Intel Core i7 8557U vs Intel Processor U300
We compared two laptop CPUs: Intel Core i7 8557U with 4 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 8557U 's Advantages
Better graphics card performance
Higher base frequency (1.7GHz vs 1.2GHz)
Intel Processor U300 's Advantages
Released 3 years and 6 months late
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
More modern manufacturing process (10nm vs 14nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 8557U
1180
Intel Processor U300
+33%
1571
Cinebench R23 Multi Core
Intel Core i7 8557U
4595
Intel Processor U300
+6%
4883
Geekbench 6 Single Core
Intel Core i7 8557U
884
Intel Processor U300
+143%
2156
Geekbench 6 Multi Core
Intel Core i7 8557U
3216
Intel Processor U300
+58%
5096
Geekbench 5 Single Core
Intel Core i7 8557U
1031
Intel Processor U300
+52%
1572
Geekbench 5 Multi Core
Intel Core i7 8557U
3935
Intel Processor U300
+21%
4783
Passmark CPU Single Core
Intel Core i7 8557U
2510
Intel Processor U300
+19%
2999
Passmark CPU Multi Core
Intel Core i7 8557U
7875
Intel Processor U300
+5%
8295
General Parameters
Jul 2019
Release Date
Jan 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Raptor Lake
i7-8557U
Processor Number
U300
BGA-1528
Socket
BGA-1744
Iris Plus Graphics 645
Integrated Graphics
UHD Graphics (48EU)
Package
14 nm
Manufacturing Process
10 nm
15 W
Power Consumption
12-15 W
-
Max Turbo Power Consumption
55 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
4
Performance Cores
1
8
Performance Core Threads
2
1.7 GHz
Performance Core Base Frequency
1.2 GHz
4.5 GHz
Performance Core Turbo Frequency
4.4 GHz
-
Efficiency Cores
4
-
Efficiency Core Threads
4
-
Efficiency Core Base Frequency
0.9 GHz
-
Efficiency Core Turbo Frequency
3.3 GHz
4
Total Core Count
5
8
Total Thread Count
6
-
Bus Frequency
100 MHz
17x
Multiplier
12
32 K per core
L1 Cache
80 K per core
256 K per core
L2 Cache
1280 K per core
8 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
DDR5-5200,DDR4-3200,LPDDR5-5200,LPDDR5x-5200,LPDDR4x-4267
32 GB
Max Memory Size
96 GB
2
Max Memory Channels
2
37.5 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
1150 MHz
GPU Max Dynamic Frequency
1100 MHz
384
Shader Units
384
48
Texture Units
24
6
Raster Operation Units
12
48
Execution Units
48
15 W
Power Consumption
15
4096x2304 - 60 Hz
Max Resolution
-
0.81 TFLOPS
Graphics Performance
0.8 TFLOPS
Miscellaneous
3.0
PCIe Version
4.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
