AMD Ryzen 7 7840U vs AMD Ryzen 7 5825U
CPU Specs Compare
General Parameters
Release Date
May 2023
Jan 2022
Manufacturer
Amd
AMD
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Phoenix)
Barcelo
Integrated Graphics
Radeon 780M
Radeon RX Vega 8 (Ryzen 4000)
Package
Transistor Count
25 billions
-
Manufacturing Process
4 nm
7 nm
Socket
FP8
FP6
Power Consumption
15-30 W
10-25 W
Peak Operating Temperature
100 °C
95 °C
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
16
Performance Core Base Frequency
3.3 GHz
2.0 GHz
Performance Core Turbo Frequency
5.1 GHz
4.5 GHz
Total Core Count
8
8
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
33
20x
L1 Cache
64 K per core
64 K per core
L2 Cache
8 MB
512 K per core
L3 Cache
16 MB
16 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
DDR4-3200, LPDDR4x-4267
Max Memory Size
256 GB
32 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
51.2 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
-
GPU Max Dynamic Frequency
2700 MHz
2000 MHz
Shader Units
768
512
Texture Units
48
32
Raster Operation Units
32
8
Execution Units
12
-
Power Consumption
15 W
15 W
Max Resolution
7680x4320 - 60 Hz
-
AI Accelerator
NPU
AMD Ryzen™ AI
-
Theoretical performance
10 TOPS
-
📊 Benchmark
Cinebench R23
1,745
1,404
Cinebench R23
12,789
9,749
Geekbench 6
2,480
1,824
Geekbench 6
11,518
7,131
Blender
227
150
Geekbench 5
-
1,449
Geekbench 5
-
6,915
Passmark CPU
-
3,040
Passmark CPU
-
18,382