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: +27.8% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $334 less on MSRP ($749 MSRP vs $1,083 MSRP).
✅Delivers 45.4% more PassMark for each dollar spent, at 82.2 vs 56.5 PassMark/$ ($749 MSRP vs $1,083 MSRP).
✅Draws 55W instead of 205W, a 150W reduction.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon Gold 5520+ needs a discrete GPU.

Trade-offs

❌Less compelling for workstation-style loads than Xeon Gold 5520+, which brings 28 cores / 56 threads and 80 PCIe lanes.

Xeon Gold 5520+

2023

Why buy it

✅Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 80 PCIe lanes vs 28.
✅185.7% more PCIe lanes (80 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 (61,227 vs 61,578).
❌Lower PassMark per dollar, at 56.5 vs 82.2 PassMark/$ ($1,083 MSRP vs $749 MSRP).
❌272.7% higher power demand at 205W vs 55W.
❌No integrated graphics, while Ryzen 9 9955HX3D can still boot and troubleshoot without a discrete GPU.

Ryzen 9 9955HX3D

2025

Xeon Gold 5520+

2023

Why buy it

✅Better for gaming: +27.8% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $334 less on MSRP ($749 MSRP vs $1,083 MSRP).
✅Delivers 45.4% more PassMark for each dollar spent, at 82.2 vs 56.5 PassMark/$ ($749 MSRP vs $1,083 MSRP).
✅Draws 55W instead of 205W, a 150W reduction.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon Gold 5520+ needs a discrete GPU.

Why buy it

✅Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 80 PCIe lanes vs 28.
✅185.7% more PCIe lanes (80 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Less compelling for workstation-style loads than Xeon Gold 5520+, which brings 28 cores / 56 threads and 80 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX3D across 50 shared CPU benchmark tests.
❌Lower PassMark (61,227 vs 61,578).
❌Lower PassMark per dollar, at 56.5 vs 82.2 PassMark/$ ($1,083 MSRP vs $749 MSRP).
❌272.7% higher power demand at 205W vs 55W.
❌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 Gold 5520+?

Not in a simple one-size-fits-all way. Xeon Gold 5520+ 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 gaming?

If gaming is the priority, Ryzen 9 9955HX3D is the better pick here. According to our tests, it delivers 27.8% more average FPS across 50 shared CPU game tests. It also has a big cache advantage at 128 MB vs 53 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 9955HX3D is the better fit. You are getting 0.6% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 143.8% larger total L3 cache (128 MB vs 53 MB).

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

Ryzen 9 9955HX3D is the smarter buy today. Ryzen 9 9955HX3D is $334 cheaper on MSRP at $749 MSRP versus $1,083 MSRP, and it gives you a 27.8% average FPS lead across 50 shared CPU game tests in our data. It is also 45.4% better value on MSRP (82.2 vs 56.5 PassMark/$), 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 2023), 3D V-Cache and a much larger 128 MB L3 cache instead of 53 MB, and more multi-core headroom with 16 cores / 32 threads instead of 28/56. 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 Gold 5520+ Benchmark Check

Path of Exile 2

Preset	Ryzen 9 9955HX3D	Xeon Gold 5520+
1080p
low	287 FPS	185 FPS
medium	265 FPS	162 FPS
high	217 FPS	129 FPS
ultra	183 FPS	104 FPS
1440p
low	264 FPS	153 FPS
medium	221 FPS	129 FPS
high	170 FPS	99 FPS
ultra	150 FPS	81 FPS
4K
low	183 FPS	70 FPS
medium	153 FPS	62 FPS
high	116 FPS	48 FPS
ultra	103 FPS	39 FPS

Open Ryzen 9 9955HX3D Open Xeon Gold 5520+

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 9955HX3D	Xeon Gold 5520+
1080p
low	698 FPS	266 FPS
medium	601 FPS	238 FPS
high	448 FPS	197 FPS
ultra	376 FPS	164 FPS
1440p
low	579 FPS	227 FPS
medium	517 FPS	205 FPS
high	398 FPS	175 FPS
ultra	311 FPS	140 FPS
4K
low	325 FPS	141 FPS
medium	294 FPS	130 FPS
high	258 FPS	118 FPS
ultra	218 FPS	98 FPS

Open Ryzen 9 9955HX3D Open Xeon Gold 5520+

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 9955HX3D	Xeon Gold 5520+
1080p
low	851 FPS	875 FPS
medium	696 FPS	792 FPS
high	627 FPS	748 FPS
ultra	539 FPS	658 FPS
1440p
low	680 FPS	749 FPS
medium	557 FPS	674 FPS
high	490 FPS	633 FPS
ultra	416 FPS	564 FPS
4K
low	484 FPS	506 FPS
medium	401 FPS	425 FPS
high	361 FPS	379 FPS
ultra	302 FPS	316 FPS

