Xeon Bronze 3508U vs Xeon E5-2640 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 3508U vs Xeon E5-2640 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 3508U vs Xeon E5-2640 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 3508U

2023

Why buy it

✅+1.7% higher PassMark.
✅Newer platform on LGA4677 with DDR5 support instead of LGA2011 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2640 v3 across 50 shared CPU benchmark tests.
❌38.9% higher power demand at 125W vs 90W.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon E5-2640 v3

2014

Why buy it

✅Better for gaming: +6.6% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 90W instead of 125W, a 35W reduction.
✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (11,055 vs 11,248).
❌Launch MSRP is still $939 MSRP, while Xeon Bronze 3508U mostly shows up through inconsistent older-market listings.
❌Older platform position on LGA2011 with DDR4, while Xeon Bronze 3508U moves to LGA4677 and DDR5.

Quick Answers

So, is Xeon E5-2640 v3 better than Xeon Bronze 3508U?

It depends on what you want from the system. For gaming, Xeon E5-2640 v3 is ahead with a 6.6% 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 1.7% better PassMark.

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 1.7% better PassMark, backed by 8 cores and 8 threads.

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

Xeon E5-2640 v3 is the better buy right now. Xeon E5-2640 v3 comes in at an unclear MSRP at $939 MSRP versus unclear MSRP, and it still gives you a 6.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Bronze 3508U is still stronger for heavier multi-core work with 1.7% better PassMark. It is also 100.0% better value on MSRP (11.8 vs 0.0 PassMark/$), 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 Bronze 3508U 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, 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 E5-2640 v3 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 E5-2640 v3

The Xeon E5-2640 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 8 cores and 16 threads. Base frequency is 2.6 GHz, with boost up to 3.4 GHz. L3 cache: 20 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 90 Watt. Memory support: DDR4-1600, DDR4-1866. Passmark benchmark score: 11,055 points. Launch price was $800.

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Processing Power

The Xeon Bronze 3508U packs 8 cores / 8 threads, matching the Xeon E5-2640 v3's 8 cores. Boost clocks reach 2.2 GHz on the Xeon Bronze 3508U versus 3.4 GHz on the Xeon E5-2640 v3 — a 42.9% clock advantage for the Xeon E5-2640 v3 (base: 2.1 GHz vs 2.6 GHz). The Xeon E5-2640 v3 is built on the Haswell-EP (2014−2015) architecture. In PassMark, the Xeon Bronze 3508U scores 11,248 against the Xeon E5-2640 v3's 11,055 — a 1.7% lead for the Xeon Bronze 3508U. L3 cache: 22.5 MB on the Xeon Bronze 3508U vs 20 MB (total) on the Xeon E5-2640 v3.

Feature	Xeon Bronze 3508U	Xeon E5-2640 v3
Cores / Threads	8 / 8	8 / 16
Boost Clock	2.2 GHz	3.4 GHz+55%
Base Clock	2.1 GHz	2.6 GHz+24%
L3 Cache	22.5 MB+13%	20 MB (total)
L2 Cache	—	256K (per core)
Process	Intel 7 nm-68%	22 nm
Architecture	—	Haswell-EP (2014−2015)
PassMark	11,248+2%	11,055

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Memory & Platform

The Xeon Bronze 3508U uses the LGA4677 socket (PCIe 4.0), while the Xeon E5-2640 v3 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Xeon Bronze 3508U	Xeon E5-2640 v3
Socket	LGA4677	LGA2011
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	—	DDR4-1866
Max RAM Capacity	—	768 GB
RAM Channels	—	4
ECC Support	—	Yes
PCIe Lanes	—	40