
Core i9-11900KF

Xeon Gold 5220
Core i9-11900KF vs Xeon Gold 5220 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.
Core i9-11900KF vs Xeon Gold 5220 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
Core i9-11900KF vs Xeon Gold 5220: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i9-11900KF
2021Why buy it
- ✅Better for gaming: +31.4% higher average FPS across 50 shared CPU benchmark tests.
- ✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
- ✅AVX-512 support for select workstation, AI, and scientific workloads.
Trade-offs
- ❌Smaller total L3 cache (16 MB vs 25 MB).
- ❌Less compelling for workstation-style loads than Xeon Gold 5220, which brings 18 cores / 36 threads.
- ❌Launch MSRP is still $513 MSRP, while Xeon Gold 5220 mostly shows up through inconsistent older-market listings.
Xeon Gold 5220
2019Why buy it
- ✅+54.7% larger total L3 cache (25 MB vs 16 MB).
- ✅Better for workstations and heavier parallel workloads: 18 cores / 36 threads.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i9-11900KF across 50 shared CPU benchmark tests.
- ❌Lower PassMark (24,480 vs 24,585).
- ❌No AVX-512 support for niche heavy compute workloads where it can matter.
Quick Answers
So, is Core i9-11900KF better than Xeon Gold 5220?
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?
Core i9-11900KF vs Xeon Gold 5220 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-11900KF
The Core i9-11900KF is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-3200. Passmark benchmark score: 24,585 points. Launch price was $299.

Xeon Gold 5220
The Xeon Gold 5220 is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 18 cores and 36 threads. Base frequency is 2.2 GHz, with boost up to 3.9 GHz. L3 cache: 24.75 MB. L2 cache: 18 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2667. Passmark benchmark score: 24,480 points. Launch price was $1,555.
Processing Power
The Core i9-11900KF packs 8 cores / 16 threads, while the Xeon Gold 5220 offers 18 cores / 36 threads — the Xeon Gold 5220 has 10 more cores. Boost clocks reach 5.2 GHz on the Core i9-11900KF versus 3.9 GHz on the Xeon Gold 5220 — a 28.6% clock advantage for the Core i9-11900KF (base: 3.5 GHz vs 2.2 GHz). The Core i9-11900KF uses the Rocket Lake (2021) architecture (14 nm), while the Xeon Gold 5220 uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Core i9-11900KF scores 24,585 against the Xeon Gold 5220's 24,480 — a 0.4% lead for the Core i9-11900KF. L3 cache: 16 MB (total) on the Core i9-11900KF vs 24.75 MB on the Xeon Gold 5220.
| Feature | Core i9-11900KF | Xeon Gold 5220 |
|---|---|---|
| Cores / Threads | 8 / 16 | 18 / 36+125% |
| Boost Clock | 5.2 GHz+33% | 3.9 GHz |
| Base Clock | 3.5 GHz+59% | 2.2 GHz |
| L3 Cache | 16 MB (total) | 24.75 MB+55% |
| L2 Cache | 256K (per core)+1322% | 18 MB |
| Process | 14 nm | 14 nm |
| Architecture | Rocket Lake (2021) | Cascade Lake (2019−2020) |
| PassMark | 24,585 | 24,480 |
| Cinebench R23 Multi | 15,500 | — |
Memory & Platform
The Core i9-11900KF uses the LGA1200 socket (PCIe 4.0), while the Xeon Gold 5220 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i9-11900KF | Xeon Gold 5220 |
|---|---|---|
| Socket | LGA1200 | LGA3647 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | No | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i9-11900KF) / not specified (Xeon Gold 5220).
| Feature | Core i9-11900KF | Xeon Gold 5220 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
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