Xeon D-1557 vs Xeon E5-4655 v3

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-1557 vs Xeon E5-4655 v3 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-1557 vs Xeon E5-4655 v3: 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-1557

2016

Why buy it

✅Draws 45W instead of 135W, a 90W reduction.

Trade-offs

❌Lower PassMark (9,285 vs 9,377).
❌Smaller total L3 cache (1.5 MB vs 30 MB).

Xeon E5-4655 v3

2015

Why buy it

✅+1900% larger total L3 cache (30 MB vs 1.5 MB).

Trade-offs

❌Launch MSRP is still $623 MSRP, while Xeon D-1557 mostly shows up through inconsistent older-market listings.
❌200% higher power demand at 135W vs 45W.

Quick Answers

So, is Xeon E5-4655 v3 better than Xeon D-1557?

Yes. Xeon E5-4655 v3 is the better all-around CPU here. It gives you a 0.4% average FPS lead across 47 shared CPU game tests in our data and 1% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E5-4655 v3 is the better pick. According to our tests, it delivers 0.4% more average FPS across 47 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon E5-4655 v3 is the stronger fit. You are getting 1% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 1900% larger total L3 cache (30 MB vs 1.5 MB).

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

Xeon E5-4655 v3 is the better buy right now. Xeon E5-4655 v3 comes in at an unclear MSRP at $623 MSRP versus unclear MSRP, and it still gives you a 0.4% average FPS lead across 47 shared CPU game tests in our data. It is also 100.0% better value on MSRP (15.1 vs 0.0 PassMark/$), 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 D-1557 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2015). That makes it the safer long-term bet.

Xeon D-1557 vs Xeon E5-4655 v3 Technical Specifications

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

Xeon D-1557

The Xeon D-1557 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 12 cores and 24 threads. Base frequency is 1.5 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: 9,285 points. Launch price was $694.

Xeon E5-4655 v3

The Xeon E5-4655 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 3.2 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 135 Watt. Memory support: DDR4. Passmark benchmark score: 9,377 points. Launch price was $800.

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Processing Power

The Xeon D-1557 packs 12 cores / 24 threads, while the Xeon E5-4655 v3 offers 6 cores / 12 threads — the Xeon D-1557 has 6 more cores. Boost clocks reach 2.1 GHz on the Xeon D-1557 versus 3.2 GHz on the Xeon E5-4655 v3 — a 41.5% clock advantage for the Xeon E5-4655 v3 (base: 1.5 GHz vs 2.9 GHz). The Xeon D-1557 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E5-4655 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Xeon D-1557 scores 9,285 against the Xeon E5-4655 v3's 9,377 — a 1% lead for the Xeon E5-4655 v3. L3 cache: 1.5 MB (per core) on the Xeon D-1557 vs 30 MB (total) on the Xeon E5-4655 v3.

Feature	Xeon D-1557	Xeon E5-4655 v3
Cores / Threads	12 / 24+100%	6 / 12
Boost Clock	2.1 GHz	3.2 GHz+52%
Base Clock	1.5 GHz	2.9 GHz+93%
L3 Cache	1.5 MB (per core)	30 MB (total)+1900%
L2 Cache	256K (per core)	256K (per core)
Process	14 nm-36%	22 nm
Architecture	Broadwell (2015−2019)	Haswell-EP (2014−2015)
PassMark	9,285	9,377

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Memory & Platform

The Xeon D-1557 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon E5-4655 v3 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.