Home Comparison AMD Ryzen 3 5400U vs AMD Ryzen 7 PRO 7840U

AMD Ryzen 3 5400U vs AMD Ryzen 7 PRO 7840U

AMD Ryzen 3 5400U
VS
AMD Ryzen 7 PRO 7840U
AMD Ryzen 3 5400U
AMD Ryzen 7 PRO 7840U
We compared two laptop CPUs: AMD Ryzen 3 5400U with 4 cores 2.6GHz and AMD Ryzen 7 PRO 7840U with 8 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 3 5400U 's Advantages
Lower TDP (25W vs 30W)
AMD Ryzen 7 PRO 7840U 's Advantages
Released 2 years and 5 months late
Higher specification of memory (7500 vs 4266)
Larger memory bandwidth (89.6GB/s vs 51.2GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.3GHz vs 2.6GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (4nm vs 7nm)

Score

Benchmark

Geekbench 6 Single Core
AMD Ryzen 3 5400U
1639
AMD Ryzen 7 PRO 7840U +46%
2394
Geekbench 6 Multi Core
AMD Ryzen 3 5400U
4483
AMD Ryzen 7 PRO 7840U +145%
11027
Blender
AMD Ryzen 3 5400U
62
AMD Ryzen 7 PRO 7840U +237%
209
AMD Ryzen 3 5400U
VS
AMD Ryzen 7 PRO 7840U

General Parameters

Jan 2021
Release Date
Jun 2023
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Cezanne
Core Architecture
Zen 4 (Phoenix)
FP6
Socket
FP8
Radeon RX Vega 6
Integrated Graphics
Radeon 780M

Package

-
Transistor Count
25 billions
7 nm
Manufacturing Process
4 nm
10-25 W
Power Consumption
15-30 W
105 °C
Peak Operating Temperature
100 °C

CPU Performance

4
Performance Cores
8
8
Performance Core Threads
16
2.6 GHz
Performance Core Base Frequency
3.3 GHz
4 GHz
Performance Core Turbo Frequency
5.1 GHz
4
Total Core Count
8
8
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
26x
Multiplier
33
64 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
8 MB
8 MB shared
L3 Cache
16 MB
No
Unlocked Multiplier
No

Memory Parameters

DDR4-3200, LPDDR4-4266
Memory Types
DDR5-5600, LPDDR5x-7500
32 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
51.2 GB/s
Max Memory Bandwidth
89.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
800 MHz
1600 MHz
GPU Max Dynamic Frequency
2700 MHz
384
Shader Units
768
24
Texture Units
48
8
Raster Operation Units
32
-
Execution Units
12
15 W
Power Consumption
15 W
-
Max Resolution
7680x4320 - 60 Hz
-
Graphics Performance
4.15 TFLOPS

AI Accelerator

-
NPU
AMD Ryzen™ AI
-
Theoretical performance
10 TOPS

Miscellaneous

AMD Ryzen 3 5400U
Official Website
AMD Ryzen 7 PRO 7840U
3.0
PCIe Version
4.0
12
PCIe Lanes
20

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