CPU Comparison: AMD Ryzen 9 7945HX3D vs AMD Ryzen 9 7940H

Key Findings

  • All CPUs perform similarly in single-threaded tasks
  • In multi-threaded workloads, the AMD Ryzen 9 7945HX3D shows superior performance with a 7.7% advantage

Performance Rankings & Market Position

AMD Ryzen 9 7945HX3D

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 7940H

Desktop, Laptop
Release Date
Q1 2024
Market Position
124th fastest in multithreading
4890 CPUs102nd fastest in single threading
4890 CPUs30th fastest in
1398 Desktop CPUs3rd fastest in
1434 Laptop CPUs

Performance

Single-Thread Performance

7945HX3D
4,110
7940H
3,974

Multi-Thread Performance

7945HX3D
57,908
7940H
53,782

Specifications: AMD Ryzen 9 7945HX3D vs AMD Ryzen 9 7940H

💻CPU Model
AMD Ryzen 9 7945HX3D
7945HX3D
AMD Ryzen 9 7940H
7940H
🔄Other Names
AMD Ryzen 9 7945HX3D with Radeon Graphics
7945HX3D
AMD Ryzen 9 7940HX with Radeon Graphics
7940H
⚡Base Clock
2.3 GHz
7945HX3D
2.4 GHz
7940H
🚀Turbo Clock
5.4 GHz
7945HX3D
5.2 GHz
7940H
💻Cores/Threads
16 Threads: 32
7945HX3D
16 Threads: 32
7940H
🔌Socket
FL1
7945HX3D
AM5 (LGA 1718)
7940H
⚡TDP
55 W
7945HX3D
55 W
7940H
💾Cache
L1 Instruction Cache: 16 x 32 KBL1 Data Cache: 16 x 32 KBL2 Cache: 16 x 1024 KBL3 Cache: 32 MB
7945HX3D
L1 Instruction Cache: 16 x 32 KBL1 Data Cache: 16 x 32 KBL2 Cache: 16 x 1024 KBL3 Cache: 64 MB
7940H

The AMD Ryzen 9 7945HX3D and AMD Ryzen 9 7940H target different market segments. The AMD Ryzen 9 7945HX3D shows superior single-thread performance, making it better for tasks like gaming and light workloads.

For multi-threaded applications, the AMD Ryzen 9 7940H takes the lead, despite having the same core count.

Power consumption differs significantly, with the AMD Ryzen 9 7940H drawing more power under load (55W vs 55W). This may impact system thermal design and power supply requirements.