CPU
AMD Ryzen 7 7840U
About
The AMD Ryzen 7 7840U is a laptop-class CPU manufactured by AMD, built on AMD's officially announced 4 nm process technology, released in May 2023. This processor features a 8-core 16-thread architecture design, with a base clock of 800 MHz and a maximum boost clock reaching up to 5.1 GHz, equipped with 16 MB of L3 cache, utilizing the FP8 socket. Overall specifications are targeted at laptop application scenarios.
Specifications
General Parameters
Release Date
May 2023
Manufacturer
Amd
Type
Laptop
Instruction Set
x86-64
Core Architecture
Zen 4 (Phoenix)
Integrated Graphics
Radeon 780M
Package
Transistor Count
25 billions
Manufacturing Process
4 nm
Socket
FP8
Power Consumption
15-30 W
Peak Operating Temperature
100 °C
CPU Performance
Performance Cores
8
Performance Core Threads
16
Performance Core Base Frequency
3.3 GHz
Performance Core Turbo Frequency
5.1 GHz
Total Core Count
8
Total Thread Count
16
Bus Frequency
100 MHz
Multiplier
33
L1 Cache
64 K per core
L2 Cache
8 MB
L3 Cache
16 MB
Unlocked Multiplier
No
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
Max Memory Size
256 GB
Max Memory Channels
2
Max Memory Bandwidth
89.6 GB/s
ECC Memory Support
No
Graphics Card Parameters
Integrated Graphics
true
GPU Base Frequency
800 MHz
GPU Max Dynamic Frequency
2700 MHz
Shader Units
768
Texture Units
48
Raster Operation Units
32
Execution Units
12
Power Consumption
15 W
Max Resolution
7680x4320 - 60 Hz
AI Accelerator
NPU
AMD Ryzen™ AI
Theoretical performance
10 TOPS
Benchmarks
Performance Ranking
Cinebench R23 Single Core
Cinebench R23 Multi Core
Geekbench 6 Single Core
Geekbench 6 Multi Core
Related Comparisons
AMD Ryzen 7 7840U vs Apple M5 Pro (18-Core)
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AMD Ryzen 7 7840U vs Intel Core i9 11950H
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AMD Ryzen 7 7840U vs AMD Ryzen 9 Pro 9945