Xeon D-1531 vs Xeon E3-1545M 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 E3-1545M 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 E3-1545M 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

✅+0.4% higher PassMark.

Trade-offs

❌Smaller total L3 cache (1.5 MB vs 8 MB).
❌Lower PassMark per dollar, at 3.7 vs 13.1 PassMark/$ ($2,057 MSRP vs $581 MSRP).

Xeon E3-1545M v5

2016

Why buy it

✅+433.3% larger total L3 cache (8 MB vs 1.5 MB).
✅Costs $1,476 less on MSRP ($581 MSRP vs $2,057 MSRP).
✅Delivers 252.8% more PassMark for each dollar spent, at 13.1 vs 3.7 PassMark/$ ($581 MSRP vs $2,057 MSRP).

Trade-offs

❌Lower PassMark (7,640 vs 7,668).

Quick Answers

So, is Xeon E3-1545M v5 better than Xeon D-1531?

It depends on what you want from the system. For gaming, Xeon E3-1545M v5 is ahead with a 1.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon D-1531 pulls ahead with 0.4% better PassMark. Xeon E3-1545M v5 also has the bigger cache pool with 433.3% larger total L3 cache (8 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-1531 is the stronger fit. You are getting 0.4% better PassMark, backed by 6 cores and 12 threads.

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

Xeon E3-1545M v5 is the better buy right now. Xeon E3-1545M v5 comes in $1,476 cheaper on MSRP at $581 MSRP versus $2,057 MSRP, and it still gives you a 1.9% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon D-1531 is still stronger for heavier multi-core work with 0.4% better PassMark. It is also 252.8% better value on MSRP (13.1 vs 3.7 PassMark/$), 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 E3-1545M v5 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2015) and 433.3% larger total L3 cache (8 MB vs 1.5 MB). That makes it the safer long-term bet.

Xeon D-1531 vs Xeon E3-1545M 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 E3-1545M v5

The Xeon E3-1545M 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 2.9 GHz, with boost up to 3.8 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: 7,640 points. Launch price was $679.

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Processing Power

The Xeon D-1531 packs 6 cores / 12 threads, while the Xeon E3-1545M 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 3.8 GHz on the Xeon E3-1545M v5 — a 33.8% clock advantage for the Xeon E3-1545M v5 (base: 2.2 GHz vs 2.9 GHz). The Xeon D-1531 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E3-1545M v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Xeon D-1531 scores 7,668 against the Xeon E3-1545M v5's 7,640 — a 0.4% lead for the Xeon D-1531. L3 cache: 1.5 MB (per core) on the Xeon D-1531 vs 8 MB (total) on the Xeon E3-1545M v5.

Feature	Xeon D-1531	Xeon E3-1545M v5
Cores / Threads	6 / 12+50%	4 / 8
Boost Clock	2.7 GHz	3.8 GHz+41%
Base Clock	2.2 GHz	2.9 GHz+32%
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	7,640

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Memory & Platform

The Xeon D-1531 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon E3-1545M v5 uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Xeon D-1531	Xeon E3-1545M v5
Socket	FCBGA1667	BGA1440
PCIe Generation	PCIe 3.0	PCIe 3.0

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Value Analysis

At launch, the Xeon D-1531 was priced at $2057, while the Xeon E3-1545M v5 came in at $581. On launch pricing ($2057 vs $581), Xeon E3-1545M v5 was $1476 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon D-1531 delivers 3.7 pts/$ vs 13.1 pts/$ for the Xeon E3-1545M v5 — making the Xeon E3-1545M v5 the 111.7% better value option.

Feature	Xeon D-1531	Xeon E3-1545M v5
MSRP	$2057	$581-72%
Performance per Dollar	3.7	13.1+254%
Release Date	2015	2016

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