U300 vs Xeon W-2123

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.

U300 vs Xeon W-2123 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.

U300 vs Xeon W-2123: Pros, Cons & Final Verdict

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

U300

2023

Why buy it

✅Draws 55W instead of 120W, a 65W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of LGA2066 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-2123 across 50 shared CPU benchmark tests.
❌Lower PassMark (8,492 vs 8,519).
❌Less compelling for workstation-style loads than Xeon W-2123, which brings 4 cores / 8 threads and 48 PCIe lanes.

Xeon W-2123

2017

Why buy it

✅Better for gaming: +8.4% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads, plus 48 PCIe lanes vs 0.
✅100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $294 MSRP, while U300 mostly shows up through inconsistent older-market listings.
❌118.2% higher power demand at 120W vs 55W.
❌Older platform position on LGA2066 with DDR4, while U300 moves to FCBGA1744 and DDR5.

Quick Answers

So, is Xeon W-2123 better than U300?

Not really, because they are built for different jobs. Xeon W-2123 makes more sense for workstation-style multi-core throughput, while U300 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon W-2123 is the better pick. According to our tests, it delivers 8.4% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon W-2123 is the stronger fit. You are getting 0.3% better PassMark, backed by 4 cores and 8 threads.

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

Xeon W-2123 is the better buy right now. Xeon W-2123 comes in at an unclear MSRP at $294 MSRP versus unclear MSRP, and it still gives you a 8.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (29.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

U300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017) and a healthier platform with FCBGA1744 and DDR5 instead of LGA2066. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

U300 vs Xeon W-2123 Technical Specifications

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

U300

The U300 is manufactured by Intel. It was released in 1 January 2023 (2 years ago). It features 5 cores and 6 threads. Max frequency: 4.4 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 8,492 points. Launch price was $149.

Xeon W-2123

The Xeon W-2123 is manufactured by Intel. It was released in 29 August 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 3.9 GHz. L3 cache: 8.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666. Passmark benchmark score: 8,519 points. Launch price was $294.

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Processing Power

The U300 packs 5 cores / 6 threads, while the Xeon W-2123 offers 4 cores / 8 threads — the U300 has 1 more core. Boost clocks reach 4.4 GHz on the U300 versus 3.9 GHz on the Xeon W-2123 — a 12% clock advantage for the U300. The Xeon W-2123 is built on the Skylake (server) (2017−2018) architecture. In PassMark, the U300 scores 8,492 against the Xeon W-2123's 8,519 — a 0.3% lead for the Xeon W-2123. L3 cache: 8 MB Intel® Smart Cache on the U300 vs 8.25 MB (total) on the Xeon W-2123.

Feature	U300	Xeon W-2123
Cores / Threads	5 / 6+25%	4 / 8
Boost Clock	4.4 GHz+13%	3.9 GHz
Base Clock	—	3.6 GHz
L3 Cache	8 MB Intel® Smart Cache	8.25 MB (total)+3%
L2 Cache	—	1 MB (per core)
Process	Intel 7 nm-50%	14 nm
Architecture	—	Skylake (server) (2017−2018)
PassMark	8,492	8,519
Geekbench 6 Single	—	1,172
Geekbench 6 Multi	—	4,215

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Memory & Platform

The U300 uses the FCBGA1744 socket (PCIe 4.0), while the Xeon W-2123 uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	U300	Xeon W-2123
Socket	FCBGA1744	LGA2066
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	—	DDR4-2666
Max RAM Capacity	—	512 GB
RAM Channels	—	4
ECC Support	—	Yes
PCIe Lanes	—	48