CPU Comparison: AMD Ryzen 7 7840S vs Intel Core i5-1240U

Key Findings

  • The AMD Ryzen 7 7840S leads in single-threaded performance by up to 19.2%
  • In multi-threaded workloads, the AMD Ryzen 7 7840S shows superior performance with a 92.1% 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

Intel Core i5-1240U

Laptop
Release Date
Q4 2022
Market Position
1035th fastest in multithreading
4890 CPUs479th fastest in single threading
4890 CPUs235th fastest in
1434 Laptop CPUs

Performance

Single-Thread Performance

7840S
3,685
i5-1240U
3,092

Multi-Thread Performance

7840S
24,309
i5-1240U
12,652

Specifications: AMD Ryzen 7 7840S vs Intel Core i5-1240U

💻CPU Model
AMD Ryzen 7 7840S
7840S
Intel Core i5-1240U
i5-1240U
🔄Other Names
AMD Ryzen 7 7840S with Radeon 780M Graphics
7840S
12th Gen Intel(R) Core(TM) i5-1240U
i5-1240U
⚡Base Clock
3.8 GHz
7840S
N/A
i5-1240U
🚀Turbo Clock
5.1 GHz
7840S
N/A
i5-1240U
💻Cores/Threads
8 Threads: 16
7840S
N/A
i5-1240U
🔌Socket
FP7 FP7r2 FP8
7840S
FCBGA1744
i5-1240U
⚡TDP
54 W
7840S
29 W
i5-1240U
💾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 64 KBL2 Cache: 1 x 2048 KBL3 Cache: 12 MB
i5-1240U

The AMD Ryzen 7 7840S and Intel Core i5-1240U 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 Intel Core i5-1240U 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 29W). This may impact system thermal design and power supply requirements.