AMD Ryzen 7 7840H vs Intel Core Ultra 7 255U
CPU Specs Compare
General Parameters
Release Date
Jan 2023
Jan 2025
Manufacturer
AMD
Intel
Type
Laptop
Laptop
Core Architecture
Phoenix
Arrow Lake
Integrated Graphics
Radeon 780M
Arc Graphics (4-Cores)
Generation
Ryzen 7 (Zen 4 (Phoenix))
-
Instruction Set
-
x86-64
Processor Number
-
255U
Package
Transistor Count
25 billions
-
Manufacturing Process
4 nm
3 nm
Socket
AMD Socket FP8
FCBGA-2049
Power Consumption
35 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 Core Base Frequency
3.8 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
38.0
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
-
Performance Cores
-
2
Performance Core Threads
-
4
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
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
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
2700 MHz
2100 MHz
Execution Units
12
-
📊 Benchmark
Geekbench 6
2,625
2,582
Geekbench 6
11,813
10,941
Cinebench R23
-
1,803
Cinebench R23
-
11,888
Cinebench 2024
-
101
Cinebench 2024
-
588