Core i9-9900KS vs Xeon W-2245

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 i9-9900KS vs Xeon W-2245 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.

Core i9-9900KS vs Xeon W-2245: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-9900KS

2019

Why buy it

✅Better for gaming: +4.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 127W instead of 155W, a 28W reduction.

Trade-offs

❌Lower PassMark (19,397 vs 19,422).
❌Launch MSRP is still $513 MSRP, while Xeon W-2245 mostly shows up through inconsistent older-market listings.

Xeon W-2245

2019

Why buy it

✅+0.1% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-9900KS across 50 shared CPU benchmark tests.
❌22% higher power demand at 155W vs 127W.

Quick Answers

So, is Core i9-9900KS better than Xeon W-2245?

Not really, because they are built for different jobs. Xeon W-2245 makes more sense for workstation-style multi-core throughput, while Core i9-9900KS is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Xeon W-2245 is the stronger fit. You are getting 0.1% better PassMark, backed by 8 cores and 16 threads.

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

Core i9-9900KS is the better buy right now. Core i9-9900KS comes in at an unclear MSRP at $513 MSRP versus unclear MSRP, and it still gives you a 4.5% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon W-2245 is still stronger for heavier multi-core work with 0.1% better PassMark. It is also 100.0% better value on MSRP (37.8 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon W-2245 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 8 cores / 16 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-9900KS vs Xeon W-2245 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-9900KS

The Core i9-9900KS is manufactured by Intel. It was released in 28 October 2019 (6 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 127 Watt. Memory support: DDR4. Passmark benchmark score: 19,397 points. Launch price was $513.

Xeon W-2245

The Xeon W-2245 is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 16 threads. Base frequency is 3.9 GHz, with boost up to 4.7 GHz. L3 cache: 16.5 MB. Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 155 Watt. Memory support: DDR4-2933. Passmark benchmark score: 19,422 points. Launch price was $800.

⚡

Processing Power

Both the Core i9-9900KS and Xeon W-2245 share an identical 8-core/16-thread configuration. Boost clocks reach 5 GHz on the Core i9-9900KS versus 4.7 GHz on the Xeon W-2245 — a 6.2% clock advantage for the Core i9-9900KS (base: 4 GHz vs 3.9 GHz). The Core i9-9900KS is built on the Coffee Lake-R (2018−2019) architecture. In PassMark, the Core i9-9900KS scores 19,397 against the Xeon W-2245's 19,422 — a 0.1% lead for the Xeon W-2245. L3 cache: 16 MB (total) on the Core i9-9900KS vs 16.5 MB on the Xeon W-2245.

Feature	Core i9-9900KS	Xeon W-2245
Cores / Threads	8 / 16	8 / 16
Boost Clock	5 GHz+6%	4.7 GHz
Base Clock	4 GHz+3%	3.9 GHz
L3 Cache	16 MB (total)	16.5 MB+3%
L2 Cache	256 kB (per core)	—
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	—
PassMark	19,397	19,422

🧠

Memory & Platform

The Core i9-9900KS uses the LGA1151 socket (PCIe 4.0), while the Xeon W-2245 uses LGA2066 (PCIe 4.0) — making them incompatible on the same motherboard.