Intel Core i7 8557U vs Intel Core i9 9900KS
CPU · Specs Compare
General Parameters
Release Date
Jul 2019
Oct 2019
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Coffee Lake
Processor Number
i7-8557U
i9-9900KS
Integrated Graphics
Iris Plus Graphics 645
UHD Graphics 630
Package
Manufacturing Process
14 nm
14 nm
Socket
BGA-1528
LGA-1151
Power Consumption
15 W
127 W
Peak Operating Temperature
100 °C
100 °C
CPU Performance
Performance Cores
4
8
Performance Core Threads
8
16
Performance Core Base Frequency
1.7 GHz
4.0 GHz
Performance Core Turbo Frequency
4.5 GHz
5 GHz
Total Core Count
4
8
Total Thread Count
8
16
Multiplier
17x
40x
L1 Cache
32 K per core
64 K per core
L2 Cache
256 K per core
256 K per core
L3 Cache
8 MB shared
16 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
2
Max Memory Bandwidth
37.5 GB/s
41.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
350 MHz
GPU Max Dynamic Frequency
1150 MHz
1200 MHz
Shader Units
384
192
Texture Units
48
24
Raster Operation Units
6
3
Execution Units
48
24
Power Consumption
15 W
15 W
Max Resolution
4096x2304 - 60 Hz
4096x2304 - 60 Hz
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
16
16
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
SSE4.1, SSE4.2, AVX-2
Benchmark
Cinebench R23
—
1,323
Cinebench R23
—
13,343
Geekbench 6
—
1,678
Geekbench 5
—
1,391
Geekbench 6
—
8,751
Geekbench 5
—
9,636
Blender
—
177
Passmark CPU
—
3,029
Passmark CPU
—
19,417
▲ Specs Compare
Data sourced from official specifications and benchmark tests.