Xeon D-1581 vs Xeon E-2136

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-1581 vs Xeon E-2136 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-1581 vs Xeon E-2136: 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-1581

2016

Why buy it

✅+0.2% higher PassMark.
✅Draws 65W instead of 80W, a 15W reduction.

Trade-offs

❌Smaller total L3 cache (1.5 MB vs 12 MB).
❌Launch MSRP is still $400 MSRP, while Xeon E-2136 mostly shows up through inconsistent older-market listings.

Xeon E-2136

2018

Why buy it

✅+700% larger total L3 cache (12 MB vs 1.5 MB).

Trade-offs

❌Lower PassMark (13,150 vs 13,173).
❌23.1% higher power demand at 80W vs 65W.

Quick Answers

So, is Xeon D-1581 better than Xeon E-2136?

It depends on what you want from the system. For gaming, Xeon E-2136 is ahead with a 2.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon D-1581 pulls ahead with 0.2% better PassMark. Xeon E-2136 also has the bigger cache pool with 700% larger total L3 cache (12 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-1581 is the stronger fit. You are getting 0.2% better PassMark, backed by 16 cores and 32 threads.

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

Xeon D-1581 is the better buy right now. Xeon D-1581 comes in at an unclear MSRP at $400 MSRP versus unclear MSRP, and it still gives you 0.2% better PassMark. The compromise is that Xeon E-2136 is still the better pure gaming CPU with a 2.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (32.9 vs 0.0 PassMark/$), 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 E-2136 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2016) and 700% larger total L3 cache (12 MB vs 1.5 MB). That makes it the safer long-term bet.

Xeon D-1581 vs Xeon E-2136 Technical Specifications

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

Xeon D-1581

The Xeon D-1581 is manufactured by Intel. It was released in 2015-01-01. It is based on the Broadwell (2015−2019) architecture. It features 16 cores and 32 threads. Base frequency is 1.8 GHz, with boost up to 2.4 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): 65 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 13,173 points. Launch price was $800.

Xeon E-2136

The Xeon E-2136 is manufactured by Intel. It was released in 12 July 2018 (7 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 4.5 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2666. Passmark benchmark score: 13,150 points. Launch price was $289.

⚡

Processing Power

The Xeon D-1581 packs 16 cores / 32 threads, while the Xeon E-2136 offers 6 cores / 12 threads — the Xeon D-1581 has 10 more cores. Boost clocks reach 2.4 GHz on the Xeon D-1581 versus 4.5 GHz on the Xeon E-2136 — a 60.9% clock advantage for the Xeon E-2136 (base: 1.8 GHz vs 3.3 GHz). The Xeon D-1581 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E-2136 uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Xeon D-1581 scores 13,173 against the Xeon E-2136's 13,150 — a 0.2% lead for the Xeon D-1581. L3 cache: 1.5 MB (per core) on the Xeon D-1581 vs 12 MB (total) on the Xeon E-2136.

Feature	Xeon D-1581	Xeon E-2136
Cores / Threads	16 / 32+167%	6 / 12
Boost Clock	2.4 GHz	4.5 GHz+88%
Base Clock	1.8 GHz	3.3 GHz+83%
L3 Cache	1.5 MB (per core)	12 MB (total)+700%
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Broadwell (2015−2019)	Coffee Lake-S WS (2018−2019)
PassMark	13,173	13,150

🧠

Memory & Platform

The Xeon D-1581 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon E-2136 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.