Xeon E5-2663 V3 vs Xeon E5-4657L v2

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 E5-2663 V3 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 E5-2663 V3 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 E5-2663 V3

2014

Why buy it

✅+1.4% higher PassMark.
✅Draws 105W instead of 115W, a 10W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-4657L v2 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (25 MB vs 30 MB).

Xeon E5-4657L v2

2014

Why buy it

✅Better for gaming: +3.2% higher average FPS across 50 shared CPU benchmark tests.
✅+20% larger total L3 cache (30 MB vs 25 MB).

Trade-offs

❌Lower PassMark (11,613 vs 11,777).

Quick Answers

So, is Xeon E5-2663 V3 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 3.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E5-2663 V3 pulls ahead with 1.4% better PassMark. Xeon E5-4657L v2 also has the bigger cache pool with 20% larger total L3 cache (30 MB vs 25 MB).

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

For streaming, content creation, and heavier multitasking, Xeon E5-2663 V3 is the stronger fit. You are getting 1.4% better PassMark, backed by 10 cores and 20 threads.

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

Xeon E5-2663 V3 still makes the most sense overall. Xeon E5-2663 V3 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 1.4% better PassMark.

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

Xeon E5-4657L v2 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Xeon E5-2663 V3 vs Xeon E5-4657L v2 Technical Specifications

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

Xeon E5-2663 V3

The Xeon E5-2663 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 25 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2133. Passmark benchmark score: 11,777 points. Launch price was $800.

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.

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Processing Power

The Xeon E5-2663 V3 packs 10 cores / 20 threads, while the Xeon E5-4657L v2 offers 12 cores / 24 threads — the Xeon E5-4657L v2 has 2 more cores. Boost clocks reach 3.5 GHz on the Xeon E5-2663 V3 versus 2.9 GHz on the Xeon E5-4657L v2 — a 18.8% clock advantage for the Xeon E5-2663 V3 (base: 2.8 GHz vs 2.4 GHz). The Xeon E5-2663 V3 is built on the Haswell-EP (2014−2015) architecture. In PassMark, the Xeon E5-2663 V3 scores 11,777 against the Xeon E5-4657L v2's 11,613 — a 1.4% lead for the Xeon E5-2663 V3. L3 cache: 25 MB (total) on the Xeon E5-2663 V3 vs 30 MB Intel® Smart Cache on the Xeon E5-4657L v2.

Feature	Xeon E5-2663 V3	Xeon E5-4657L v2
Cores / Threads	10 / 20	12 / 24+20%
Boost Clock	3.5 GHz+21%	2.9 GHz
Base Clock	2.8 GHz+17%	2.4 GHz
L3 Cache	25 MB (total)	30 MB Intel® Smart Cache+20%
L2 Cache	256K (per core)	—
Process	22 nm	22 nm
Architecture	Haswell-EP (2014−2015)	—
PassMark	11,777+1%	11,613

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Memory & Platform

The Xeon E5-2663 V3 uses the LGA2011-3 socket (PCIe 4.0), while the Xeon E5-4657L v2 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.