Xeon D-2766NT vs Xeon W-1390

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 D-2766NT vs Xeon W-1390 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 D-2766NT vs Xeon W-1390: Pros, Cons & Final Verdict

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

Xeon D-2766NT

2022

Why buy it

✅+0.5% higher PassMark.
✅+25% larger total L3 cache (20 MB vs 16 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-1390 across 50 shared CPU benchmark tests.
❌21.3% higher power demand at 97W vs 80W.

Xeon W-1390

2021

Why buy it

✅Better for gaming: +9.4% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 80W instead of 97W, a 17W reduction.

Trade-offs

❌Lower PassMark (23,902 vs 24,013).
❌Smaller total L3 cache (16 MB vs 20 MB).
❌Launch MSRP is still $494 MSRP, while Xeon D-2766NT mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Xeon W-1390 better than Xeon D-2766NT?

It depends on what you want from the system. For gaming, Xeon W-1390 is ahead with a 9.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon D-2766NT pulls ahead with 0.5% better PassMark. Xeon D-2766NT also has the bigger cache pool with 25% larger total L3 cache (20 MB vs 16 MB).

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

For streaming, content creation, and heavier multitasking, Xeon D-2766NT is the stronger fit. You are getting 0.5% better PassMark, backed by 14 cores and 28 threads. It also has the larger cache pool with 25% larger total L3 cache (20 MB vs 16 MB).

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

Xeon W-1390 is the better buy right now. Xeon W-1390 comes in at an unclear MSRP at $494 MSRP versus unclear MSRP, and it still gives you a 9.4% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon D-2766NT is still stronger for heavier multi-core work with 0.5% better PassMark. It is also 100.0% better value on MSRP (48.4 vs 0.0 PassMark/$), 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 D-2766NT makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2021), 25% larger total L3 cache (20 MB vs 16 MB), and more multi-core headroom with 14 cores / 28 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon D-2766NT vs Xeon W-1390 Technical Specifications

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

Xeon D-2766NT

The Xeon D-2766NT is manufactured by Intel. It was released in 2015-01-01. It features 14 cores and 28 threads. Base frequency is 2 GHz, with boost up to 3.1 GHz. L3 cache: 20 MB. Built on 10 nm process technology. Socket: FCBGA2579. Thermal design power (TDP): 97 Watt. Memory support: DDR4. Passmark benchmark score: 24,013 points. Launch price was $800.

Xeon W-1390

The Xeon W-1390 is manufactured by Intel. It was released in 6 May 2021 (4 years ago). It is based on the Rocket Lake-S (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 80 Watt. Memory support: DDR4-3200. Passmark benchmark score: 23,902 points. Launch price was $494.

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Processing Power

The Xeon D-2766NT packs 14 cores / 28 threads, while the Xeon W-1390 offers 8 cores / 16 threads — the Xeon D-2766NT has 6 more cores. Boost clocks reach 3.1 GHz on the Xeon D-2766NT versus 5.1 GHz on the Xeon W-1390 — a 48.8% clock advantage for the Xeon W-1390 (base: 2 GHz vs 2.8 GHz). The Xeon W-1390 is built on the Rocket Lake-S (2021) architecture. In PassMark, the Xeon D-2766NT scores 24,013 against the Xeon W-1390's 23,902 — a 0.5% lead for the Xeon D-2766NT. L3 cache: 20 MB on the Xeon D-2766NT vs 16 MB (total) on the Xeon W-1390.

Feature	Xeon D-2766NT	Xeon W-1390
Cores / Threads	14 / 28+75%	8 / 16
Boost Clock	3.1 GHz	5.1 GHz+65%
Base Clock	2 GHz	2.8 GHz+40%
L3 Cache	20 MB+25%	16 MB (total)
L2 Cache	—	512 kB (per core)
Process	10 nm-29%	14 nm
Architecture	—	Rocket Lake-S (2021)
PassMark	24,013	23,902

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Memory & Platform

The Xeon D-2766NT uses the FCBGA2579 socket (PCIe 4.0), while the Xeon W-1390 uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.