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AMD Ryzen 9 4900HS vs AMD Ryzen 9 5900HX: Comparison
Ryzen 9 4900HS vs Ryzen 9 5900HX l3 cache compared
Start with l3 cache, because it is the widest measured gap between them: Ryzen 9 4900HS 8 MB against Ryzen 9 5900HX 16 MB, 50% in favour of Ryzen 9 5900HX. There is a split on microarchitecture as well, Zen 2, Ryzen 4000 Series "Renoir" on the Ryzen 9 4900HS versus Zen 3, Ryzen 5000 Series "Cezanne" on the Ryzen 9 5900HX. They differ on base power too, 35 W on the Ryzen 9 4900HS versus 45 W on the Ryzen 9 5900HX. Memory type is not the same on both, DDR4-3200, LPDDR4-4266 on the Ryzen 9 4900HS versus DDR4, LPDDR4 on the Ryzen 9 5900HX.
Ryzen 9 4900HS vs Ryzen 9 5900HX: which one fits your build
Take the Ryzen 9 4900HS for thin-and-light gaming laptops of the Ryzen 4000 generation wanting genuine 8-core, 16-thread performance without a bulky chassis. Avoid it for buyers wanting the newer Zen 3 architecture, the later Ryzen 9 5980HS delivers meaningfully better single-thread performance at a similar TDP. Take the Ryzen 9 5900HX for desktop-replacement gaming laptops wanting genuinely top-tier AMD mobile Zen 3 performance. It is the wrong buy for buyers wanting the absolute highest clocks in AMD's HX lineup, the 5980HX offers a modest additional edge at the same core count.
What Ryzen 9 4900HS and Ryzen 9 5900HX have in common
Everything else lines up. Total cores, performance cores, efficiency cores, total threads and integrated graphics read the same on both, so those are not worth weighing. They match on 6 further specifications as well.
Frequently asked questions
Do the Ryzen 9 4900HS and Ryzen 9 5900HX differ on p-core boost clock?
Yes. P-Core Boost Clock reads 4.3 GHz on the Ryzen 9 4900HS versus 4.6 GHz on the Ryzen 9 5900HX.
Is the Socket the same on the Ryzen 9 4900HS and Ryzen 9 5900HX?
It is. Both are listed at FP6, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- AMD Ryzen 9 4900HS
- AMD
- AMD Ryzen 9 5900HX
- AMD
Product Line
- AMD Ryzen 9 4900HS
- Ryzen 9
- AMD Ryzen 9 5900HX
- Ryzen 9
Form Factor
- AMD Ryzen 9 4900HS
- Laptop
- AMD Ryzen 9 5900HX
- Laptop
Model Number
- AMD Ryzen 9 4900HS
- 4900HS
- AMD Ryzen 9 5900HX
- 5900HX
Codename
- AMD Ryzen 9 4900HS
- Renoir
- AMD Ryzen 9 5900HX
- Cezanne
Release Year
- AMD Ryzen 9 4900HS
- 2020
- AMD Ryzen 9 5900HX
- 2021
iGPU
- AMD Ryzen 9 4900HS
- AMD Radeon Vega 8 Graphics
- AMD Ryzen 9 5900HX
- AMD Radeon Graphics
Market Segment
- AMD Ryzen 9 4900HS
- Laptop
- AMD Ryzen 9 5900HX
- Laptop
Microarchitecture
- AMD Ryzen 9 4900HS
- Zen 2, Ryzen 4000 Series "Renoir"
- AMD Ryzen 9 5900HX
- Zen 3, Ryzen 5000 Series "Cezanne"
Socket
- AMD Ryzen 9 4900HS
- FP6
- AMD Ryzen 9 5900HX
- FP6
Process Node
- AMD Ryzen 9 4900HS
- 7 nm
- AMD Ryzen 9 5900HX
- 7 nm
Total Cores
- AMD Ryzen 9 4900HS
- 8
- AMD Ryzen 9 5900HX
- 8
Performance Cores
- AMD Ryzen 9 4900HS
- 8
- AMD Ryzen 9 5900HX
- 8
Efficiency Cores
- AMD Ryzen 9 4900HS
- 0
- AMD Ryzen 9 5900HX
- 0
Total Threads
- AMD Ryzen 9 4900HS
- 16
- AMD Ryzen 9 5900HX
- 16
SMT Enabled
- AMD Ryzen 9 4900HS
- Yes
- AMD Ryzen 9 5900HX
- Yes
P-Core Base Clock
- AMD Ryzen 9 4900HS
- 3.0 GHz
- AMD Ryzen 9 5900HX
- 3.3 GHz
P-Core Boost Clock
- AMD Ryzen 9 4900HS
- 4.3 GHz
- AMD Ryzen 9 5900HX
- 4.6 GHz
L2 Cache
- AMD Ryzen 9 4900HS
- 4 MB
- AMD Ryzen 9 5900HX
- 4 MB
L3 Cache
- AMD Ryzen 9 4900HS
- 8 MB-50%
- AMD Ryzen 9 5900HX
- 16 MBBest
Base Power
- AMD Ryzen 9 4900HS
- 35 W
- AMD Ryzen 9 5900HX
- 45 W
Memory Type
- AMD Ryzen 9 4900HS
- DDR4-3200, LPDDR4-4266
- AMD Ryzen 9 5900HX
- DDR4, LPDDR4
Integrated Graphics
- AMD Ryzen 9 4900HS
- Yes
- AMD Ryzen 9 5900HX
- Yes
Which one should you pick?
Choose 4900HS if you want the higher L2 cache (4 MB vs 4 MB).
Choose 5900HX if you want the higher L3 cache (16 MB vs 8 MB).