Xeon Bronze 3508U vs Xeon Silver 4209T

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 3508U vs Xeon Silver 4209T 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 3508U vs Xeon Silver 4209T: 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 3508U

2023

Why buy it

✅+1.5% higher PassMark.
✅+104.5% larger total L3 cache (23 MB vs 11 MB).
✅Newer platform on LGA4677 with DDR5 support instead of LGA3647 and DDR4.

Trade-offs

❌78.6% higher power demand at 125W vs 70W.

Xeon Silver 4209T

2019

Why buy it

✅Draws 70W instead of 125W, a 55W reduction.

Trade-offs

❌Lower PassMark (11,080 vs 11,248).
❌Smaller total L3 cache (11 MB vs 23 MB).
❌Launch MSRP is still $563 MSRP, while Xeon Bronze 3508U mostly shows up through inconsistent older-market listings.
❌Older platform position on LGA3647 with DDR4, while Xeon Bronze 3508U moves to LGA4677 and DDR5.

Quick Answers

So, is Xeon Silver 4209T better than Xeon Bronze 3508U?

It depends on what you want from the system. For gaming, Xeon Silver 4209T is ahead with a 2.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Bronze 3508U pulls ahead with 1.5% better PassMark. Xeon Bronze 3508U also has the bigger cache pool with 104.5% larger total L3 cache (23 MB vs 11 MB).

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

For streaming, content creation, and heavier multitasking, Xeon Bronze 3508U is the stronger fit. You are getting 1.5% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 104.5% larger total L3 cache (23 MB vs 11 MB).

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

Xeon Silver 4209T is the better buy right now. Xeon Silver 4209T comes in at an unclear MSRP at $563 MSRP versus unclear MSRP, and it still gives you a 2.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Bronze 3508U is still stronger for heavier multi-core work with 1.5% better PassMark. It is also 100.0% better value on MSRP (19.7 vs 0.0 PassMark/$), 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 3508U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with LGA4677 and DDR5 instead of LGA3647, 104.5% larger total L3 cache (23 MB vs 11 MB), and more multi-core headroom with 8 cores / 8 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Bronze 3508U vs Xeon Silver 4209T Technical Specifications

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

Xeon Bronze 3508U

The Xeon Bronze 3508U is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 8 threads. Base frequency is 2.1 GHz, with boost up to 2.2 GHz. L3 cache: 22.5 MB. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 125 Watt. Memory support: DDR5 @ 4400 MT/s (1 DPC &2DPC). Passmark benchmark score: 11,248 points. Launch price was $800.

Xeon Silver 4209T

The Xeon Silver 4209T 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 8 cores and 16 threads. Base frequency is 2.2 GHz, with boost up to 3.2 GHz. L3 cache: 11 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 70 Watt. Memory support: DDR4-2400. Passmark benchmark score: 11,080 points. Launch price was $501.

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Processing Power

The Xeon Bronze 3508U packs 8 cores / 8 threads, matching the Xeon Silver 4209T's 8 cores. Boost clocks reach 2.2 GHz on the Xeon Bronze 3508U versus 3.2 GHz on the Xeon Silver 4209T — a 37% clock advantage for the Xeon Silver 4209T (base: 2.1 GHz vs 2.2 GHz). The Xeon Silver 4209T is built on the Cascade Lake (2019−2020) architecture. In PassMark, the Xeon Bronze 3508U scores 11,248 against the Xeon Silver 4209T's 11,080 — a 1.5% lead for the Xeon Bronze 3508U. L3 cache: 22.5 MB on the Xeon Bronze 3508U vs 11 MB on the Xeon Silver 4209T.

Feature	Xeon Bronze 3508U	Xeon Silver 4209T
Cores / Threads	8 / 8	8 / 16
Boost Clock	2.2 GHz	3.2 GHz+45%
Base Clock	2.1 GHz	2.2 GHz+5%
L3 Cache	22.5 MB+105%	11 MB
L2 Cache	—	8 MB
Process	Intel 7 nm-50%	14 nm
Architecture	—	Cascade Lake (2019−2020)
PassMark	11,248+2%	11,080

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Memory & Platform

The Xeon Bronze 3508U uses the LGA4677 socket (PCIe 4.0), while the Xeon Silver 4209T uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.