CPU Comparison: AMD Ryzen 9 7945HX vs AMD Ryzen 9 7845HX

Key Findings

  • All CPUs perform similarly in single-threaded tasks
  • In multi-threaded workloads, the AMD Ryzen 9 7945HX shows superior performance with a 26.7% advantage
  • The AMD Ryzen 9 7945HX has the highest core count with 16 cores

Performance Rankings & Market Position

AMD Ryzen 9 7945HX

Laptop
Release Date
Q4 2023
Market Position
106th fastest in multithreading
4890 CPUs73rd fastest in single threading
4890 CPUs1st fastest in
1434 Laptop CPUs

AMD Ryzen 9 7845HX

Laptop
Release Date
Q1 2023
Market Position
169th fastest in multithreading
4890 CPUs106th fastest in single threading
4890 CPUs6th fastest in
1434 Laptop CPUs

Performance

Single-Thread Performance

7945HX
4,110
7845HX
3,965

Multi-Thread Performance

7945HX
57,908
7845HX
45,712

Specifications: AMD Ryzen 9 7945HX vs AMD Ryzen 9 7845HX

💻CPU Model
AMD Ryzen 9 7945HX
7945HX
AMD Ryzen 9 7845HX
7845HX
🔄Other Names
AMD Ryzen 9 7945HX3D with Radeon Graphics
7945HX
AMD Ryzen 9 7845HX with Radeon Graphics
7845HX
⚡Base Clock
2.3 GHz
7945HX
3.0 GHz
7845HX
🚀Turbo Clock
5.4 GHz
7945HX
5.2 GHz
7845HX
💻Cores/Threads
16 Threads: 32
7945HX
12 Threads: 24
7845HX
🔌Socket
FL1
7945HX
FL1
7845HX
⚡TDP
55 W
7945HX
55 W
7845HX
💾Cache
L1 Instruction Cache: 16 x 32 KBL1 Data Cache: 16 x 32 KBL2 Cache: 16 x 1024 KBL3 Cache: 32 MB
7945HX
L1 Instruction Cache: 12 x 32 KBL1 Data Cache: 12 x 32 KBL2 Cache: 12 x 1024 KBL3 Cache: 64 MB
7845HX

The AMD Ryzen 9 7945HX and AMD Ryzen 9 7845HX compete in the Laptop segment. The AMD Ryzen 9 7945HX shows superior single-thread performance, making it better for tasks like gaming and light workloads.

For multi-threaded applications, the AMD Ryzen 9 7845HX takes the lead, despite having the same core count.

Power consumption differs significantly, with the AMD Ryzen 9 7845HX drawing more power under load (55W vs 55W). This may impact system thermal design and power supply requirements.