Ryzen 9 9955HX3D
Xeon Gold 5512U
Ryzen 9 9955HX3D vs Xeon Gold 5512U 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 Gold 5512U 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.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
Ryzen 9 9955HX3D vs Xeon Gold 5512U: 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
2025Why 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 $1,230 MSRP).
- ✅Draws 55W instead of 185W, a 130W reduction.
- ✅Integrated graphics onboard with AMD Radeon 610M, while Xeon Gold 5512U needs a discrete GPU.
Trade-offs
- ❌Less compelling for workstation-style loads than Xeon Gold 5512U, which brings 28 cores / 56 threads and 80 PCIe lanes.
Xeon Gold 5512U
2023Why buy it
- ✅Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 80 PCIe lanes vs 28.
- ✅185.7% more PCIe lanes (80 vs 28) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 9955HX3D across 50 shared CPU benchmark tests.
- ❌Lower PassMark (60,367 vs 61,578).
- ❌Lower PassMark per dollar, at 49.1 vs 82.2 PassMark/$ ($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.
Quick Answers
So, is Ryzen 9 9955HX3D better than Xeon Gold 5512U?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Ryzen 9 9955HX3D vs Xeon Gold 5512U Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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 16.7% 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 — 4166.7% 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
At launch, the Ryzen 9 9955HX3D was priced at $749, while the Xeon Gold 5512U came in at $1230. On launch pricing ($749 vs $1230), Ryzen 9 9955HX3D was $481 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 9955HX3D delivers 82.2 pts/$ vs 49.1 pts/$ for the Xeon Gold 5512U — making the Ryzen 9 9955HX3D the 50.5% better value option.
| Feature | Ryzen 9 9955HX3D | Xeon Gold 5512U |
|---|---|---|
| MSRP | $749-39% | $1230 |
| Performance per Dollar | 82.2+67% | 49.1 |
| Release Date | 2025 | 2023 |
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