Intel Core i7 1255U vs Intel Processor U300
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Processor U300 with 5 cores 1.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 1255U Advantages
Better graphics card performance
Higher base frequency (1.7GHz vs 1.2GHz)
Larger L3 cache size (12MB vs 8MB)
Intel Processor U300 Advantages
Released 11 months late
Higher specification of memory (5200 vs 5200)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 1255U
+8%
1701
Intel Processor U300
1571
Cinebench R23 Multi Core
Intel Core i7 1255U
+68%
8233
Intel Processor U300
4883
Geekbench 6 Single Core
Intel Core i7 1255U
+4%
2248
Intel Processor U300
2156
Geekbench 6 Multi Core
Intel Core i7 1255U
+40%
7162
Intel Processor U300
5096
Geekbench 5 Single Core
Intel Core i7 1255U
+3%
1628
Intel Processor U300
1572
Geekbench 5 Multi Core
Intel Core i7 1255U
+54%
7372
Intel Processor U300
4783
Passmark CPU Single Core
Intel Core i7 1255U
+10%
3308
Intel Processor U300
2999
Passmark CPU Multi Core
Intel Core i7 1255U
+66%
13792
Intel Processor U300
8295
General Parameters
Feb 2022
Release Date
Jan 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Raptor Lake
i7-1255U
Processor Number
U300
BGA-1744
Socket
BGA-1744
Iris Xe Graphics (96EU)
Integrated Graphics
UHD Graphics (48EU)
Package
10 nm
Manufacturing Process
10 nm
12-15 W
Power Consumption
12-15 W
55 W
Max Turbo Power Consumption
55 W
100°C
Peak Operating Temperature
100 °C
CPU Performance
2
Performance Cores
1
4
Performance Core Threads
2
1.7 GHz
Performance Core Base Frequency
1.2 GHz
4.7 GHz
Performance Core Turbo Frequency
4.4 GHz
8
Efficiency Cores
4
8
Efficiency Core Threads
4
1.2 GHz
Efficiency Core Base Frequency
0.9 GHz
3.5 GHz
Efficiency Core Turbo Frequency
3.3 GHz
10
Total Core Count
5
12
Total Thread Count
6
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
12
80 K per core
L1 Cache
80 K per core
1280 K per core
L2 Cache
1280 K per core
12 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR5-5200,DDR4-3200,LPDDR5-5200,LPDDR5x-5200,LPDDR4x-4267
64 GB
Max Memory Size
96 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
400 MHz
1250 MHz
GPU Max Dynamic Frequency
1100 MHz
768
Shader Units
384
48
Texture Units
24
24
Raster Operation Units
12
96
Execution Units
48
15 W
Power Consumption
15
1.69 TFLOPS
Graphics Performance
0.8 TFLOPS
