Xeon D-1577 vs Xeon E5-4657L v2

Intel

Xeon D-1577

16 Cores32 Thrd45 WWMax: 2.1 GHz2016
Similar parts
·······
VS
Intel

Xeon E5-4657L v2

12 Cores24 Thrd115 WWMax: 2.9 GHz2014
Similar parts
·······

Xeon D-1577 vs Xeon E5-4657L v2 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-1577 vs Xeon E5-4657L v2 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-1577 vs Xeon E5-4657L v2: 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-1577

2016

Why buy it

  • +0.3% higher PassMark.
  • Draws 45W instead of 115W, a 70W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Xeon E5-4657L v2 across 50 shared CPU benchmark tests.
  • Smaller total L3 cache (1.5 MB vs 30 MB).

Xeon E5-4657L v2

2014

Why buy it

  • Better for gaming: +5.2% higher average FPS across 50 shared CPU benchmark tests.
  • +1900% larger total L3 cache (30 MB vs 1.5 MB).

Trade-offs

  • Lower PassMark (11,613 vs 11,645).
  • 155.6% higher power demand at 115W vs 45W.

Quick Answers

So, is Xeon D-1577 better than Xeon E5-4657L v2?
It depends on what you want from the system. For gaming, Xeon E5-4657L v2 is ahead with a 5.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon D-1577 pulls ahead with 0.3% better PassMark. Xeon E5-4657L v2 also has the bigger cache pool with 1900% larger total L3 cache (30 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-1577 is the stronger fit. You are getting 0.3% better PassMark, backed by 16 cores and 32 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon D-1577 still makes the most sense overall. Xeon D-1577 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.3% better PassMark.
Which one is more future-proof for 2026 and beyond?
Xeon D-1577 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2014) and more multi-core headroom with 16 cores / 32 threads instead of 12/24. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon D-1577 vs Xeon E5-4657L v2 Technical Specifications

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

Intel

Xeon D-1577

The Xeon D-1577 is manufactured by Intel. It was released in 24 February 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 16 cores and 32 threads. Base frequency is 1.3 GHz, with boost up to 2.1 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: 11,645 points. Launch price was $1,176.

Intel

Xeon E5-4657L v2

The Xeon E5-4657L v2 is manufactured by Intel. It was released in 2015-01-01. It features 12 cores and 24 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 30 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 115 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866. Passmark benchmark score: 11,613 points. Launch price was $800.

Processing Power

The Xeon D-1577 packs 16 cores / 32 threads, while the Xeon E5-4657L v2 offers 12 cores / 24 threads — the Xeon D-1577 has 4 more cores. Boost clocks reach 2.1 GHz on the Xeon D-1577 versus 2.9 GHz on the Xeon E5-4657L v2 — a 32% clock advantage for the Xeon E5-4657L v2 (base: 1.3 GHz vs 2.4 GHz). The Xeon D-1577 is built on the Broadwell (2015−2019) architecture. In PassMark, the Xeon D-1577 scores 11,645 against the Xeon E5-4657L v2's 11,613 — a 0.3% lead for the Xeon D-1577. L3 cache: 1.5 MB (per core) on the Xeon D-1577 vs 30 MB Intel® Smart Cache on the Xeon E5-4657L v2.

FeatureXeon D-1577Xeon E5-4657L v2
Cores / Threads
16 / 32+33%
12 / 24
Boost Clock
2.1 GHz
2.9 GHz+38%
Base Clock
1.3 GHz
2.4 GHz+85%
L3 Cache
1.5 MB (per core)
30 MB Intel® Smart Cache+1900%
L2 Cache
256K (per core)
Process
14 nm-36%
22 nm
Architecture
Broadwell (2015−2019)
PassMark
11,645
11,613
🧠

Memory & Platform

The Xeon D-1577 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon E5-4657L v2 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.

FeatureXeon D-1577Xeon E5-4657L v2
Socket
FCBGA1667
LGA2011
PCIe Generation
PCIe 3.0
PCIe 5.0+67%