Core Ultra 7 155U vs Xeon E5-2669 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.

Core Ultra 7 155U vs Xeon E5-2669 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.

Core Ultra 7 155U vs Xeon E5-2669 V3: Pros, Cons & Final Verdict

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

Core Ultra 7 155U

2023

Why buy it

✅Better for gaming: +13.7% higher average FPS across 50 shared CPU benchmark tests.
✅Newer platform on FCBGA2049 with DDR5 support instead of LGA2011-3 and DDR4.

Trade-offs

❌Smaller total L3 cache (12 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E5-2669 V3, which brings 12 cores / 24 threads.

Xeon E5-2669 V3

2015

Why buy it

✅+150% larger total L3 cache (30 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 155U across 50 shared CPU benchmark tests.
❌Lower PassMark (16,107 vs 16,185).
❌Older platform position on LGA2011-3 with DDR4, while Core Ultra 7 155U moves to FCBGA2049 and DDR5.

Quick Answers

So, is Core Ultra 7 155U better than Xeon E5-2669 V3?

Not really, because they are built for different jobs. Xeon E5-2669 V3 makes more sense for workstation-style multi-core throughput, while Core Ultra 7 155U is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core Ultra 7 155U is the better pick. According to our tests, it delivers 13.7% 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, Core Ultra 7 155U is the stronger fit. You are getting 0.5% better PassMark, backed by 12 cores and 14 threads.

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

Core Ultra 7 155U still makes the most sense overall. Core Ultra 7 155U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 13.7% average FPS lead across 50 shared CPU game tests in our data.

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

Core Ultra 7 155U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2015), a healthier platform with FCBGA2049 and DDR5 instead of LGA2011-3, and more multi-core headroom with 12 cores / 14 threads instead of 12/24. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 7 155U vs Xeon E5-2669 V3 Technical Specifications

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

Core Ultra 7 155U

The Core Ultra 7 155U is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-P (2023) architecture. It features 12 cores and 14 threads. Base frequency is 1.7 GHz, with boost up to 4.8 GHz. L3 cache: 12 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 12 MB. Memory support: DDR5. Passmark benchmark score: 16,185 points. Launch price was $490.

Xeon E5-2669 V3

The Xeon E5-2669 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 2.3 GHz, with boost up to 3.1 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 120 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 16,107 points. Launch price was $800.

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Processing Power

The Core Ultra 7 155U packs 12 cores / 14 threads, matching the Xeon E5-2669 V3's 12 cores. Boost clocks reach 4.8 GHz on the Core Ultra 7 155U versus 3.1 GHz on the Xeon E5-2669 V3 — a 43% clock advantage for the Core Ultra 7 155U (base: 1.7 GHz vs 2.3 GHz). The Core Ultra 7 155U uses the Meteor Lake-P (2023) architecture (7 nm), while the Xeon E5-2669 V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core Ultra 7 155U scores 16,185 against the Xeon E5-2669 V3's 16,107 — a 0.5% lead for the Core Ultra 7 155U. L3 cache: 12 MB (total) on the Core Ultra 7 155U vs 30 MB (total) on the Xeon E5-2669 V3.

Feature	Core Ultra 7 155U	Xeon E5-2669 V3
Cores / Threads	12 / 14	12 / 24
Boost Clock	4.8 GHz+55%	3.1 GHz
Base Clock	1.7 GHz	2.3 GHz+35%
L3 Cache	12 MB (total)	30 MB (total)+150%
L2 Cache	2 MB (per core)	256K (per core)+12700%
Process	7 nm-68%	22 nm
Architecture	Meteor Lake-P (2023)	Haswell-EP (2014−2015)
PassMark	16,185	16,107

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Memory & Platform

The Core Ultra 7 155U uses the FCBGA2049 socket (PCIe 5.0), while the Xeon E5-2669 V3 uses LGA2011-3 (PCIe 3.0) — making them incompatible on the same motherboard.