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 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.

Ryzen 9 9955HX3D

2025

Xeon Platinum 8380

2021

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.

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

❌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.

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 in a simple one-size-fits-all way. Xeon Platinum 8380 makes more sense for workstation-style multi-core throughput, while Ryzen 9 9955HX3D 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 8380 is the better 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 smarter buy today. Ryzen 9 9955HX3D is $1,261 cheaper on MSRP at $749 MSRP versus $2,010 MSRP, and it gives you a 19.9% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Xeon Platinum 8380 is still stronger for heavier multi-core work with 1.2% better PassMark. It is also 165.2% better value on MSRP (82.2 vs 31.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Ryzen 9 9955HX3D 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 3D V-Cache and a much larger 128 MB L3 cache instead of 60 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 9955HX3D Benchmark Check

Xeon Platinum 8380 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 9955HX3D	Xeon Platinum 8380
1080p
low	287 FPS	185 FPS
medium	265 FPS	149 FPS
high	217 FPS	120 FPS
ultra	183 FPS	94 FPS
1440p
low	264 FPS	154 FPS
medium	221 FPS	120 FPS
high	170 FPS	93 FPS
ultra	150 FPS	74 FPS
4K
low	183 FPS	72 FPS
medium	153 FPS	60 FPS
high	116 FPS	46 FPS
ultra	103 FPS	38 FPS

Open Ryzen 9 9955HX3D Open Xeon Platinum 8380

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 9955HX3D	Xeon Platinum 8380
1080p
low	698 FPS	412 FPS
medium	601 FPS	361 FPS
high	448 FPS	294 FPS
ultra	376 FPS	235 FPS
1440p
low	579 FPS	353 FPS
medium	517 FPS	314 FPS
high	398 FPS	264 FPS
ultra	311 FPS	203 FPS
4K
low	325 FPS	219 FPS
medium	294 FPS	198 FPS
high	258 FPS	167 FPS
ultra	218 FPS	135 FPS

Open Ryzen 9 9955HX3D Open Xeon Platinum 8380

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 9955HX3D	Xeon Platinum 8380
1080p
low	851 FPS	935 FPS
medium	696 FPS	817 FPS
high	627 FPS	766 FPS
ultra	539 FPS	680 FPS
1440p
low	680 FPS	746 FPS
medium	557 FPS	643 FPS
high	490 FPS	603 FPS
ultra	416 FPS	535 FPS
4K
low	484 FPS	479 FPS
medium	401 FPS	378 FPS
high	361 FPS	334 FPS
ultra	302 FPS	272 FPS

Open Ryzen 9 9955HX3D Open Xeon Platinum 8380

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 9955HX3D	Xeon Platinum 8380
1080p
low	1080 FPS	900 FPS
medium	976 FPS	817 FPS
high	854 FPS	705 FPS
ultra	768 FPS	606 FPS
1440p
low	853 FPS	703 FPS
medium	753 FPS	617 FPS
high	660 FPS	530 FPS
ultra	571 FPS	454 FPS
4K
low	622 FPS	507 FPS
medium	557 FPS	454 FPS
high	494 FPS	398 FPS
ultra	426 FPS	346 FPS

Open Ryzen 9 9955HX3D Open Xeon Platinum 8380

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 9955HX3D and Xeon Platinum 8380

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.

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.

Feature	Ryzen 9 9955HX3D	Xeon 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 199.7% 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 — 193.8% 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).

Feature	Ryzen 9 9955HX3D	Xeon Platinum 8380
Socket	FL1	LGA4189
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	5600+139900%	DDR4-3200
Max RAM Capacity	96	6144 GB+6710886300%
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.

Feature	Ryzen 9 9955HX3D	Xeon 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

The Ryzen 9 9955HX3D launched at $749 MSRP, while the Xeon Platinum 8380 debuted at $2010. On MSRP ($749 vs $2010), the Ryzen 9 9955HX3D is $1261 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 9955HX3D delivers 82.2 pts/$ vs 31.0 pts/$ for the Xeon Platinum 8380 — making the Ryzen 9 9955HX3D the 90.5% better value option.