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AMD Ryzen 9 9955HX
Published: March 24, 2025Updated: September 22, 2025
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Highlights
- Cores: 16
- Threads: 32
- TDP: 55W
- Frequency: 2.5 GHz
- Boost: 5.4 GHz
- Range Codename: Fire Range
- Socket: FL1 Socket
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AMD Ryzen 9 9955HX Specifications
- Cache L180 KB (per core)
- Cache L21 MB (per core)
- Cache L364 MB (shared)
- T JMax100°C
- SocketAMD Socket FL1
- FoundryTSMC
- PackageµFC-BGAFL1
- Die Size2x 70.6 mm²
- Transistors16,630 million
- I/O Die Size122 mm²
- Process Size4 nm
- I/O Transistors3,400 million
- I/O Process Size6 nm
- Part#100-000001028
- MarketMobile
- Release DateJan 6th, 2025
- Bundled CoolerNone
- Production StatusActive
- # Of Cores16
- SMP # CPUs1
- # Of Threads32
- Integrated GraphicsRadeon 610M
- PPT74-101 W
- TDP55 W
- Frequency2.5 GHz
- Base Clock100 MHz
- Multiplier25.0x
- Turbo Clockup to 5.4 GHz
- Configurable TDP75 W
- Multiplier UnlockedYes
- CodenameFire Range
- ECC MemoryYes
- GenerationRyzen 9(Zen 5 (Fire Range))
- Memory BusDual-channel
- PCI ExpressGen 5, 28 Lanes(CPU only)
- Rated Speed5600 MT/s
- Memory SupportDDR5
| Specification | Value |
|---|---|
| Cache L1 | 80 KB (per core) |
| Cache L2 | 1 MB (per core) |
| Cache L3 | 64 MB (shared) |
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