Open Ryzen 9 9955HX3D Open Xeon Gold 5520+

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 9955HX3D	Xeon Gold 5520+
1080p
low	1080 FPS	935 FPS
medium	976 FPS	842 FPS
high	854 FPS	728 FPS
ultra	768 FPS	632 FPS
1440p
low	853 FPS	768 FPS
medium	753 FPS	674 FPS
high	660 FPS	579 FPS
ultra	571 FPS	498 FPS
4K
low	622 FPS	561 FPS
medium	557 FPS	504 FPS
high	494 FPS	445 FPS
ultra	426 FPS	383 FPS

Open Ryzen 9 9955HX3D Open Xeon Gold 5520+

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 9955HX3D and Xeon Gold 5520+

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 Gold 5520+

The Xeon Gold 5520+ is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 28 cores and 56 threads. Base frequency is 2.2 GHz, with boost up to 4 GHz. L3 cache: 52.5 MB (total). L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 205 Watt. Memory support: DDR5. Passmark benchmark score: 61,227 points. Launch price was $1,640.

⚡

Processing Power

The Ryzen 9 9955HX3D packs 16 cores / 32 threads, while the Xeon Gold 5520+ offers 28 cores / 56 threads — the Xeon Gold 5520+ has 12 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX3D versus 4 GHz on the Xeon Gold 5520+ — a 29.8% clock advantage for the Ryzen 9 9955HX3D (base: 2.5 GHz vs 2.2 GHz). The Ryzen 9 9955HX3D uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Xeon Gold 5520+ uses Emerald Rapids (2023) (10 nm). In PassMark, the Ryzen 9 9955HX3D scores 61,578 against the Xeon Gold 5520+'s 61,227 — a 0.6% lead for the Ryzen 9 9955HX3D. L3 cache: 128 MB (total) on the Ryzen 9 9955HX3D vs 52.5 MB (total) on the Xeon Gold 5520+.

Feature	Ryzen 9 9955HX3D	Xeon Gold 5520+
Cores / Threads	16 / 32	28 / 56+75%
Boost Clock	5.4 GHz+35%	4 GHz
Base Clock	2.5 GHz+14%	2.2 GHz
L3 Cache	128 MB (total)+144%	52.5 MB (total)
L2 Cache	1 MB (per core)	2 MB (per core)+100%
Process	4 nm-60%	10 nm
Architecture	Fire Range-HX (Zen 5) (2025)	Emerald Rapids (2023)
PassMark	61,578	61,227
Geekbench 6 Single	—	1,600
Geekbench 6 Multi	—	25,000

🧠

Memory & Platform

The Ryzen 9 9955HX3D uses the FL1 socket (PCIe 5.0), while the Xeon Gold 5520+ uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Ryzen 9 9955HX3D versus DDR5-4800 on the Xeon Gold 5520+ — the Ryzen 9 9955HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 5520+ supports up to 4096 GB of RAM compared to 96 — 190.8% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9955HX3D) vs 8 (Xeon Gold 5520+). PCIe lanes: 28 (Ryzen 9 9955HX3D) vs 80 (Xeon Gold 5520+) — the Xeon Gold 5520+ offers 52 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 9955HX3D) and C741 (Xeon Gold 5520+).

Feature	Ryzen 9 9955HX3D	Xeon Gold 5520+
Socket	FL1	LGA4677
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	5600+111900%	DDR5-4800
Max RAM Capacity	96	4096 GB+4473924167%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	80+186%

🔧

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 Gold 5520+). The Ryzen 9 9955HX3D includes integrated graphics (AMD Radeon 610M), while the Xeon Gold 5520+ requires a dedicated GPU. Primary use case: Xeon Gold 5520+ targets Enterprise Server. Direct competitor: Ryzen 9 9955HX3D rivals Core Ultra 9 185H; Xeon Gold 5520+ rivals EPYC 9354.

Feature	Ryzen 9 9955HX3D	Xeon Gold 5520+
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	—	Enterprise Server

💰

Value Analysis

The Ryzen 9 9955HX3D launched at $749 MSRP, while the Xeon Gold 5520+ debuted at $1083. On MSRP ($749 vs $1083), the Ryzen 9 9955HX3D is $334 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 9955HX3D delivers 82.2 pts/$ vs 56.5 pts/$ for the Xeon Gold 5520+ — making the Ryzen 9 9955HX3D the 37% better value option.