Xeon E5-2650L v3 vs Xeon E5-2663 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 E5-2650L v3 vs Xeon E5-2663 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 E5-2650L v3 vs Xeon E5-2663 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 E5-2650L v3

2014

Why buy it

✅+0.7% higher PassMark.
✅+20% larger total L3 cache (30 MB vs 25 MB).
✅Draws 65W instead of 105W, a 40W reduction.
✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $1,329 MSRP, while Xeon E5-2663 V3 mostly shows up through inconsistent older-market listings.

Xeon E5-2663 V3

2014

Why buy it

Trade-offs

❌Lower PassMark (11,777 vs 11,865).
❌Smaller total L3 cache (25 MB vs 30 MB).
❌61.5% higher power demand at 105W vs 65W.

Quick Answers

So, is Xeon E5-2650L v3 better than Xeon E5-2663 V3?

It depends on what you want from the system. For gaming, Xeon E5-2663 V3 is ahead with a 2.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E5-2650L v3 pulls ahead with 0.7% better PassMark. Xeon E5-2650L v3 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 E5-2650L v3 is the stronger fit. You are getting 0.7% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 20% larger total L3 cache (30 MB vs 25 MB).

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

Xeon E5-2650L v3 is the better buy right now. Xeon E5-2650L v3 comes in at an unclear MSRP at $1,329 MSRP versus unclear MSRP, and it still gives you 0.7% better PassMark. The compromise is that Xeon E5-2663 V3 is still the better pure gaming CPU with a 2.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (8.9 vs 0.0 PassMark/$), 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 E5-2650L v3 makes more sense long term for 2026 and beyond. You are getting 20% larger total L3 cache (30 MB vs 25 MB) and more multi-core headroom with 12 cores / 24 threads instead of 10/20. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E5-2650L v3 vs Xeon E5-2663 V3 Technical Specifications

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

Xeon E5-2650L v3

The Xeon E5-2650L v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 1.8 GHz, with boost up to 2.5 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 65 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 11,865 points. Launch price was $800.

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.

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Processing Power

The Xeon E5-2650L v3 packs 12 cores / 24 threads, while the Xeon E5-2663 V3 offers 10 cores / 20 threads — the Xeon E5-2650L v3 has 2 more cores. Boost clocks reach 2.5 GHz on the Xeon E5-2650L v3 versus 3.5 GHz on the Xeon E5-2663 V3 — a 33.3% clock advantage for the Xeon E5-2663 V3 (base: 1.8 GHz vs 2.8 GHz). Both are built on the Haswell-EP (2014−2015) architecture using a 22 nm process. In PassMark, the Xeon E5-2650L v3 scores 11,865 against the Xeon E5-2663 V3's 11,777 — a 0.7% lead for the Xeon E5-2650L v3. L3 cache: 30 MB (total) on the Xeon E5-2650L v3 vs 25 MB (total) on the Xeon E5-2663 V3.

Feature	Xeon E5-2650L v3	Xeon E5-2663 V3
Cores / Threads	12 / 24+20%	10 / 20
Boost Clock	2.5 GHz	3.5 GHz+40%
Base Clock	1.8 GHz	2.8 GHz+56%
L3 Cache	30 MB (total)+20%	25 MB (total)
L2 Cache	256K (per core)	256K (per core)
Process	22 nm	22 nm
Architecture	Haswell-EP (2014−2015)	Haswell-EP (2014−2015)
PassMark	11,865	11,777

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Memory & Platform

The Xeon E5-2650L v3 uses the LGA2011 socket (PCIe 5.0), while the Xeon E5-2663 V3 uses LGA2011-3 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Xeon E5-2650L v3	Xeon E5-2663 V3
Socket	LGA2011	LGA2011-3
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR4-2133	—
Max RAM Capacity	768 GB	—
RAM Channels	4	—
ECC Support	Yes	—
PCIe Lanes	40	—

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Advanced Features

Virtualization: VT-x, VT-d (Xeon E5-2650L v3) / not specified (Xeon E5-2663 V3). Primary use case: Xeon E5-2650L v3 targets Server Low Power.