Xeon D-1531 vs Xeon D-1813NT

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-1531 vs Xeon D-1813NT 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-1531 vs Xeon D-1813NT: 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-1531

2015

Why buy it

Trade-offs

❌Lower PassMark (7,668 vs 7,732).
❌Smaller total L3 cache (1.5 MB vs 10 MB).
❌Launch MSRP is still $2,057 MSRP, while Xeon D-1813NT mostly shows up through inconsistent older-market listings.

Xeon D-1813NT

2023

Why buy it

✅+0.8% higher PassMark.
✅+566.7% larger total L3 cache (10 MB vs 1.5 MB).
✅Draws 42W instead of 45W, a 3W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Xeon D-1813NT better than Xeon D-1531?

It depends on what you want from the system. For gaming, Xeon D-1531 is ahead with a 2.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon D-1813NT pulls ahead with 0.8% better PassMark. Xeon D-1813NT also has the bigger cache pool with 566.7% larger total L3 cache (10 MB vs 1.5 MB).

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

For streaming, content creation, and heavier multitasking, Xeon D-1813NT is the stronger fit. You are getting 0.8% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 566.7% larger total L3 cache (10 MB vs 1.5 MB).

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

Xeon D-1813NT is the easy recommendation for a fresh desktop build. Xeon D-1813NT comes in at an unclear MSRP at unclear MSRP versus $2,057 MSRP, and it still gives you 0.8% better PassMark. Xeon D-1531 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games.

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

Xeon D-1813NT makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2015), 566.7% larger total L3 cache (10 MB vs 1.5 MB), and more multi-core headroom with 4 cores / 8 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon D-1531 vs Xeon D-1813NT Technical Specifications

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

Xeon D-1531

The Xeon D-1531 is manufactured by Intel. It was released in 1 November 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 6 cores and 12 threads. Base frequency is 2.2 GHz, with boost up to 2.7 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 7,668 points. Launch price was $348.

Xeon D-1813NT

The Xeon D-1813NT is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 2.4 GHz. L3 cache: 10240 kB. Socket: FCBGA2227. Thermal design power (TDP): 42 Watt. Memory support: DDR4. Passmark benchmark score: 7,732 points. Launch price was $800.

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Processing Power

The Xeon D-1531 packs 6 cores / 12 threads, while the Xeon D-1813NT offers 4 cores / 8 threads — the Xeon D-1531 has 2 more cores. Boost clocks reach 2.7 GHz on the Xeon D-1531 versus 2.4 GHz on the Xeon D-1813NT — a 11.8% clock advantage for the Xeon D-1531 (base: 2.2 GHz vs 2.2 GHz). The Xeon D-1531 is built on the Broadwell (2015−2019) architecture. In PassMark, the Xeon D-1531 scores 7,668 against the Xeon D-1813NT's 7,732 — a 0.8% lead for the Xeon D-1813NT. L3 cache: 1.5 MB (per core) on the Xeon D-1531 vs 10240 kB on the Xeon D-1813NT.

Feature	Xeon D-1531	Xeon D-1813NT
Cores / Threads	6 / 12+50%	4 / 8
Boost Clock	2.7 GHz+13%	2.4 GHz
Base Clock	2.2 GHz	2.2 GHz
L3 Cache	1.5 MB (per core)	10240 kB+567%
L2 Cache	256K (per core)	—
Process	14 nm	—
Architecture	Broadwell (2015−2019)	—
PassMark	7,668	7,732

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Memory & Platform

The Xeon D-1531 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon D-1813NT uses FCBGA2227 (PCIe 4.0) — making them incompatible on the same motherboard.