Xeon E5-2648L v4 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 E5-2648L v4 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 E5-2648L v4 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 E5-2648L v4

2016

Why buy it

✅Better for gaming: +3.7% higher average FPS across 50 shared CPU benchmark tests.
✅+40% larger total L3 cache (35 MB vs 25 MB).
✅Draws 75W instead of 105W, a 30W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Xeon E5-2663 V3

2014

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2648L v4 across 50 shared CPU benchmark tests.
❌Lower PassMark (11,777 vs 11,839).
❌Smaller total L3 cache (25 MB vs 35 MB).
❌40% higher power demand at 105W vs 75W.

Quick Answers

So, is Xeon E5-2648L v4 better than Xeon E5-2663 V3?

Yes. Xeon E5-2648L v4 is the better all-around CPU here. It gives you a 3.7% average FPS lead across 50 shared CPU game tests in our data, 0.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E5-2648L v4 is the better pick. According to our tests, it delivers 3.7% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon E5-2648L v4 is the stronger fit. You are getting 0.5% better PassMark, backed by 14 cores and 28 threads. It also has the larger cache pool with 40% larger total L3 cache (35 MB vs 25 MB).

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

Xeon E5-2648L v4 still makes the most sense overall. Xeon E5-2648L v4 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.7% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon E5-2648L v4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2014), 40% larger total L3 cache (35 MB vs 25 MB), and more multi-core headroom with 14 cores / 28 threads instead of 10/20. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E5-2648L v4 vs Xeon E5-2663 V3 Technical Specifications

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

Xeon E5-2648L v4

The Xeon E5-2648L v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 14 cores and 28 threads. Max frequency: 1.8 GHz. L3 cache: 35 MB. L2 cache: 3.5 MB. Built on 14 nm process technology. Thermal design power (TDP): 75 Watt. Passmark benchmark score: 11,839 points. Launch price was $1,544.

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 E5-2648L v4 packs 14 cores / 28 threads, while the Xeon E5-2663 V3 offers 10 cores / 20 threads — the Xeon E5-2648L v4 has 4 more cores. Boost clocks reach 1.8 GHz on the Xeon E5-2648L v4 versus 3.5 GHz on the Xeon E5-2663 V3 — a 64.2% clock advantage for the Xeon E5-2663 V3. The Xeon E5-2648L v4 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E5-2663 V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Xeon E5-2648L v4 scores 11,839 against the Xeon E5-2663 V3's 11,777 — a 0.5% lead for the Xeon E5-2648L v4. L3 cache: 35 MB on the Xeon E5-2648L v4 vs 25 MB (total) on the Xeon E5-2663 V3.

Feature	Xeon E5-2648L v4	Xeon E5-2663 V3
Cores / Threads	14 / 28+40%	10 / 20
Boost Clock	1.8 GHz	3.5 GHz+94%
Base Clock	—	2.8 GHz
L3 Cache	35 MB+40%	25 MB (total)
L2 Cache	3.5 MB	256K (per core)+7214%
Process	14 nm-36%	22 nm
Architecture	Broadwell (2015−2019)	Haswell-EP (2014−2015)
PassMark	11,839	11,777