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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen 9 9955HX

2025

Why buy it

✅Better for gaming: +11.8% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (64 MB vs 48 MB).
✅Draws 55W instead of 265W, a 210W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA4189 and DDR4.
✅Integrated graphics onboard with Radeon 610M, while Xeon Platinum 8362 needs a discrete GPU.

Trade-offs

❌Lower PassMark (55,711 vs 56,787).
❌Less compelling for workstation-style loads than Xeon Platinum 8362, which brings 32 cores / 64 threads and 64 PCIe lanes.

Xeon Platinum 8362

2021

Why buy it

✅+1.9% higher PassMark.
✅Better for workstations and heavier parallel workloads: 32 cores / 64 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 9955HX across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (48 MB vs 64 MB).
❌Launch MSRP is still $6,236 MSRP, while Ryzen 9 9955HX mostly shows up through inconsistent older-market listings.
❌381.8% higher power demand at 265W vs 55W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 9955HX moves to FL1 and DDR5.

Ryzen 9 9955HX

2025

Xeon Platinum 8362

2021

Why buy it

✅Better for gaming: +11.8% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (64 MB vs 48 MB).
✅Draws 55W instead of 265W, a 210W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA4189 and DDR4.
✅Integrated graphics onboard with Radeon 610M, while Xeon Platinum 8362 needs a discrete GPU.

Why buy it

✅+1.9% higher PassMark.
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 28.
✅128.6% more PCIe lanes (64 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (55,711 vs 56,787).
❌Less compelling for workstation-style loads than Xeon Platinum 8362, which brings 32 cores / 64 threads and 64 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (48 MB vs 64 MB).
❌Launch MSRP is still $6,236 MSRP, while Ryzen 9 9955HX mostly shows up through inconsistent older-market listings.
❌381.8% higher power demand at 265W vs 55W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 9955HX moves to FL1 and DDR5.

Quick Answers

So, is Ryzen 9 9955HX better than Xeon Platinum 8362?

Not in a simple one-size-fits-all way. Xeon Platinum 8362 makes more sense for workstation-style multi-core throughput, while Ryzen 9 9955HX is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon Platinum 8362 is the better fit. You are getting 1.9% better PassMark, backed by 32 cores and 64 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 9 9955HX is still the faster CPU overall, but Xeon Platinum 8362 makes more sense if price matters more than absolute performance. Ryzen 9 9955HX is at an unclear MSRP at unclear MSRP versus $6,236 MSRP, and it gives you a 11.8% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Xeon Platinum 8362 is still stronger for heavier multi-core work with 1.9% better PassMark. Xeon Platinum 8362 is also 100.0% better value on MSRP (9.1 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 9 9955HX is the more future-proof choice 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 33.3% larger total L3 cache (64 MB vs 48 MB). That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Ryzen 9 9955HX Benchmark Check

Xeon Platinum 8362 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 9955HX	Xeon Platinum 8362
1080p
low	284 FPS	193 FPS
medium	261 FPS	155 FPS
high	214 FPS	126 FPS
ultra	180 FPS	98 FPS
1440p
low	260 FPS	159 FPS
medium	217 FPS	123 FPS
high	167 FPS	97 FPS
ultra	147 FPS	77 FPS
4K
low	181 FPS	73 FPS
medium	151 FPS	60 FPS
high	115 FPS	47 FPS
ultra	102 FPS	39 FPS

Open Ryzen 9 9955HX Open Xeon Platinum 8362

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 9955HX	Xeon Platinum 8362
1080p
low	666 FPS	416 FPS
medium	577 FPS	364 FPS
high	433 FPS	297 FPS
ultra	369 FPS	237 FPS
1440p
low	564 FPS	357 FPS
medium	503 FPS	317 FPS
high	389 FPS	265 FPS
ultra	305 FPS	204 FPS
4K
low	318 FPS	221 FPS
medium	288 FPS	200 FPS
high	253 FPS	169 FPS
ultra	214 FPS	136 FPS

