Xeon D-1531 vs Xeon E3-1575M v5

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 E3-1575M v5 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 E3-1575M v5: 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 7,727).
❌Smaller total L3 cache (1.5 MB vs 8 MB).
❌Launch MSRP is still $2,057 MSRP, while Xeon E3-1575M v5 mostly shows up through inconsistent older-market listings.

Xeon E3-1575M v5

2016

Why buy it

✅+433.3% larger total L3 cache (8 MB vs 1.5 MB).

Trade-offs

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

Quick Answers

So, is Xeon E3-1575M v5 better than Xeon D-1531?

Yes. Xeon E3-1575M v5 is the better all-around CPU here. It gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data, 0.8% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E3-1575M v5 is the better pick. According to our tests, it delivers 0.8% 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, Xeon E3-1575M v5 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 433.3% larger total L3 cache (8 MB vs 1.5 MB).

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

Xeon E3-1575M v5 is the easy recommendation for a fresh desktop build. Xeon E3-1575M v5 comes in at an unclear MSRP at unclear MSRP versus $2,057 MSRP, and it still gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data. 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 E3-1575M v5 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2015), 433.3% larger total L3 cache (8 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 E3-1575M v5 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 E3-1575M v5

The Xeon E3-1575M v5 is manufactured by Intel. It was released in 24 January 2016 (9 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 3 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 7,727 points. Launch price was $1,207.

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Processing Power

The Xeon D-1531 packs 6 cores / 12 threads, while the Xeon E3-1575M v5 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 3.9 GHz on the Xeon E3-1575M v5 — a 36.4% clock advantage for the Xeon E3-1575M v5 (base: 2.2 GHz vs 3 GHz). The Xeon D-1531 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E3-1575M v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Xeon D-1531 scores 7,668 against the Xeon E3-1575M v5's 7,727 — a 0.8% lead for the Xeon E3-1575M v5. L3 cache: 1.5 MB (per core) on the Xeon D-1531 vs 8 MB (total) on the Xeon E3-1575M v5.

Feature	Xeon D-1531	Xeon E3-1575M v5
Cores / Threads	6 / 12+50%	4 / 8
Boost Clock	2.7 GHz	3.9 GHz+44%
Base Clock	2.2 GHz	3 GHz+36%
L3 Cache	1.5 MB (per core)	8 MB (total)+433%
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Broadwell (2015−2019)	Skylake-H (2015−2016)
PassMark	7,668	7,727

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Memory & Platform

The Xeon D-1531 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon E3-1575M v5 uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.