CPU Comparison: AMD Ryzen 7 7840U vs AMD Ryzen 7 7745HX

Key Findings

  • The AMD Ryzen 7 7745HX leads in single-threaded performance by up to 9.7%
  • In multi-threaded workloads, the AMD Ryzen 7 7745HX shows superior performance with a 31.1% advantage

Performance Rankings & Market Position

AMD Ryzen 7 7840U

Laptop
Release Date
Q2 2023
Market Position
467th fastest in multithreading
4890 CPUs246th fastest in single threading
4890 CPUs63rd fastest in
1434 Laptop CPUs

AMD Ryzen 7 7745HX

Laptop
Release Date
Q2 2023
Market Position
290th fastest in multithreading
4890 CPUs113th fastest in single threading
4890 CPUs22nd fastest in
1434 Laptop CPUs

Performance

Single-Thread Performance

7840U
3,602
7745HX
3,952

Multi-Thread Performance

7840U
24,990
7745HX
32,760

Specifications: AMD Ryzen 7 7840U vs AMD Ryzen 7 7745HX

💻CPU Model
AMD Ryzen 7 7840U
7840U
AMD Ryzen 7 7745HX
7745HX
🔄Other Names
AMD Ryzen 7 7840U w/ Radeon 780M Graphics, AMD Ryzen 7 7840U w/ Radeon 780M Graphics, AMD Ryzen 7 7840U w/ Radeon(TM) 780M Graphics, AMD Ryzen 7 7840U with Radeon 780M Graphics
7840U
AMD Ryzen 7 7745HX with Radeon Graphics
7745HX
⚡Base Clock
3.3 GHz
7840U
3.6 GHz
7745HX
🚀Turbo Clock
5.1 GHz
7840U
5.1 GHz
7745HX
💻Cores/Threads
8 Threads: 16
7840U
8 Threads: 16
7745HX
🔌Socket
N/A
7840U
AM5 (LGA 1718)
7745HX
⚡TDP
30 W
7840U
55 W
7745HX
💾Cache
L1 Instruction Cache: 8 x 32 KBL1 Data Cache: 8 x 32 KBL2 Cache: 8 x 1024 KBL3 Cache: 16 MB
7840U
L1 Instruction Cache: 8 x 32 KBL1 Data Cache: 8 x 32 KBL2 Cache: 8 x 1024 KBL3 Cache: 32 MB
7745HX

The AMD Ryzen 7 7840U and AMD Ryzen 7 7745HX compete in the Laptop segment. The AMD Ryzen 7 7745HX leads in single-thread performance, which is crucial for gaming and everyday tasks.

For multi-threaded applications, the AMD Ryzen 7 7745HX takes the lead, despite having the same core count.

Power consumption differs significantly, with the AMD Ryzen 7 7745HX drawing more power under load (55W vs 30W). This may impact system thermal design and power supply requirements.