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AMD Ryzen 9 5900HS vs AMD Ryzen 9 5900HX: Comparison
Ryzen 9 5900HS vs Ryzen 9 5900HX: the p-core base clock difference
P-core base clock is the dividing line, Ryzen 9 5900HS 3 GHz against Ryzen 9 5900HX 3.3 GHz. Microarchitecture is not the same on both, Zen 3 "Cezanne", Ryzen 5000 Series on the Ryzen 9 5900HS versus Zen 3, Ryzen 5000 Series "Cezanne" on the Ryzen 9 5900HX. Base power is not the same on both, 35 W on the Ryzen 9 5900HS versus 45 W on the Ryzen 9 5900HX.
Who each one is for
Take the Ryzen 9 5900HS for thin-and-light gaming laptops wanting near-flagship AMD performance at a typically more accessible price than the 5980HS. It is the wrong buy for buyers specifically chasing the absolute highest available clock speed, the flagship Ryzen 9 5980HS, covered elsewhere on this site, edges ahead there. Take the Ryzen 9 5900HX for desktop-replacement gaming laptops wanting genuinely top-tier AMD mobile Zen 3 performance. Avoid it for buyers wanting the absolute highest clocks in AMD's HX lineup, the 5980HX offers a modest additional edge at the same core count.
Where the two are identical
Everything else lines up. Total cores, performance cores, efficiency cores, total threads and p-core boost clock read the same on both, so those are not worth weighing. They match on 20 further specifications as well.
Frequently asked questions
Is the L3 Cache the same on the Ryzen 9 5900HS and Ryzen 9 5900HX?
It is. Both are listed at 16 MB, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- AMD Ryzen 9 5900HS
- AMD
- AMD Ryzen 9 5900HX
- AMD
Product Line
- AMD Ryzen 9 5900HS
- Ryzen 9
- AMD Ryzen 9 5900HX
- Ryzen 9
Form Factor
- AMD Ryzen 9 5900HS
- Laptop
- AMD Ryzen 9 5900HX
- Laptop
Model Number
- AMD Ryzen 9 5900HS
- 5900HS
- AMD Ryzen 9 5900HX
- 5900HX
Codename
- AMD Ryzen 9 5900HS
- Cezanne
- AMD Ryzen 9 5900HX
- Cezanne
Release Year
- AMD Ryzen 9 5900HS
- 2021
- AMD Ryzen 9 5900HX
- 2021
iGPU
- AMD Ryzen 9 5900HS
- AMD Radeon Graphics
- AMD Ryzen 9 5900HX
- AMD Radeon Graphics
Market Segment
- AMD Ryzen 9 5900HS
- Laptop
- AMD Ryzen 9 5900HX
- Laptop
Microarchitecture
- AMD Ryzen 9 5900HS
- Zen 3 "Cezanne", Ryzen 5000 Series
- AMD Ryzen 9 5900HX
- Zen 3, Ryzen 5000 Series "Cezanne"
Socket
- AMD Ryzen 9 5900HS
- FP6
- AMD Ryzen 9 5900HX
- FP6
Socket Status
- AMD Ryzen 9 5900HS
- End of Life
- AMD Ryzen 9 5900HX
- End of Life
Process Node
- AMD Ryzen 9 5900HS
- 7 nm
- AMD Ryzen 9 5900HX
- 7 nm
Total Cores
- AMD Ryzen 9 5900HS
- 8
- AMD Ryzen 9 5900HX
- 8
Performance Cores
- AMD Ryzen 9 5900HS
- 8
- AMD Ryzen 9 5900HX
- 8
Efficiency Cores
- AMD Ryzen 9 5900HS
- 0
- AMD Ryzen 9 5900HX
- 0
Total Threads
- AMD Ryzen 9 5900HS
- 16
- AMD Ryzen 9 5900HX
- 16
SMT Enabled
- AMD Ryzen 9 5900HS
- Yes
- AMD Ryzen 9 5900HX
- Yes
P-Core Base Clock
- AMD Ryzen 9 5900HS
- 3 GHz
- AMD Ryzen 9 5900HX
- 3.3 GHz
P-Core Boost Clock
- AMD Ryzen 9 5900HS
- 4.6 GHz
- AMD Ryzen 9 5900HX
- 4.6 GHz
L2 Cache
- AMD Ryzen 9 5900HS
- 4 MB
- AMD Ryzen 9 5900HX
- 4 MB
L3 Cache
- AMD Ryzen 9 5900HS
- 16 MB
- AMD Ryzen 9 5900HX
- 16 MB
Base Power
- AMD Ryzen 9 5900HS
- 35 W
- AMD Ryzen 9 5900HX
- 45 W
Memory Type
- AMD Ryzen 9 5900HS
- DDR4, LPDDR4
- AMD Ryzen 9 5900HX
- DDR4, LPDDR4
Max Memory Speed
- AMD Ryzen 9 5900HS
- 4266 MT/s
- AMD Ryzen 9 5900HX
- 4266 MT/s
Memory Channels
- AMD Ryzen 9 5900HS
- 2
- AMD Ryzen 9 5900HX
- 2
ECC Support
- AMD Ryzen 9 5900HS
- No
- AMD Ryzen 9 5900HX
- No
Integrated Graphics
- AMD Ryzen 9 5900HS
- Yes
- AMD Ryzen 9 5900HX
- Yes
iGPU Model
- AMD Ryzen 9 5900HS
- AMD Radeon Vega 8 Graphics
- AMD Ryzen 9 5900HX
- AMD Radeon Vega 8 Graphics
iGPU Compute Units
- AMD Ryzen 9 5900HS
- 8
- AMD Ryzen 9 5900HX
- 8
Copilot Plus Certified
- AMD Ryzen 9 5900HS
- No
- AMD Ryzen 9 5900HX
- No
PCIe Generation
- AMD Ryzen 9 5900HS
- PCIe 3.0
- AMD Ryzen 9 5900HX
- PCIe 3.0
Retail Availability
- AMD Ryzen 9 5900HS
- Soldered Only
- AMD Ryzen 9 5900HX
- Soldered Only
Which one should you pick?
Choose 5900HS if you want the higher L2 cache (4 MB vs 4 MB), the higher L3 cache (16 MB vs 16 MB) and the higher memory channels (2 vs 2).
Choose 5900HX if you already have it on hand or find it at a lower price.