Xeon D-1527 vs Xeon E3-1505L 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-1527 vs Xeon E3-1505L 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-1527 vs Xeon E3-1505L 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-1527

2015

Why buy it

✅Better for gaming: +6.1% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Smaller total L3 cache (1.5 MB vs 8 MB).
❌40% higher power demand at 35W vs 25W.

Xeon E3-1505L v5

2015

Why buy it

✅+433.3% larger total L3 cache (8 MB vs 1.5 MB).
✅Draws 25W instead of 35W, a 10W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon D-1527 across 50 shared CPU benchmark tests.
❌Lower PassMark (5,083 vs 5,137).

Quick Answers

So, is Xeon D-1527 better than Xeon E3-1505L v5?

Yes. Xeon D-1527 is the better all-around CPU here. It gives you a 6.1% average FPS lead across 50 shared CPU game tests in our data, 1.1% 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 D-1527 is the better pick. According to our tests, it delivers 6.1% 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 D-1527 is the stronger fit. You are getting 1.1% better PassMark, backed by 4 cores and 8 threads.

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

Xeon D-1527 still makes the most sense overall. Xeon D-1527 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 6.1% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon D-1527 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon D-1527 vs Xeon E3-1505L v5 Technical Specifications

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

Xeon D-1527

The Xeon D-1527 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 4 cores and 8 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): 35 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 5,137 points. Launch price was $213.

Xeon E3-1505L v5

The Xeon E3-1505L v5 is manufactured by Intel. It was released in 27 October 2015 (10 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 2.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 25 Watt. Memory support: LPDDR3-1866. Passmark benchmark score: 5,083 points. Launch price was $433.

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Processing Power

Both the Xeon D-1527 and Xeon E3-1505L v5 share an identical 4-core/8-thread configuration. Boost clocks reach 2.7 GHz on the Xeon D-1527 versus 2.8 GHz on the Xeon E3-1505L v5 — a 3.6% clock advantage for the Xeon E3-1505L v5 (base: 2.2 GHz vs 2 GHz). The Xeon D-1527 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E3-1505L v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Xeon D-1527 scores 5,137 against the Xeon E3-1505L v5's 5,083 — a 1.1% lead for the Xeon D-1527. L3 cache: 1.5 MB (per core) on the Xeon D-1527 vs 8 MB (total) on the Xeon E3-1505L v5.

Feature	Xeon D-1527	Xeon E3-1505L v5
Cores / Threads	4 / 8	4 / 8
Boost Clock	2.7 GHz	2.8 GHz+4%
Base Clock	2.2 GHz+10%	2 GHz
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	5,137+1%	5,083

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Memory & Platform

The Xeon D-1527 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon E3-1505L v5 uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.