Intel Core Ultra 7 251HX vs Intel Core i3 1215U
CPU Specs Compare
General Parameters
Release Date
Apr 2026
Feb 2022
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Alder Lake-U
Processor Number
251HX
i3-1215U
Integrated Graphics
Arc Graphics (4-Cores)
UHD Graphics (64EU)
Package
Manufacturing Process
3 nm
10 nm
Socket
FCBGA-2114
BGA-1744
Power Consumption
45-55 W
15 W
Max Turbo Power Consumption
160 W
-
Peak Operating Temperature
105 °C
100 °C
CPU Performance
Performance Cores
6
2
Performance Core Threads
6
-
Performance Core Base Frequency
2.9 GHz
1.2 GHz
Performance Core Turbo Frequency
5.1 GHz
4.4 GHz
Efficiency Cores
12
4
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
2.5 GHz
-
Efficiency Core Turbo Frequency
4.5 GHz
-
Total Core Count
18
6
Total Thread Count
18
8
Bus Frequency
100 MHz
100 MHz
Multiplier
29
12x
L1 Cache
192 K per core
80 K per core
L2 Cache
2 MB per core
1280 K per core
L3 Cache
30 MB shared
10 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-6400
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Size
256 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
76.8 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1800 MHz
1100 MHz
Shader Units
512
512
Texture Units
32
32
Raster Operation Units
16
16
Execution Units
64
64
Power Consumption
14
45 W
📊 Benchmark
Geekbench 6
2,940
1,640
Geekbench 6
15,262
3,776
Cinebench 2024
130
-
Cinebench 2024
1,761
-
Cinebench R23
-
1,581
Cinebench R23
-
5,768
Geekbench 5
-
1,572
Geekbench 5
-
5,963
Blender
-
77
Passmark CPU
-
3,408
Passmark CPU
-
11,350