Xeon D-1540 vs Xeon W-2125

Intel

Xeon D-1540

8 Cores16 Thrd45 WWMax: 2.6 GHz2015
Similar parts
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VS
Intel

Xeon W-2125

4 Cores8 Thrd120 WWMax: 4.5 GHz2017
Similar parts
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Xeon D-1540 vs Xeon W-2125 Performance Spectrum

About PassMark

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-1540 vs Xeon W-2125 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-1540 vs Xeon W-2125: 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-1540

2015

Why buy it

  • +0.4% higher PassMark.
  • Draws 45W instead of 120W, a 75W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Xeon W-2125 across 50 shared CPU benchmark tests.
  • Smaller total L3 cache (1.5 MB vs 8.3 MB).
  • No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon W-2125

2017

Why buy it

  • Better for gaming: +7.4% higher average FPS across 50 shared CPU benchmark tests.
  • +450% larger total L3 cache (8.3 MB vs 1.5 MB).
  • 100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark (10,000 vs 10,037).
  • Launch MSRP is still $444 MSRP, while Xeon D-1540 mostly shows up through inconsistent older-market listings.
  • 166.7% higher power demand at 120W vs 45W.

Quick Answers

So, is Xeon W-2125 better than Xeon D-1540?
It depends on what you want from the system. For gaming, Xeon W-2125 is ahead with a 7.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon D-1540 pulls ahead with 0.4% better PassMark. Xeon W-2125 also has the bigger cache pool with 450% larger total L3 cache (8.3 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-1540 is the stronger fit. You are getting 0.4% better PassMark, backed by 8 cores and 16 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon W-2125 is the better buy right now. Xeon W-2125 comes in at an unclear MSRP at $444 MSRP versus unclear MSRP, and it still gives you a 7.4% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon D-1540 is still stronger for heavier multi-core work with 0.4% better PassMark. It is also 100.0% better value on MSRP (22.5 vs 0.0 PassMark/$), 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 W-2125 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2015), 450% larger total L3 cache (8.3 MB vs 1.5 MB), and AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Xeon D-1540 vs Xeon W-2125 Technical Specifications

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

Intel

Xeon D-1540

The Xeon D-1540 is manufactured by Intel. It was released in 9 March 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 8 cores and 16 threads. Base frequency is 2 GHz, with boost up to 2.6 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. Passmark benchmark score: 10,037 points. Launch price was $581.

Intel

Xeon W-2125

The Xeon W-2125 is manufactured by Intel. It was released in 29 August 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 4 cores and 8 threads. Base frequency is 4 GHz, with boost up to 4.5 GHz. L3 cache: 8.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666. Passmark benchmark score: 10,000 points. Launch price was $444.

Processing Power

The Xeon D-1540 packs 8 cores / 16 threads, while the Xeon W-2125 offers 4 cores / 8 threads — the Xeon D-1540 has 4 more cores. Boost clocks reach 2.6 GHz on the Xeon D-1540 versus 4.5 GHz on the Xeon W-2125 — a 53.5% clock advantage for the Xeon W-2125 (base: 2 GHz vs 4 GHz). The Xeon D-1540 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon W-2125 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon D-1540 scores 10,037 against the Xeon W-2125's 10,000 — a 0.4% lead for the Xeon D-1540. L3 cache: 1.5 MB (per core) on the Xeon D-1540 vs 8.25 MB (total) on the Xeon W-2125.

FeatureXeon D-1540Xeon W-2125
Cores / Threads
8 / 16+100%
4 / 8
Boost Clock
2.6 GHz
4.5 GHz+73%
Base Clock
2 GHz
4 GHz+100%
L3 Cache
1.5 MB (per core)
8.25 MB (total)+450%
L2 Cache
256K (per core)+25500%
1 MB (per core)
Process
14 nm
14 nm
Architecture
Broadwell (2015−2019)
Skylake (server) (2017−2018)
PassMark
10,037
10,000
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Memory & Platform

The Xeon D-1540 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon W-2125 uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureXeon D-1540Xeon W-2125
Socket
FCBGA1667
LGA2066
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2666
Max RAM Capacity
512 GB
RAM Channels
4
ECC Support
Yes
PCIe Lanes
48
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Advanced Features

Virtualization: not specified (Xeon D-1540) / VT-x, VT-d (Xeon W-2125). Primary use case: Xeon W-2125 targets Workstation.

FeatureXeon D-1540Xeon W-2125
Integrated GPU
No
Unlocked
No
AVX-512
Yes
Virtualization
VT-x, VT-d
Target Use
Workstation