Xeon E3-1285L v3 vs Xeon E5-2623 v4

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 E3-1285L v3 vs Xeon E5-2623 v4 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 E3-1285L v3 vs Xeon E5-2623 v4: Pros, Cons & Final Verdict

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

Xeon E3-1285L v3

2013

Why buy it

✅Draws 65W instead of 85W, a 20W reduction.

Trade-offs

❌Smaller total L3 cache (8 MB vs 10 MB).

Xeon E5-2623 v4

2016

Why buy it

✅+25% larger total L3 cache (10 MB vs 8 MB).

Trade-offs

❌Lower PassMark (6,868 vs 6,874).
❌30.8% higher power demand at 85W vs 65W.

Quick Answers

So, is Xeon E3-1285L v3 better than Xeon E5-2623 v4?

Yes. Xeon E3-1285L v3 is the better all-around CPU here. It gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data and 0.1% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E3-1285L v3 is the better pick. According to our tests, it delivers 1.2% 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 E3-1285L v3 is the stronger fit. You are getting 0.1% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E3-1285L v3 still makes the most sense overall. Xeon E3-1285L v3 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon E5-2623 v4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2013) and 25% larger total L3 cache (10 MB vs 8 MB). That makes it the safer long-term bet.

Xeon E3-1285L v3 vs Xeon E5-2623 v4 Technical Specifications

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

Xeon E3-1285L v3

The Xeon E3-1285L v3 is manufactured by Intel. It was released in 2 June 2013 (12 years ago). It is based on the Haswell-WS (2013−2014) architecture. It features 4 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 3.9 GHz. L3 cache: 8192 kB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 65 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 6,874 points. Launch price was $809.

Xeon E5-2623 v4

The Xeon E5-2623 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 4 cores and 8 threads. Base frequency is 2.6 GHz, with boost up to 3.2 GHz. L3 cache: 10 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 85 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 6,868 points. Launch price was $444.

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Processing Power

Both the Xeon E3-1285L v3 and Xeon E5-2623 v4 share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Xeon E3-1285L v3 versus 3.2 GHz on the Xeon E5-2623 v4 — a 19.7% clock advantage for the Xeon E3-1285L v3 (base: 3.1 GHz vs 2.6 GHz). The Xeon E3-1285L v3 uses the Haswell-WS (2013−2014) architecture (22 nm), while the Xeon E5-2623 v4 uses Broadwell (2015−2019) (14 nm). In PassMark, the Xeon E3-1285L v3 scores 6,874 against the Xeon E5-2623 v4's 6,868 — a 0.1% lead for the Xeon E3-1285L v3. L3 cache: 8192 kB (total) on the Xeon E3-1285L v3 vs 10 MB on the Xeon E5-2623 v4.

Feature	Xeon E3-1285L v3	Xeon E5-2623 v4
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.9 GHz+22%	3.2 GHz
Base Clock	3.1 GHz+19%	2.6 GHz
L3 Cache	8192 kB (total)	10 MB+25%
L2 Cache	256 kB (per core)	1 MB+300%
Process	22 nm	14 nm-36%
Architecture	Haswell-WS (2013−2014)	Broadwell (2015−2019)
PassMark	6,874	6,868

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Memory & Platform

The Xeon E3-1285L v3 uses the LGA1150 socket (PCIe 5.0), while the Xeon E5-2623 v4 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.