per core
L2 Cache
2 MB per core
12 MB shared
L3 Cache
36 MB shared
No
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR5-6400
64 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1200 MHz
GPU Max Dynamic Frequency
2000 MHz
640
Shader Units
512
40
Texture Units
32
20
Raster Operation Units
16
80
Execution Units
64
15 W
Power Consumption
14
1.41 TFLOPS
Graphics Performance
2 TFLOPS
