Ryzen 9 9955HX3D vs Xeon Platinum 8380

AMD

Ryzen 9 9955HX3D

16 Cores32 Thrd55 WWMax: 5.4 GHz2025
Ryzen family
·
VS
Intel

Xeon Platinum 8380

40 Cores80 Thrd270 WWMax: 3.4 GHz2021
Similar parts
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Ryzen 9 9955HX3D vs Xeon Platinum 8380 Performance Spectrum

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Ryzen 9 9955HX3D vs Xeon Platinum 8380 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Ryzen 9 9955HX3D vs Xeon Platinum 8380: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Ryzen 9 9955HX3D

2025

Why buy it

  • Better for gaming: +19.9% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $1,261 less on MSRP ($749 MSRP vs $2,010 MSRP).
  • Delivers 165.2% more PassMark for each dollar spent, at 82.2 vs 31.0 PassMark/$ ($749 MSRP vs $2,010 MSRP).
  • Draws 55W instead of 270W, a 215W reduction.
  • Newer platform on FL1 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

  • Lower PassMark (61,578 vs 62,318).
  • Less compelling for workstation-style loads than Xeon Platinum 8380, which brings 40 cores / 80 threads and 64 PCIe lanes.

Xeon Platinum 8380

2021

Why buy it

  • +1.2% higher PassMark.
  • Better for workstations and heavier parallel workloads: 40 cores / 80 threads, plus 64 PCIe lanes vs 28.
  • 128.6% more PCIe lanes (64 vs 28) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 9955HX3D across 50 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 31.0 vs 82.2 PassMark/$ ($2,010 MSRP vs $749 MSRP).
  • 390.9% higher power demand at 270W vs 55W.
  • Older platform position on LGA4189 with DDR4, while Ryzen 9 9955HX3D moves to FL1 and DDR5.
  • No integrated graphics, while Ryzen 9 9955HX3D can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 9955HX3D better than Xeon Platinum 8380?
Not really, because they are built for different jobs. Xeon Platinum 8380 makes more sense for workstation-style multi-core throughput, while Ryzen 9 9955HX3D is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon Platinum 8380 is the stronger fit. You are getting 1.2% better PassMark, backed by 40 cores and 80 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 9955HX3D is the better buy right now. Ryzen 9 9955HX3D comes in $1,261 cheaper on MSRP at $749 MSRP versus $2,010 MSRP, and it still gives you a 19.9% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Platinum 8380 is still stronger for heavier multi-core work with 1.2% better PassMark. It is also 165.2% better value on MSRP (82.2 vs 31.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 9955HX3D makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021), a healthier platform with FL1 and DDR5 instead of LGA4189, and 3D V-Cache and a much larger 128 MB L3 cache instead of 60 MB. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 9 9955HX3D vs Xeon Platinum 8380 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

AMD

Ryzen 9 9955HX3D

The Ryzen 9 9955HX3D is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 61,578 points. Launch price was $700.

Intel

Xeon Platinum 8380

The Xeon Platinum 8380 is manufactured by Intel. It was released in 2021-04-06. It is based on the Ice Lake-SP (2021) architecture. It features 40 cores and 80 threads. Base frequency is 2.3 GHz, with boost up to 3.4 GHz. L3 cache: 60 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 62,318 points. Launch price was $5,846.

Processing Power

The Ryzen 9 9955HX3D packs 16 cores / 32 threads, while the Xeon Platinum 8380 offers 40 cores / 80 threads — the Xeon Platinum 8380 has 24 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX3D versus 3.4 GHz on the Xeon Platinum 8380 — a 45.5% clock advantage for the Ryzen 9 9955HX3D (base: 2.5 GHz vs 2.3 GHz). The Ryzen 9 9955HX3D uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Xeon Platinum 8380 uses Ice Lake-SP (2021) (10 nm). In PassMark, the Ryzen 9 9955HX3D scores 61,578 against the Xeon Platinum 8380's 62,318 — a 1.2% lead for the Xeon Platinum 8380. L3 cache: 128 MB (total) on the Ryzen 9 9955HX3D vs 60 MB (total) on the Xeon Platinum 8380.

FeatureRyzen 9 9955HX3DXeon Platinum 8380
Cores / Threads
16 / 32
40 / 80+150%
Boost Clock
5.4 GHz+59%
3.4 GHz
Base Clock
2.5 GHz+9%
2.3 GHz
L3 Cache
128 MB (total)+113%
60 MB (total)
L2 Cache
1 MB (per core)
1 MB (per core)
Process
4 nm-60%
10 nm
Architecture
Fire Range-HX (Zen 5) (2025)
Ice Lake-SP (2021)
PassMark
61,578
62,318+1%
Geekbench 6 Single
1,300
Geekbench 6 Multi
40,000
🧠

Memory & Platform

The Ryzen 9 9955HX3D uses the FL1 socket (PCIe 5.0), while the Xeon Platinum 8380 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Ryzen 9 9955HX3D versus DDR4-3200 on the Xeon Platinum 8380 — the Ryzen 9 9955HX3D supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8380 supports up to 6144 GB of RAM compared to 96 GB 6300% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9955HX3D) vs 8 (Xeon Platinum 8380). PCIe lanes: 28 (Ryzen 9 9955HX3D) vs 64 (Xeon Platinum 8380) — the Xeon Platinum 8380 offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 9955HX3D) and C621A (Xeon Platinum 8380).

FeatureRyzen 9 9955HX3DXeon Platinum 8380
Socket
FL1
LGA4189
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
5600+75%
DDR4-3200
Max RAM Capacity
96 GB
6144 GB+6300%
RAM Channels
2
8+300%
ECC Support
Yes
Yes
PCIe Lanes
28
64+129%
🔧

Advanced Features

Only the Ryzen 9 9955HX3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 9 9955HX3D) vs VT-x, VT-d (Xeon Platinum 8380). The Ryzen 9 9955HX3D includes integrated graphics (AMD Radeon 610M), while the Xeon Platinum 8380 requires a dedicated GPU. Primary use case: Xeon Platinum 8380 targets Datacenter. Direct competitor: Ryzen 9 9955HX3D rivals Core Ultra 9 185H; Xeon Platinum 8380 rivals EPYC 7543.

FeatureRyzen 9 9955HX3DXeon Platinum 8380
Integrated GPU
Yes
No
IGPU Model
AMD Radeon 610M
None
Unlocked
Yes
No
AVX-512
Yes
Yes
Virtualization
VT-x, VT-d, AMD-V
VT-x, VT-d
Target Use
Datacenter
💰

Value Analysis

At launch, the Ryzen 9 9955HX3D was priced at $749, while the Xeon Platinum 8380 came in at $2010. On launch pricing ($749 vs $2010), Ryzen 9 9955HX3D was $1261 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 9955HX3D delivers 82.2 pts/$ vs 31.0 pts/$ for the Xeon Platinum 8380 — making the Ryzen 9 9955HX3D the 90.5% better value option.

FeatureRyzen 9 9955HX3DXeon Platinum 8380
MSRP
$749-63%
$2010
Performance per Dollar
82.2+165%
31.0
Release Date
2025
2021

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