AMD EPYC 7742 vs Intel Core Ultra 7 255HX
CPU · Specs Compare
General Parameters
Release Date
Aug 2019
Jan 2025
Manufacturer
AMD
Intel
Type
Server
Laptop
Core Architecture
Rome
Arrow Lake
Integrated Graphics
N/A
Arc Graphics (4-Cores)
Generation
EPYC (Zen 2 (Rome))
Ultra 7 (Arrow Lake)
Instruction Set
—
x86-64
Processor Number
—
255HX
Package
Transistor Count
3.8 billions
—
Manufacturing Process
7 nm
3 nm
Socket
AMD Socket SP3
FCBGA-2114
Power Consumption
225 W
45-55 W
Foundry
TSMC
Intel
Die Size
74 mm²
—
Package
FCLGA-4094
FC-LGA18V
Max Turbo Power Consumption
—
160 W
Peak Operating Temperature
—
105 °C
CPU Performance
Performance Core Base Frequency
2.25 GHz
2.4 GHz
Performance Core Turbo Frequency
3.4 GHz
5.2 GHz
Total Core Count
64
20
Total Thread Count
128
20
Bus Frequency
100 MHz
100 MHz
Multiplier
22.5
24
L1 Cache
96 K per core
112 K per core
L2 Cache
512 K per core
2 MB per core
L3 Cache
256 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
SMP
2
1
Performance Cores
—
8
Performance Core Threads
—
8
Efficiency Cores
—
12
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
1.8 GHz
Efficiency Core Turbo Frequency
—
4.5 GHz
Memory Parameters
Memory Types
DDR4-3200
DDR5-6400
Max Memory Channels
8
2
ECC Memory Support
Yes
Yes
Max Memory Size
—
192 GB
Max Memory Bandwidth
—
102.4 GB/s
Miscellaneous
PCIe Version
4
5.0
PCIe Lanes
—
24
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
300 MHz
GPU Max Dynamic Frequency
—
1850 MHz
Shader Units
—
512
Texture Units
—
32
Raster Operation Units
—
16
Execution Units
—
64
Power Consumption
—
14
Benchmark
Geekbench 6
404
3,102
Geekbench 6
170
15,879
Cinebench R23
—
2,030
Cinebench R23
—
25,611
Cinebench 2024
—
132
Cinebench 2024
—
1,590
▲ Specs Compare
Data sourced from official specifications and benchmark tests.