Core i5-6442EQ vs Xeon E5-2603 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.

Core i5-6442EQ vs Xeon E5-2603 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.

Core i5-6442EQ vs Xeon E5-2603 v4: 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

✅Draws 25W instead of 85W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2603 v4 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,483 vs 4,517).
❌Smaller total L3 cache (6 MB vs 15 MB).
❌Less compelling for workstation-style loads than Xeon E5-2603 v4, which brings 6 cores / 6 threads.
❌Launch MSRP is still $250 MSRP, while Xeon E5-2603 v4 mostly shows up through inconsistent older-market listings.

Xeon E5-2603 v4

2016

Why buy it

✅Better for gaming: +7.0% higher average FPS across 50 shared CPU benchmark tests.
✅+150% larger total L3 cache (15 MB vs 6 MB).
✅Better for workstations and heavier parallel workloads: 6 cores / 6 threads.

Trade-offs

❌240% higher power demand at 85W vs 25W.

Quick Answers

So, is Xeon E5-2603 v4 better than Core i5-6442EQ?

Not really, because they are built for different jobs. Xeon E5-2603 v4 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 gaming?

If gaming is the priority, Xeon E5-2603 v4 is the better pick. According to our tests, it delivers 7.0% 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 E5-2603 v4 is the stronger fit. You are getting 0.8% better PassMark, backed by 6 cores and 6 threads. It also has the larger cache pool with 150% larger total L3 cache (15 MB vs 6 MB).

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

Xeon E5-2603 v4 is still the much better call for a fresh build. Xeon E5-2603 v4 comes in at an unclear MSRP at unclear MSRP versus $250 MSRP, and it still gives you a 7.0% average FPS lead across 50 shared CPU game tests in our data. Core i5-6442EQ only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2015 platform. Even with 100.0% better value on paper (17.9 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on that older platform.

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

Xeon E5-2603 v4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2015), 150% larger total L3 cache (15 MB vs 6 MB), and more multi-core headroom with 6 cores / 6 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-6442EQ vs Xeon E5-2603 v4 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 E5-2603 v4

The Xeon E5-2603 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 6 cores and 6 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 15 MB. L2 cache: 1.5 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 85 Watt. Memory support: DDR4-1600, DDR4-1866. Passmark benchmark score: 4,517 points. Launch price was $213.

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Processing Power

The Core i5-6442EQ packs 4 cores / 4 threads, while the Xeon E5-2603 v4 offers 6 cores / 6 threads — the Xeon E5-2603 v4 has 2 more cores. Boost clocks reach 1.9 GHz on the Core i5-6442EQ versus 1.7 GHz on the Xeon E5-2603 v4 — a 11.1% clock advantage for the Core i5-6442EQ. The Core i5-6442EQ uses the Skylake (2015−2016) architecture (14 nm), while the Xeon E5-2603 v4 uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i5-6442EQ scores 4,483 against the Xeon E5-2603 v4's 4,517 — a 0.8% lead for the Xeon E5-2603 v4. L3 cache: 6 MB on the Core i5-6442EQ vs 15 MB on the Xeon E5-2603 v4.

Feature	Core i5-6442EQ	Xeon E5-2603 v4
Cores / Threads	4 / 4	6 / 6+50%
Boost Clock	1.9 GHz+12%	1.7 GHz
Base Clock	—	1.7 GHz
L3 Cache	6 MB	15 MB+150%
L2 Cache	1 MB	1.5 MB+50%
Process	14 nm	14 nm
Architecture	Skylake (2015−2016)	Broadwell (2015−2019)
PassMark	4,483	4,517