Home Comparison AMD Ryzen 7 8840U vs Intel Core Ultra 7 255HX

AMD Ryzen 7 8840U vs Intel Core Ultra 7 255HX

AMD Ryzen 7 8840U
VS
Intel Core Ultra 7 255HX
AMD Ryzen 7 8840U
Intel Core Ultra 7 255HX
We compared two laptop CPUs: AMD Ryzen 7 8840U with 8 cores 3.3GHz and Intel Core Ultra 7 255HX with 20 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 8840U 's Advantages
Higher specification of memory (7500 vs 6400)
Higher base frequency (3.3GHz vs 2.4GHz)
Lower TDP (30W vs 55W)
Intel Core Ultra 7 255HX 's Advantages
Released 1 years and 1 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)

Score

AMD Ryzen 7 8840U
VS
Intel Core Ultra 7 255HX

General Parameters

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

Package

25 billions
Transistor Count
-
4 nm
Manufacturing Process
3 nm
15-30 W
Power Consumption
17-55 W
100°C
Peak Operating Temperature
100 °C
TSMC
Foundry
Intel
178 mm²
Die Size
-

CPU Performance

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

Memory Parameters

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

Graphics Card Parameters

true
Integrated Graphics
true
1500 MHz
GPU Base Frequency
-
2700 MHz
GPU Max Dynamic Frequency
1900 MHz
768
Shader Units
-
48
Texture Units
-
32
Raster Operation Units
-
12
Execution Units
64
15 W
Power Consumption
-
7680x4320 - 60 Hz
Max Resolution
-
8.12 TFLOPS
Graphics Performance
-

Miscellaneous

AMD Ryzen 7 8840U
Official Website
4.0
PCIe Version
5
20
PCIe Lanes

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