Xeon E3-1505L v6 vs Xeon E3-1515M v5

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 v6 vs Xeon E3-1515M v5 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 v6 vs Xeon E3-1515M v5: 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 v6

2017

Why buy it

✅Draws 25W instead of 45W, a 20W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E3-1515M v5 across 47 shared CPU benchmark tests.
❌Lower PassMark (5,882 vs 5,925).
❌No integrated graphics, while Xeon E3-1515M v5 can still boot and troubleshoot without a discrete GPU.

Xeon E3-1515M v5

2016

Why buy it

✅Better for gaming: +4.5% higher average FPS across 47 shared CPU benchmark tests.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Iris Pro Graphics P580, while Xeon E3-1505L v6 needs a discrete GPU.

Trade-offs

❌80% higher power demand at 45W vs 25W.

Quick Answers

So, is Xeon E3-1515M v5 better than Xeon E3-1505L v6?

Yes. Xeon E3-1515M v5 is the better all-around CPU here. It gives you a 4.5% average FPS lead across 47 shared CPU game tests in our data and 0.7% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E3-1515M v5 is the better pick. According to our tests, it delivers 4.5% 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 E3-1515M v5 is the stronger fit. You are getting 0.7% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E3-1515M v5 still makes the most sense overall. Xeon E3-1515M v5 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 4.5% average FPS lead across 47 shared CPU game tests in our data.

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

Xeon E3-1505L v6 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2016). That makes it the safer long-term bet.

Xeon E3-1505L v6 vs Xeon E3-1515M v5 Technical Specifications

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

Xeon E3-1505L v6

The Xeon E3-1505L v6 is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Max frequency: 2.2 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Thermal design power (TDP): 25 Watt. Memory support: DDR3L-1600. Passmark benchmark score: 5,882 points. Launch price was $433.

Xeon E3-1515M v5

The Xeon E3-1515M v5 is manufactured by Intel. It was released in 24 January 2016 (9 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 5,925 points. Launch price was $489.

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Processing Power

Both the Xeon E3-1505L v6 and Xeon E3-1515M v5 share an identical 4-core/8-thread configuration. Boost clocks reach 2.2 GHz on the Xeon E3-1505L v6 versus 3.7 GHz on the Xeon E3-1515M v5 — a 50.8% clock advantage for the Xeon E3-1515M v5. The Xeon E3-1505L v6 uses the Kaby Lake (2016−2019) architecture (14 nm), while the Xeon E3-1515M v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Xeon E3-1505L v6 scores 5,882 against the Xeon E3-1515M v5's 5,925 — a 0.7% lead for the Xeon E3-1515M v5. L3 cache: 8 MB on the Xeon E3-1505L v6 vs 8 MB (total) on the Xeon E3-1515M v5.

Feature	Xeon E3-1505L v6	Xeon E3-1515M v5
Cores / Threads	4 / 8	4 / 8
Boost Clock	2.2 GHz	3.7 GHz+68%
Base Clock	—	2.8 GHz
L3 Cache	8 MB	8 MB (total)
L2 Cache	1 MB+300%	256 kB (per core)
Process	14 nm	14 nm
Architecture	Kaby Lake (2016−2019)	Skylake-H (2015−2016)
PassMark	5,882	5,925
Geekbench 6 Single	—	1,017

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Advanced Features

Virtualization: not specified (Xeon E3-1505L v6) / VT-x, VT-d, EPT (Xeon E3-1515M v5). The Xeon E3-1515M v5 includes integrated graphics (Iris Pro Graphics P580), while the Xeon E3-1505L v6 requires a dedicated GPU. Primary use case: Xeon E3-1515M v5 targets Productivity. Direct competitor: Xeon E3-1515M v5 rivals Core i7-6700HQ.