Open Ryzen 9 9955HX Open Xeon Platinum 8362

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 9955HX	Xeon Platinum 8362
1080p
low	848 FPS	986 FPS
medium	678 FPS	859 FPS
high	600 FPS	812 FPS
ultra	515 FPS	720 FPS
1440p
low	678 FPS	787 FPS
medium	542 FPS	676 FPS
high	469 FPS	639 FPS
ultra	397 FPS	567 FPS
4K
low	482 FPS	504 FPS
medium	399 FPS	397 FPS
high	359 FPS	353 FPS
ultra	301 FPS	288 FPS

Open Ryzen 9 9955HX Open Xeon Platinum 8362

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 9955HX	Xeon Platinum 8362
1080p
low	1071 FPS	928 FPS
medium	966 FPS	843 FPS
high	843 FPS	728 FPS
ultra	759 FPS	629 FPS
1440p
low	840 FPS	727 FPS
medium	746 FPS	640 FPS
high	651 FPS	550 FPS
ultra	564 FPS	472 FPS
4K
low	618 FPS	524 FPS
medium	553 FPS	469 FPS
high	487 FPS	412 FPS
ultra	420 FPS	357 FPS

Open Ryzen 9 9955HX Open Xeon Platinum 8362

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 9955HX and Xeon Platinum 8362

Ryzen 9 9955HX

The Ryzen 9 9955HX 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: 64 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: 55,711 points. Launch price was $650.

Xeon Platinum 8362

The Xeon Platinum 8362 is manufactured by Intel. It was released in 2021-04-01. It is based on the Ice Lake-SP (2021) architecture. It features 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.6 GHz. L3 cache: 48 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 265 Watt. Memory support: DDR4-3200. Passmark benchmark score: 56,787 points. Launch price was $3,500.

⚡

Processing Power

The Ryzen 9 9955HX packs 16 cores / 32 threads, while the Xeon Platinum 8362 offers 32 cores / 64 threads — the Xeon Platinum 8362 has 16 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX versus 3.6 GHz on the Xeon Platinum 8362 — a 40% clock advantage for the Ryzen 9 9955HX (base: 2.5 GHz vs 2.8 GHz). The Ryzen 9 9955HX uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Xeon Platinum 8362 uses Ice Lake-SP (2021) (10 nm). In PassMark, the Ryzen 9 9955HX scores 55,711 against the Xeon Platinum 8362's 56,787 — a 1.9% lead for the Xeon Platinum 8362. L3 cache: 64 MB (total) on the Ryzen 9 9955HX vs 48 MB (total) on the Xeon Platinum 8362.

Feature	Ryzen 9 9955HX	Xeon Platinum 8362
Cores / Threads	16 / 32	32 / 64+100%
Boost Clock	5.4 GHz+50%	3.6 GHz
Base Clock	2.5 GHz	2.8 GHz+12%
L3 Cache	64 MB (total)+33%	48 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	55,711	56,787+2%
Cinebench R23 Multi	38,010	—
Geekbench 6 Single	3,219	—
Geekbench 6 Multi	19,563	—

🧠

Memory & Platform

The Ryzen 9 9955HX uses the FL1 socket (PCIe 5.0), while the Xeon Platinum 8362 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 9955HX versus 3200 on the Xeon Platinum 8362 — the Xeon Platinum 8362 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8362 supports up to 4096 of RAM compared to 96 GB — 190.8% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9955HX) vs 8 (Xeon Platinum 8362). PCIe lanes: 28 (Ryzen 9 9955HX) vs 64 (Xeon Platinum 8362) — the Xeon Platinum 8362 offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD FL1 (Ryzen 9 9955HX) and C621A (Xeon Platinum 8362).

Feature	Ryzen 9 9955HX	Xeon Platinum 8362
Socket	FL1	LGA4189
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-5600	3200+63900%
Max RAM Capacity	96 GB+2457500%	4096
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	64+129%

🔧

Advanced Features

Only the Ryzen 9 9955HX 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: true (Ryzen 9 9955HX) vs VT-x, VT-d (Xeon Platinum 8362). The Ryzen 9 9955HX includes integrated graphics (Radeon 610M), while the Xeon Platinum 8362 requires a dedicated GPU. Direct competitor: Ryzen 9 9955HX rivals Core Ultra 9 275HX; Xeon Platinum 8362 rivals EPYC 7543.