Xeon E3-1505L v5 vs Xeon Platinum 8260L

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 E3-1505L v5 vs Xeon Platinum 8260L 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 E3-1505L v5 vs Xeon Platinum 8260L: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Xeon E3-1505L v5

2015

Why buy it

✅Draws 25W instead of 165W, a 140W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Platinum 8260L across 50 shared CPU benchmark tests.
❌Lower PassMark (5,083 vs 5,103).
❌Smaller total L3 cache (8 MB vs 36 MB).

Xeon Platinum 8260L

2019

Why buy it

✅Better for gaming: +20.3% higher average FPS across 50 shared CPU benchmark tests.
✅+346.9% larger total L3 cache (36 MB vs 8 MB).
✅100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $7,500 MSRP, while Xeon E3-1505L v5 mostly shows up through inconsistent older-market listings.
❌560% higher power demand at 165W vs 25W.

Quick Answers

So, is Xeon Platinum 8260L better than Xeon E3-1505L v5?

Yes. Xeon Platinum 8260L is the better all-around CPU here. It gives you a 20.3% average FPS lead across 50 shared CPU game tests in our data, 0.4% 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 Platinum 8260L is the better pick. According to our tests, it delivers 20.3% 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 Platinum 8260L is the stronger fit. You are getting 0.4% better PassMark, backed by 24 cores and 48 threads. It also has the larger cache pool with 346.9% larger total L3 cache (36 MB vs 8 MB).

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

Xeon Platinum 8260L is the better buy right now. Xeon Platinum 8260L comes in at an unclear MSRP at $7,500 MSRP versus unclear MSRP, and it still gives you a 20.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (0.7 vs 0.0 PassMark/$), 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 Platinum 8260L makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2015), 346.9% larger total L3 cache (36 MB vs 8 MB), and more multi-core headroom with 24 cores / 48 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E3-1505L v5 vs Xeon Platinum 8260L Technical Specifications

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

Xeon E3-1505L v5

The Xeon E3-1505L v5 is manufactured by Intel. It was released in 27 October 2015 (10 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 2.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 25 Watt. Memory support: LPDDR3-1866. Passmark benchmark score: 5,083 points. Launch price was $433.

Xeon Platinum 8260L

The Xeon Platinum 8260L is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 24 cores and 48 threads. Base frequency is 2.4 GHz, with boost up to 3.9 GHz. L3 cache: 35.75 MB. L2 cache: 24 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 5,103 points. Launch price was $12,599.

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Processing Power

The Xeon E3-1505L v5 packs 4 cores / 8 threads, while the Xeon Platinum 8260L offers 24 cores / 48 threads — the Xeon Platinum 8260L has 20 more cores. Boost clocks reach 2.8 GHz on the Xeon E3-1505L v5 versus 3.9 GHz on the Xeon Platinum 8260L — a 32.8% clock advantage for the Xeon Platinum 8260L (base: 2 GHz vs 2.4 GHz). The Xeon E3-1505L v5 uses the Skylake-H (2015−2016) architecture (14 nm), while the Xeon Platinum 8260L uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Xeon E3-1505L v5 scores 5,083 against the Xeon Platinum 8260L's 5,103 — a 0.4% lead for the Xeon Platinum 8260L. L3 cache: 8 MB (total) on the Xeon E3-1505L v5 vs 35.75 MB on the Xeon Platinum 8260L.

Feature	Xeon E3-1505L v5	Xeon Platinum 8260L
Cores / Threads	4 / 8	24 / 48+500%
Boost Clock	2.8 GHz	3.9 GHz+39%
Base Clock	2 GHz	2.4 GHz+20%
L3 Cache	8 MB (total)	35.75 MB+347%
L2 Cache	256 kB (per core)	24 MB+9500%
Process	14 nm	14 nm
Architecture	Skylake-H (2015−2016)	Cascade Lake (2019−2020)
PassMark	5,083	5,103

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Memory & Platform

The Xeon E3-1505L v5 uses the BGA1440 socket (PCIe 3.0), while the Xeon Platinum 8260L uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.