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: +30.0% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $481 less on MSRP ($749 MSRP vs $1,230 MSRP).
✅Delivers 67.5% more PassMark for each dollar spent, at 82.2 vs 49.1 PassMark/$ ($749 MSRP vs $1,230 MSRP).
✅Draws 55W instead of 185W, a 130W reduction.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon Gold 5512U needs a discrete GPU.

Trade-offs

❌Less compelling for workstation-style loads than Xeon Gold 5512U, which brings 28 cores / 56 threads and 80 PCIe lanes.

Xeon Gold 5512U

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 (60,367 vs 61,578).
❌Lower PassMark per dollar, at 49.1 vs 82.2 PassMark/$ ($1,230 MSRP vs $749 MSRP).
❌236.4% higher power demand at 185W vs 55W.
❌No integrated graphics, while Ryzen 9 9955HX3D can still boot and troubleshoot without a discrete GPU.

Ryzen 9 9955HX3D

2025

Xeon Gold 5512U

2023

Why buy it

✅Better for gaming: +30.0% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $481 less on MSRP ($749 MSRP vs $1,230 MSRP).
✅Delivers 67.5% more PassMark for each dollar spent, at 82.2 vs 49.1 PassMark/$ ($749 MSRP vs $1,230 MSRP).
✅Draws 55W instead of 185W, a 130W reduction.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon Gold 5512U 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 5512U, 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 (60,367 vs 61,578).
❌Lower PassMark per dollar, at 49.1 vs 82.2 PassMark/$ ($1,230 MSRP vs $749 MSRP).
❌236.4% higher power demand at 185W 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 5512U?

Not in a simple one-size-fits-all way. Xeon Gold 5512U 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 30.0% 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 2% 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 $481 cheaper on MSRP at $749 MSRP versus $1,230 MSRP, and it gives you a 30.0% average FPS lead across 50 shared CPU game tests in our data. It is also 67.5% better value on MSRP (82.2 vs 49.1 PassMark/$), 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 5512U Benchmark Check

Path of Exile 2

Preset	Ryzen 9 9955HX3D	Xeon Gold 5512U
1080p
low	287 FPS	184 FPS
medium	265 FPS	162 FPS
high	217 FPS	128 FPS
ultra	183 FPS	104 FPS
1440p
low	264 FPS	153 FPS
medium	221 FPS	129 FPS
high	170 FPS	98 FPS
ultra	150 FPS	81 FPS
4K
low	183 FPS	69 FPS
medium	153 FPS	62 FPS
high	116 FPS	48 FPS
ultra	103 FPS	39 FPS

Open Ryzen 9 9955HX3D Open Xeon Gold 5512U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 9955HX3D	Xeon Gold 5512U
1080p
low	698 FPS	270 FPS
medium	601 FPS	241 FPS
high	448 FPS	200 FPS
ultra	376 FPS	166 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 5512U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 9955HX3D	Xeon Gold 5512U
1080p
low	851 FPS	777 FPS
medium	696 FPS	691 FPS
high	627 FPS	657 FPS
ultra	539 FPS	581 FPS
1440p
low	680 FPS	672 FPS
medium	557 FPS	594 FPS
high	490 FPS	562 FPS
ultra	416 FPS	503 FPS
4K
low	484 FPS	453 FPS
medium	401 FPS	370 FPS
high	361 FPS	335 FPS
ultra	302 FPS	279 FPS

Open Ryzen 9 9955HX3D Open Xeon Gold 5512U

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 9955HX3D	Xeon Gold 5512U
1080p
low	1080 FPS	940 FPS
medium	976 FPS	841 FPS
high	854 FPS	726 FPS
ultra	768 FPS	622 FPS
1440p
low	853 FPS	762 FPS
medium	753 FPS	666 FPS
high	660 FPS	572 FPS
ultra	571 FPS	484 FPS
4K
low	622 FPS	550 FPS
medium	557 FPS	493 FPS
high	494 FPS	435 FPS
ultra	426 FPS	372 FPS

Open Ryzen 9 9955HX3D Open Xeon Gold 5512U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 9955HX3D and Xeon Gold 5512U

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 5512U

The Xeon Gold 5512U 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 2.1 GHz, with boost up to 3.7 GHz. L3 cache: 52.5 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 60,367 points. Launch price was $1,230.

⚡

Processing Power

The Ryzen 9 9955HX3D packs 16 cores / 32 threads, while the Xeon Gold 5512U offers 28 cores / 56 threads — the Xeon Gold 5512U has 12 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX3D versus 3.7 GHz on the Xeon Gold 5512U — a 37.4% clock advantage for the Ryzen 9 9955HX3D (base: 2.5 GHz vs 2.1 GHz). The Ryzen 9 9955HX3D uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Xeon Gold 5512U uses Emerald Rapids (2023) (Intel 7 nm). In PassMark, the Ryzen 9 9955HX3D scores 61,578 against the Xeon Gold 5512U's 60,367 — a 2% 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 5512U.

Feature	Ryzen 9 9955HX3D	Xeon Gold 5512U
Cores / Threads	16 / 32	28 / 56+75%
Boost Clock	5.4 GHz+46%	3.7 GHz
Base Clock	2.5 GHz+19%	2.1 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-43%	Intel 7 nm
Architecture	Fire Range-HX (Zen 5) (2025)	Emerald Rapids (2023)
PassMark	61,578+2%	60,367

🧠

Memory & Platform

The Ryzen 9 9955HX3D uses the FL1 socket (PCIe 5.0), while the Xeon Gold 5512U uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Ryzen 9 9955HX3D versus 4800 on the Xeon Gold 5512U — the Ryzen 9 9955HX3D supports 15.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 5512U supports up to 4096 of RAM compared to 96 — 190.8% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9955HX3D) vs 8 (Xeon Gold 5512U). PCIe lanes: 28 (Ryzen 9 9955HX3D) vs 80 (Xeon Gold 5512U) — the Xeon Gold 5512U offers 52 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 9955HX3D) and C741 (Xeon Gold 5512U).

Feature	Ryzen 9 9955HX3D	Xeon Gold 5512U
Socket	FL1	LGA4677
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	5600+17%	4800
Max RAM Capacity	96	4096+4167%
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 5512U). The Ryzen 9 9955HX3D includes integrated graphics (AMD Radeon 610M), while the Xeon Gold 5512U requires a dedicated GPU. Direct competitor: Ryzen 9 9955HX3D rivals Core Ultra 9 185H; Xeon Gold 5512U rivals EPYC 9354.

Feature	Ryzen 9 9955HX3D	Xeon Gold 5512U
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

💰

Value Analysis

The Ryzen 9 9955HX3D launched at $749 MSRP, while the Xeon Gold 5512U debuted at $1230. On MSRP ($749 vs $1230), the Ryzen 9 9955HX3D is $481 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 9955HX3D delivers 82.2 pts/$ vs 49.1 pts/$ for the Xeon Gold 5512U — making the Ryzen 9 9955HX3D the 50.5% better value option.