Xeon Bronze 3408U vs Xeon E5-2648L V3

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 E5-2648L V3 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 E5-2648L V3: 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

✅+1.2% higher PassMark.
✅Newer platform on LGA4677 with DDR5 support instead of LGA2011-3 and DDR4.

Trade-offs

❌Smaller total L3 cache (23 MB vs 30 MB).
❌66.7% higher power demand at 125W vs 75W.

Xeon E5-2648L V3

2014

Why buy it

✅+33.3% larger total L3 cache (30 MB vs 23 MB).
✅Draws 75W instead of 125W, a 50W reduction.

Trade-offs

❌Lower PassMark (9,847 vs 9,969).
❌Older platform position on LGA2011-3 with DDR4, while Xeon Bronze 3408U moves to LGA4677 and DDR5.

Quick Answers

So, is Xeon Bronze 3408U better than Xeon E5-2648L V3?

It depends on what you want from the system. For gaming, Xeon E5-2648L V3 is ahead with a 1.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Bronze 3408U pulls ahead with 1.2% better PassMark. Xeon E5-2648L V3 also has the bigger cache pool with 33.3% larger total L3 cache (30 MB vs 23 MB).

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

For streaming, content creation, and heavier multitasking, Xeon Bronze 3408U is the stronger fit. You are getting 1.2% better PassMark, backed by 8 cores and 8 threads.

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

Xeon Bronze 3408U still makes the most sense overall. Xeon Bronze 3408U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 1.2% better PassMark.

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 2014), a healthier platform with LGA4677 and DDR5 instead of LGA2011-3, and more multi-core headroom with 8 cores / 8 threads instead of 12/24. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Bronze 3408U vs Xeon E5-2648L V3 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 E5-2648L V3

The Xeon E5-2648L V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 1.8 GHz, with boost up to 2.5 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 75 Watt. Memory support: DDR4-2133. Passmark benchmark score: 9,847 points. Launch price was $800.

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Processing Power

The Xeon Bronze 3408U packs 8 cores / 8 threads, while the Xeon E5-2648L V3 offers 12 cores / 24 threads — the Xeon E5-2648L V3 has 4 more cores. Boost clocks reach 1.9 GHz on the Xeon Bronze 3408U versus 2.5 GHz on the Xeon E5-2648L V3 — a 27.3% clock advantage for the Xeon E5-2648L V3 (base: 1.8 GHz vs 1.8 GHz). The Xeon Bronze 3408U uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the Xeon E5-2648L V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Xeon Bronze 3408U scores 9,969 against the Xeon E5-2648L V3's 9,847 — a 1.2% lead for the Xeon Bronze 3408U. L3 cache: 22.5 MB on the Xeon Bronze 3408U vs 30 MB (total) on the Xeon E5-2648L V3.

Feature	Xeon Bronze 3408U	Xeon E5-2648L V3
Cores / Threads	8 / 8	12 / 24+50%
Boost Clock	1.9 GHz	2.5 GHz+32%
Base Clock	1.8 GHz	1.8 GHz
L3 Cache	22.5 MB	30 MB (total)+33%
L2 Cache	2 MB (per core)	256K (per core)+12700%
Process	Intel 7 nm-68%	22 nm
Architecture	Sapphire Rapids (2023−2024)	Haswell-EP (2014−2015)
PassMark	9,969+1%	9,847

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Memory & Platform

The Xeon Bronze 3408U uses the LGA4677 socket (PCIe 4.0), while the Xeon E5-2648L V3 uses LGA2011-3 (PCIe 5.0) — making them incompatible on the same motherboard.