AMD Ryzen 7 8840U vs Intel Core Ultra 7 255U
CPU · Specs Compare
General Parameters
Release Date
Dec 2023
Jan 2025
Manufacturer
AMD
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Hawk Point)
Arrow Lake
Integrated Graphics
Radeon 780M
Arc Graphics (4-Cores)
Generation
Ryzen 7 (Zen 4 (Hawk Point))
—
Processor Number
—
255U
Package
Transistor Count
25 billions
—
Manufacturing Process
4 nm
3 nm
Socket
FP8
FCBGA-2049
Power Consumption
15-30 W
12-15 W
Peak Operating Temperature
100°C
110 °C
Foundry
TSMC
—
Die Size
178 mm²
—
Package
FP8, FP7, FP7r2
—
Max Turbo Power Consumption
—
57 W
CPU Performance
Performance Cores
8
2
Performance Core Threads
16
4
Performance Core Base Frequency
3.3 GHz
2.0 GHz
Performance Core Turbo Frequency
5.1 GHz
5.2 GHz
Total Core Count
8
12
Total Thread Count
16
14
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
20
L1 Cache
64 K per core
112 K per core
L2 Cache
1 MB per core
2 MB per core
L3 Cache
16 MB shared
12 MB shared
Unlocked Multiplier
No
No
SMP
1
—
Efficiency Cores
—
10
Efficiency Core Threads
—
10
Efficiency Core Base Frequency
—
1.7 GHz
Efficiency Core Turbo Frequency
—
4.2 GHz
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
—
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
1500 MHz
—
GPU Max Dynamic Frequency
2700 MHz
2100 MHz
Shader Units
768
—
Texture Units
48
—
Raster Operation Units
32
—
Execution Units
12
—
Power Consumption
15 W
—
Max Resolution
7680x4320 - 60 Hz
—
Miscellaneous
PCIe Version
4.0
4.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
1,780
1,803
Cinebench R23
12,815
11,888
Geekbench 6
2,468
2,582
Geekbench 6
11,498
10,941
Blender
171
—
Cinebench 2024
—
101
Cinebench 2024
—
588
▲ Specs Compare
Data sourced from official specifications and benchmark tests.