CPU Comparison: AMD Ryzen 7 7840S vs AMD Ryzen 5 PRO 7540U
Key Findings
- All CPUs perform similarly in single-threaded tasks
- In multi-threaded workloads, the AMD Ryzen 7 7840S shows superior performance with a 33.2% advantage
- The AMD Ryzen 7 7840S has the highest core count with 8 cores
Performance Rankings & Market Position
AMD Ryzen 7 7840S
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 PRO 7540U
Release Date
Q3 2023
Market Position
751st fastest in multithreading
4890 CPUs257th fastest in single threading
4890 CPUs161st fastest in
1434 Laptop CPUs
Performance
Single-Thread Performance
7840S
3,685
7540U
3,556
Multi-Thread Performance
7840S
24,309
7540U
18,254
Specifications: AMD Ryzen 7 7840S vs AMD Ryzen 5 PRO 7540U
💻CPU Model
AMD Ryzen 7 7840S
7840S
AMD Ryzen 5 PRO 7540U
7540U
🔄Other Names
AMD Ryzen 7 7840S with Radeon 780M Graphics
7840S
AMD Ryzen 5 PRO 7540U w/ Radeon 740M Graphics
7540U
âš¡Base Clock
3.8 GHz
7840S
3.2 GHz
7540U
🚀Turbo Clock
5.1 GHz
7840S
4.9 GHz
7540U
💻Cores/Threads
8 Threads: 16
7840S
6 Threads: 12
7540U
🔌Socket
FP7 FP7r2 FP8
7840S
FP7 FP7r2
7540U
âš¡TDP
54 W
7840S
30 W
7540U
💾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: 6 x 32 KBL1 Data Cache: 6 x 32 KBL2 Cache: 6 x 1024 KBL3 Cache: 16 MB
7540U
The AMD Ryzen 7 7840S and AMD Ryzen 5 PRO 7540U 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 PRO 7540U 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 30W). This may impact system thermal design and power supply requirements.
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