CPU Comparison: AMD Ryzen 7 7840S vs AMD Ryzen 3 5425U

Key Findings

  • The AMD Ryzen 7 7840S leads in single-threaded performance by up to 26.2%
  • In multi-threaded workloads, the AMD Ryzen 7 7840S shows superior performance with a 114.8% advantage
  • The AMD Ryzen 7 7840S has the highest core count with 8 cores

Performance Rankings & Market Position

AMD Ryzen 7 7840S

Laptop
Release Date
Q3 2023
Market Position
494th fastest in multithreading
4890 CPUs219th fastest in single threading
4890 CPUs72nd fastest in
1434 Laptop CPUs

AMD Ryzen 3 5425U

Laptop
Release Date
Q1 2022
Market Position
1111th fastest in multithreading
4890 CPUs553rd fastest in single threading
4890 CPUs258th fastest in
1434 Laptop CPUs

Performance

Single-Thread Performance

7840S
3,685
5425U
2,921

Multi-Thread Performance

7840S
24,309
5425U
11,317

Specifications: AMD Ryzen 7 7840S vs AMD Ryzen 3 5425U

💻CPU Model
AMD Ryzen 7 7840S
7840S
AMD Ryzen 3 5425U
5425U
🔄Other Names
AMD Ryzen 7 7840S with Radeon 780M Graphics
7840S
AMD Ryzen 3 5425U with Radeon Graphics
5425U
⚡Base Clock
3.8 GHz
7840S
2.7 GHz
5425U
🚀Turbo Clock
5.1 GHz
7840S
4.1 GHz
5425U
💻Cores/Threads
8 Threads: 16
7840S
4 Threads: 8
5425U
🔌Socket
FP7 FP7r2 FP8
7840S
FP6
5425U
⚡TDP
54 W
7840S
15 W
5425U
💾Cache
L1 Instruction Cache: 8 x 32 KBL1 Data Cache: 8 x 32 KBL2 Cache: 8 x 1024 KBL3 Cache: 16 MB
7840S
L1 Instruction Cache: 4 x 32 KBL1 Data Cache: 4 x 32 KBL2 Cache: 4 x 512 KBL3 Cache: 8 MB
5425U

The AMD Ryzen 7 7840S and AMD Ryzen 3 5425U compete in the Laptop segment. The AMD Ryzen 7 7840S shows superior single-thread performance, making it better for tasks like gaming and light workloads.

For multi-threaded applications, the AMD Ryzen 3 5425U takes the lead, despite having the same core count.

Power consumption differs significantly, with the AMD Ryzen 7 7840S drawing more power under load (54W vs 15W). This may impact system thermal design and power supply requirements.