CPU Comparison: AMD Ryzen 9 7945HX3D vs AMD Ryzen 7 7840H
Key Findings
- All CPUs perform similarly in single-threaded tasks
- In multi-threaded workloads, the AMD Ryzen 9 7945HX3D shows superior performance with a 41.8% advantage
- The AMD Ryzen 9 7945HX3D has the highest core count with 16 cores
Performance Rankings & Market Position
AMD Ryzen 9 7945HX3D
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 7 7840H
Release Date
Q4 2024
Market Position
207th fastest in multithreading
4890 CPUs123rd fastest in single threading
4890 CPUs58th fastest in
1398 Desktop CPUs11th fastest in
1434 Laptop CPUs
Performance
Single-Thread Performance
7945HX3D
4,110
7840H
3,925
Multi-Thread Performance
7945HX3D
57,908
7840H
40,826
Specifications: AMD Ryzen 9 7945HX3D vs AMD Ryzen 7 7840H
💻CPU Model
AMD Ryzen 9 7945HX3D
7945HX3D
AMD Ryzen 7 7840H
7840H
🔄Other Names
AMD Ryzen 9 7945HX3D with Radeon Graphics
7945HX3D
AMD Ryzen 7 7840HX with Radeon Graphics
7840H
âš¡Base Clock
2.3 GHz
7945HX3D
2.9 GHz
7840H
🚀Turbo Clock
5.4 GHz
7945HX3D
5.1 GHz
7840H
💻Cores/Threads
16 Threads: 32
7945HX3D
12 Threads: 24
7840H
🔌Socket
FL1
7945HX3D
FL1
7840H
âš¡TDP
55 W
7945HX3D
55 W
7840H
💾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: 12 x 32 KBL1 Data Cache: 12 x 32 KBL2 Cache: 12 x 1024 KBL3 Cache: 64 MB
7840H
The AMD Ryzen 9 7945HX3D and AMD Ryzen 7 7840H 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 7 7840H takes the lead, despite having the same core count.
Power consumption differs significantly, with the AMD Ryzen 7 7840H drawing more power under load (55W vs 55W). This may impact system thermal design and power supply requirements.