CPU Comparison: AMD Ryzen 7 7840S vs AMD Ryzen 9 PRO 7940HS

Key Findings

  • All CPUs perform similarly in single-threaded tasks
  • In multi-threaded workloads, the AMD Ryzen 9 PRO 7940HS shows superior performance with a 15.8% advantage

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 9 PRO 7940HS

Laptop
Release Date
Q3 2023
Market Position
374th fastest in multithreading
4890 CPUs186th fastest in single threading
4890 CPUs44th fastest in
1434 Laptop CPUs

Performance

Single-Thread Performance

7840S
3,685
7940HS
3,759

Multi-Thread Performance

7840S
24,309
7940HS
28,144

Specifications: AMD Ryzen 7 7840S vs AMD Ryzen 9 PRO 7940HS

💻CPU Model
AMD Ryzen 7 7840S
7840S
AMD Ryzen 9 PRO 7940HS
7940HS
🔄Other Names
AMD Ryzen 7 7840S with Radeon 780M Graphics
7840S
AMD Ryzen 9 PRO 7940HS w/ Radeon 780M Graphics
7940HS
⚡Base Clock
3.8 GHz
7840S
4.0 GHz
7940HS
🚀Turbo Clock
5.1 GHz
7840S
5.2 GHz
7940HS
💻Cores/Threads
8 Threads: 16
7840S
8 Threads: 16
7940HS
🔌Socket
FP7 FP7r2 FP8
7840S
FP7 FP7r2
7940HS
⚡TDP
54 W
7840S
45 W
7940HS
💾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: 8 x 32 KBL1 Data Cache: 8 x 32 KBL2 Cache: 8 x 1024 KBL3 Cache: 16 MB
7940HS

The AMD Ryzen 7 7840S and AMD Ryzen 9 PRO 7940HS compete in the Laptop segment. The AMD Ryzen 9 PRO 7940HS leads in single-thread performance, which is crucial for gaming and everyday tasks.

For multi-threaded applications, the AMD Ryzen 9 PRO 7940HS 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 45W). This may impact system thermal design and power supply requirements.