Core i5-6442EQ vs Xeon X5647

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.

Core i5-6442EQ vs Xeon X5647 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.

Core i5-6442EQ vs Xeon X5647: Pros, Cons & Final Verdict

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

Core i5-6442EQ

2015

Why buy it

✅+0.9% higher PassMark.
✅Draws 25W instead of 130W, a 105W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon X5647 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (6 MB vs 12 MB).
❌Less compelling for workstation-style loads than Xeon X5647, which brings 4 cores / 8 threads.
❌Launch MSRP is still $250 MSRP, while Xeon X5647 mostly shows up through inconsistent older-market listings.

Xeon X5647

2011

Why buy it

✅Better for gaming: +14.1% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (12 MB vs 6 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

❌Lower PassMark (4,441 vs 4,483).
❌420% higher power demand at 130W vs 25W.

Quick Answers

So, is Core i5-6442EQ better than Xeon X5647?

Not really, because they are built for different jobs. Xeon X5647 makes more sense for workstation-style multi-core throughput, while Core i5-6442EQ is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Core i5-6442EQ is the stronger fit. You are getting 0.9% better PassMark, backed by 4 cores and 4 threads.

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

Core i5-6442EQ is the better buy right now. Core i5-6442EQ comes in at an unclear MSRP at $250 MSRP versus unclear MSRP, and it still gives you 0.9% better PassMark. The compromise is that Xeon X5647 is still the better pure gaming CPU with a 14.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (17.9 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-6442EQ makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2011) and more multi-core headroom with 4 cores / 4 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-6442EQ vs Xeon X5647 Technical Specifications

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

Core i5-6442EQ

The Core i5-6442EQ is manufactured by Intel. It was released in 12 October 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 4 threads. Max frequency: 1.9 GHz. L3 cache: 6 MB. L2 cache: 1 MB. Built on 14 nm process technology. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 4,483 points. Launch price was $250.

Xeon X5647

The Xeon X5647 is manufactured by Intel. It was released in 14 February 2011 (14 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 2.93 GHz, with boost up to 3.2 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 4,441 points. Launch price was $175.

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Processing Power

The Core i5-6442EQ packs 4 cores / 4 threads, matching the Xeon X5647's 4 cores. Boost clocks reach 1.9 GHz on the Core i5-6442EQ versus 3.2 GHz on the Xeon X5647 — a 51% clock advantage for the Xeon X5647. The Core i5-6442EQ uses the Skylake (2015−2016) architecture (14 nm), while the Xeon X5647 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i5-6442EQ scores 4,483 against the Xeon X5647's 4,441 — a 0.9% lead for the Core i5-6442EQ. L3 cache: 6 MB on the Core i5-6442EQ vs 12 MB (total) on the Xeon X5647.

Feature	Core i5-6442EQ	Xeon X5647
Cores / Threads	4 / 4	4 / 8
Boost Clock	1.9 GHz	3.2 GHz+68%
Base Clock	—	2.93 GHz
L3 Cache	6 MB	12 MB (total)+100%
L2 Cache	1 MB+300%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Skylake (2015−2016)	Westmere-EP (2010−2011)
PassMark	4,483	4,441

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Advanced Features

Virtualization: not specified (Core i5-6442EQ) / VT-x, VT-d (Xeon X5647). Primary use case: Xeon X5647 targets Workstation. Direct competitor: Xeon X5647 rivals Core i7-980X.