Xeon E3-1285 v4 vs Xeon E3-1575M 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 E3-1285 v4 vs Xeon E3-1575M 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 E3-1285 v4 vs Xeon E3-1575M 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 E3-1285 v4

2015

Why buy it

✅+0.1% higher PassMark.

Trade-offs

❌Smaller total L3 cache (6 MB vs 8 MB).
❌Launch MSRP is still $556 MSRP, while Xeon E3-1575M v5 mostly shows up through inconsistent older-market listings.
❌111.1% higher power demand at 95W vs 45W.

Xeon E3-1575M v5

2016

Why buy it

✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Draws 45W instead of 95W, a 50W reduction.

Trade-offs

❌Lower PassMark (7,727 vs 7,735).

Quick Answers

So, is Xeon E3-1575M v5 better than Xeon E3-1285 v4?

It depends on what you want from the system. For gaming, Xeon E3-1575M v5 is ahead with a 0.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E3-1285 v4 pulls ahead with 0.1% better PassMark. Xeon E3-1575M v5 also has the bigger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

For streaming, content creation, and heavier multitasking, Xeon E3-1285 v4 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 E3-1575M v5 is still the faster CPU overall, but Xeon E3-1285 v4 is easier to justify if budget matters more than peak performance. Xeon E3-1575M v5 comes in at an unclear MSRP at unclear MSRP versus $556 MSRP, and it still gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E3-1285 v4 is still stronger for heavier multi-core work with 0.1% better PassMark. Xeon E3-1285 v4 is also 100.0% better value on MSRP (13.9 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon E3-1575M v5 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2015) and 33.3% larger total L3 cache (8 MB vs 6 MB). That makes it the safer long-term bet.

Xeon E3-1285 v4 vs Xeon E3-1575M v5 Technical Specifications

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

Xeon E3-1285 v4

The Xeon E3-1285 v4 is manufactured by Intel. It was released in 2015-01-01. It is based on the Broadwell-DT (2015) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.8 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1150. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 7,735 points. Launch price was $800.

Xeon E3-1575M v5

The Xeon E3-1575M 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 3 GHz, with boost up to 3.9 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: 7,727 points. Launch price was $1,207.

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Processing Power

Both the Xeon E3-1285 v4 and Xeon E3-1575M v5 share an identical 4-core/8-thread configuration. Boost clocks reach 3.8 GHz on the Xeon E3-1285 v4 versus 3.9 GHz on the Xeon E3-1575M v5 — a 2.6% clock advantage for the Xeon E3-1575M v5 (base: 3.5 GHz vs 3 GHz). The Xeon E3-1285 v4 uses the Broadwell-DT (2015) architecture (14 nm), while the Xeon E3-1575M v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Xeon E3-1285 v4 scores 7,735 against the Xeon E3-1575M v5's 7,727 — a 0.1% lead for the Xeon E3-1285 v4. L3 cache: 6 MB (total) on the Xeon E3-1285 v4 vs 8 MB (total) on the Xeon E3-1575M v5.

Feature	Xeon E3-1285 v4	Xeon E3-1575M v5
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.8 GHz	3.9 GHz+3%
Base Clock	3.5 GHz+17%	3 GHz
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Broadwell-DT (2015)	Skylake-H (2015−2016)
PassMark	7,735	7,727

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Memory & Platform

The Xeon E3-1285 v4 uses the LGA1150 socket (PCIe 5.0), while the Xeon E3-1575M v5 uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.