Xeon Bronze 3408U vs Xeon W-2125

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.

Xeon Bronze 3408U vs Xeon W-2125 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.

Xeon Bronze 3408U vs Xeon W-2125: Pros, Cons & Final Verdict

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

Xeon Bronze 3408U

2023

Why buy it

✅+172.7% larger total L3 cache (23 MB vs 8.3 MB).
✅Newer platform on LGA4677 with DDR5 support instead of LGA2066 and DDR4.

Trade-offs

❌Lower PassMark (9,969 vs 10,000).
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon W-2125

2017

Why buy it

✅Draws 120W instead of 125W, a 5W reduction.
✅100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Smaller total L3 cache (8.3 MB vs 23 MB).
❌Launch MSRP is still $444 MSRP, while Xeon Bronze 3408U mostly shows up through inconsistent older-market listings.
❌Older platform position on LGA2066 with DDR4, while Xeon Bronze 3408U moves to LGA4677 and DDR5.

Quick Answers

So, is Xeon W-2125 better than Xeon Bronze 3408U?

Yes. Xeon W-2125 is the better all-around CPU here. It gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data and 0.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon W-2125 is the better pick. According to our tests, it delivers 0.4% 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-2125 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-2125 is the better buy right now. Xeon W-2125 comes in at an unclear MSRP at $444 MSRP versus unclear MSRP, and it still gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (22.5 vs 0.0 PassMark/$), 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 Bronze 3408U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017), a healthier platform with LGA4677 and DDR5 instead of LGA2066, and 172.7% larger total L3 cache (23 MB vs 8.3 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Bronze 3408U vs Xeon W-2125 Technical Specifications

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

Xeon Bronze 3408U

The Xeon Bronze 3408U is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 8 cores and 8 threads. Base frequency is 1.8 GHz, with boost up to 1.9 GHz. L3 cache: 22.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 125 Watt. Memory support: DDR5-4000. Passmark benchmark score: 9,969 points. Launch price was $425.

Xeon W-2125

The Xeon W-2125 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 4 GHz, with boost up to 4.5 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: 10,000 points. Launch price was $444.

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Processing Power

The Xeon Bronze 3408U packs 8 cores / 8 threads, while the Xeon W-2125 offers 4 cores / 8 threads — the Xeon Bronze 3408U has 4 more cores. Boost clocks reach 1.9 GHz on the Xeon Bronze 3408U versus 4.5 GHz on the Xeon W-2125 — a 81.3% clock advantage for the Xeon W-2125 (base: 1.8 GHz vs 4 GHz). The Xeon Bronze 3408U uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the Xeon W-2125 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon Bronze 3408U scores 9,969 against the Xeon W-2125's 10,000 — a 0.3% lead for the Xeon W-2125. L3 cache: 22.5 MB on the Xeon Bronze 3408U vs 8.25 MB (total) on the Xeon W-2125.

Feature	Xeon Bronze 3408U	Xeon W-2125
Cores / Threads	8 / 8+100%	4 / 8
Boost Clock	1.9 GHz	4.5 GHz+137%
Base Clock	1.8 GHz	4 GHz+122%
L3 Cache	22.5 MB+173%	8.25 MB (total)
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	Intel 7 nm-50%	14 nm
Architecture	Sapphire Rapids (2023−2024)	Skylake (server) (2017−2018)
PassMark	9,969	10,000

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Memory & Platform

The Xeon Bronze 3408U uses the LGA4677 socket (PCIe 4.0), while the Xeon W-2125 uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Xeon Bronze 3408U	Xeon W-2125
Socket	LGA4677	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