Intel Core i7 8557U vs AMD EPYC 7742
CPU · Specs Compare
General Parameters
Release Date
Jul 2019
Aug 2019
Manufacturer
Intel
AMD
Type
Laptop
Server
Instruction Set
x86-64
—
Core Architecture
Coffee Lake
Rome
Processor Number
i7-8557U
—
Integrated Graphics
Iris Plus Graphics 645
N/A
Generation
—
EPYC (Zen 2 (Rome))
Package
Manufacturing Process
14 nm
7 nm
Socket
BGA-1528
AMD Socket SP3
Power Consumption
15 W
225 W
Peak Operating Temperature
100 °C
—
Transistor Count
—
3.8 billions
Foundry
—
TSMC
Die Size
—
74 mm²
Package
—
FCLGA-4094
CPU Performance
Performance Cores
4
—
Performance Core Threads
8
—
Performance Core Base Frequency
1.7 GHz
2.25 GHz
Performance Core Turbo Frequency
4.5 GHz
3.4 GHz
Total Core Count
4
64
Total Thread Count
8
128
Multiplier
17x
22.5
L1 Cache
32 K per core
96 K per core
L2 Cache
256 K per core
512 K per core
L3 Cache
8 MB shared
256 MB shared
Unlocked Multiplier
No
No
Bus Frequency
—
100 MHz
SMP
—
2
Memory Parameters
Memory Types
DDR4-2400, LPDDR3-2133
DDR4-3200
Max Memory Size
32 GB
—
Max Memory Channels
2
8
Max Memory Bandwidth
37.5 GB/s
—
ECC Memory Support
No
Yes
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
PCIe Version
3.0
4
PCIe Lanes
16
—
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Geekbench 6
—
404
Geekbench 6
—
170
▲ Specs Compare
Data sourced from official specifications and benchmark tests.