CPU Comparison: AMD Ryzen 7 7840S vs AMD Ryzen 5 2500U

Key Findings

  • The AMD Ryzen 7 7840S leads in single-threaded performance by up to 102.7%
  • In multi-threaded workloads, the AMD Ryzen 7 7840S shows superior performance with a 271.6% 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 5 2500U

Laptop
Release Date
Q4 2017
Market Position
1597th fastest in multithreading
4890 CPUs1748th fastest in single threading
4890 CPUs379th fastest in
1434 Laptop CPUs

Performance

Single-Thread Performance

7840S
3,685
2500U
1,818

Multi-Thread Performance

7840S
24,309
2500U
6,542

Specifications: AMD Ryzen 7 7840S vs AMD Ryzen 5 2500U

💻CPU Model
AMD Ryzen 7 7840S
7840S
AMD Ryzen 5 2500U
2500U
🔄Other Names
AMD Ryzen 7 7840S with Radeon 780M Graphics
7840S
AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx
2500U
⚡Base Clock
3.8 GHz
7840S
2.0 GHz
2500U
🚀Turbo Clock
5.1 GHz
7840S
3.6 GHz
2500U
💻Cores/Threads
8 Threads: 16
7840S
4 Threads: 8
2500U
🔌Socket
FP7 FP7r2 FP8
7840S
FP5
2500U
⚡TDP
54 W
7840S
15 W
2500U
💾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 64 KBL1 Data Cache: 4 x 32 KBL2 Cache: 4 x 512 KBL3 Cache: 4 MB
2500U

The AMD Ryzen 7 7840S and AMD Ryzen 5 2500U 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 5 2500U 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.