Intel Core Ultra 7 255H vs Intel Core i3 1215U
We compared two laptop CPUs: Intel Core Ultra 7 255H with 16 cores 2.0GHz and Intel Core i3 1215U with 6 cores 1.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255H 's Advantages
Released 2 years and 11 months late
Higher specification of memory (8400 vs 5200)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.0GHz vs 1.2GHz)
Larger L3 cache size (24MB vs 10MB)
More modern manufacturing process (3nm vs 10nm)
Intel Core i3 1215U 's Advantages
Lower TDP (15W vs 28W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255H
+28%
2029
Intel Core i3 1215U
1581
Cinebench R23 Multi Core
Intel Core Ultra 7 255H
+255%
20521
Intel Core i3 1215U
5768
Geekbench 6 Single Core
Intel Core Ultra 7 255H
+72%
2823
Intel Core i3 1215U
1640
Geekbench 6 Multi Core
Intel Core Ultra 7 255H
+314%
15662
Intel Core i3 1215U
3776
General Parameters
Jan 2025
Release Date
Feb 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Alder Lake-U
255H
Processor Number
i3-1215U
FCBGA-2049
Socket
BGA-1744
Arc Graphics 140T
Integrated Graphics
UHD Graphics (64EU)
Package
3 nm
Manufacturing Process
10 nm
20-28 W
Power Consumption
15 W
115 W
Max Turbo Power Consumption
-
110 °C
Peak Operating Temperature
100 °C
CPU Performance
6
Performance Cores
2
6
Performance Core Threads
-
2.0 GHz
Performance Core Base Frequency
1.2 GHz
5.1 GHz
Performance Core Turbo Frequency
4.4 GHz
10
Efficiency Cores
4
10
Efficiency Core Threads
-
1.5 GHz
Efficiency Core Base Frequency
-
4.4 GHz
Efficiency Core Turbo Frequency
-
16
Total Core Count
6
16
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
20
Multiplier
12x
112 K per core
L1 Cache
80 K per core
2 MB per core
L2 Cache
1280 K per core
24 MB shared
L3 Cache
10 MB shared
No
Unlocked Multiplier
No
Memory Parameters
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
-
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
2250 MHz
GPU Max Dynamic Frequency
1100 MHz
-
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
16
-
Execution Units
64
-
Power Consumption
45 W
-
Graphics Performance
1.43 TFLOPS
