Home Comparison Intel Core Ultra 7 255HX vs AMD Ryzen 7 7840U

Intel Core Ultra 7 255HX vs AMD Ryzen 7 7840U

Intel Core Ultra 7 255HX
VS
AMD Ryzen 7 7840U
Intel Core Ultra 7 255HX
AMD Ryzen 7 7840U
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and AMD Ryzen 7 7840U with 8 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 7 255HX 's Advantages
Released 1 years and 8 months late
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Newer PCIe version (5 vs 4.0)
Larger L3 cache size (24MB vs 16MB)
More modern manufacturing process (3nm vs 4nm)
AMD Ryzen 7 7840U 's Advantages
Higher specification of memory (7500 vs 6400)
Higher base frequency (3.3GHz vs 2.4GHz)
Lower TDP (30W vs 55W)

Score

Intel Core Ultra 7 255HX
VS
AMD Ryzen 7 7840U

General Parameters

Jan 2025
Release Date
May 2023
Intel
Manufacturer
Amd
Laptop
Type
Laptop
-
Instruction Set
x86-64
Arrow Lake
Core Architecture
Zen 4 (Phoenix)
Intel Socket 1851
Socket
FP8
Arc Xe-LPG
Integrated Graphics
Radeon 780M
Ultra 7 (Arrow Lake)
Generation
-

Package

-
Transistor Count
25 billions
3 nm
Manufacturing Process
4 nm
17-55 W
Power Consumption
15-30 W
100 °C
Peak Operating Temperature
100 °C
Intel
Foundry
-

CPU Performance

8
Performance Cores
8
8
Performance Core Threads
16
2.4 GHz
Performance Core Base Frequency
3.3 GHz
5.2 GHz
Performance Core Turbo Frequency
5.1 GHz
12
Efficiency Cores
-
12
Efficiency Core Threads
-
1.8 GHz
Efficiency Core Base Frequency
-
4.5 GHz
Efficiency Core Turbo Frequency
-
20
Total Core Count
8
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
24
Multiplier
33
112 KB per core
L1 Cache
64 K per core
23 MB
L2 Cache
8 MB
24 MB shared
L3 Cache
16 MB
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-6400
Memory Types
DDR5-5600, LPDDR5x-7500
256 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
800 MHz
1900 MHz
GPU Max Dynamic Frequency
2700 MHz
-
Shader Units
768
-
Texture Units
48
-
Raster Operation Units
32
64
Execution Units
12
-
Power Consumption
15 W
-
Max Resolution
7680x4320 - 60 Hz
-
Graphics Performance
4.15 TFLOPS

AI Accelerator

-
NPU
AMD Ryzen™ AI
-
Theoretical performance
10 TOPS

Miscellaneous

Official Website
AMD Ryzen 7 7840U
5
PCIe Version
4.0
PCIe Lanes
20

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