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AMD Processor
AMD

AMD Ryzen™ 9 9955HX

AMD Ryzen™ 9 9955HX, up to 5.40 GHz, 16 cores, 64.00 MB cache, 55.00 W TDP

AMD cpu Official Site
Cores Cores
16 Cores
16 Cores
Multitasking and productivity baseline
Max Boost Clock Boost Clock
5.4 GHz
5.40 GHz
Single-core burst performance reference
L3 Cache L3 / Cache
64 MB
64.00 MB
Cache size and access efficiency reference
TDP Power
55 W
55.00 W
Cooling and power planning reference
Specifications

Specifications

Key Specs

38 items
# of CPU Cores 16 Cores
# of Threads 32
AMD Configurable TDP (cTDP) 55.00 W
AMD EXPO™ Memory Overclocking Technology Yes
AMD FreeSync™ Yes
Base Clock 2.50 GHz
CPU Socket FL1
DisplayPort™ Version 2.0
Family Ryzen
Form Factor Laptops,Desktops
Former Codename Fire Range
Gpu Cores 2
Gpu Frequency 2200.00 MHz
Gpu Name AMD Radeon™ 610M
HDMI® Version 2.1
Instruction Set x86-64
L1 Cache 1280.00 KB
Max Displays 4
Max Memory Speed 2x1R DDR5-5600 2x2R DDR5-5600
Max. Boost Clock 5.40 GHz
Max. Memory 96.00 GB
Max. Operating Temperature (Tjmax) 100.00 °C
Memory Channels 2
Multithreading (SMT) Yes
Name AMD Ryzen™ 9 9955HX
PCI Express® Version PCIe® 5.0
PCIe® Lanes 28 , 28
Processor Architecture Zen 5
Processor Technology for CPU Cores TSMC 4nm FinFET
Processor Technology for I/O Die TSMC 6nm FinFET
Series Ryzen 9000 Series
Supported Extensions AES,AMD-V,AVX512,AVX2,AVX,FMA3,MMX-plus,SHA,SSE2,SSE4.2,SSE4A,SSE4.1,SSE3,SSSE3,SSE
System Memory Subtype SO-DIMM
System Memory Type DDR5
TDP 55.00 W
Total L2 Cache 16.00 MB
Total L3 Cache 64.00 MB
Unlocked for Overclocking Yes
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FAQ

FAQ

How much can Ryzen 9 9955HX's performance change between power modes, and when should performance mode be used? How long can a laptop with Ryzen 9 9955HX last for office work and gaming away from the charger? How many cores and threads does Ryzen 9 9955HX have, and is it suitable for gaming and video editing in a laptop? Is a laptop with Ryzen 9 9955HX good enough for gaming, and does the CPU or GPU matter more? Dropping the 3D cache but keeping 96GB of memory — is the 9955HX the pragmatic pick for AI throughput work?