Intel Core i7 8557U vs Intel Core i9 9900X
CPU Specs Compare
General Parameters
Release Date
Jul 2019
Oct 2018
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Skylake
Processor Number
i7-8557U
i9-9900X
Integrated Graphics
Iris Plus Graphics 645
N/A
Package
Manufacturing Process
14 nm
14 nm
Socket
BGA-1528
LGA-2066
Power Consumption
15 W
165 W
Peak Operating Temperature
100 °C
92 °C
CPU Performance
Performance Cores
4
10
Performance Core Threads
8
20
Performance Core Base Frequency
1.7 GHz
3.5 GHz
Performance Core Turbo Frequency
4.5 GHz
4.4 GHz
Total Core Count
4
10
Total Thread Count
8
20
Multiplier
17x
35x
L1 Cache
32 K per core
64 K per core
L2 Cache
256 K per core
1 MB per core
L3 Cache
8 MB shared
20 MB shared
Unlocked Multiplier
No
Yes
Bus Frequency
-
100 MHz
Memory Parameters
Memory Types
DDR4-2400, LPDDR3-2133
DDR4-2666
Max Memory Size
32 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
37.5 GB/s
85 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1150 MHz
-
Shader Units
384
-
Texture Units
48
-
Raster Operation Units
6
-
Execution Units
48
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Miscellaneous
📊 Benchmark
Cinebench R23
-
1,182
Cinebench R23
-
13,994
Geekbench 6
-
1,455
Geekbench 5
-
1,165
Geekbench 6
-
10,273
Geekbench 5
-
10,704
Passmark CPU
-
2,565
Passmark CPU
-
21,833