Atom C3758 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.

Atom C3758 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.

Atom C3758 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.

Atom C3758

2017

Why buy it

✅Better for gaming: +15.8% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 25W instead of 85W, a 60W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Xeon E5-2603 v4

2016

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Atom C3758 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,517 vs 4,614).
❌240% higher power demand at 85W vs 25W.

Quick Answers

So, is Atom C3758 better than Xeon E5-2603 v4?

Not really, because they are built for different jobs. Xeon E5-2603 v4 makes more sense for workstation-style multi-core throughput, while Atom C3758 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Atom C3758 is the better pick. According to our tests, it delivers 15.8% 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, Atom C3758 is the stronger fit. You are getting 2.1% better PassMark, backed by 8 cores and 8 threads.

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

Atom C3758 still makes the most sense overall. Atom C3758 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 15.8% average FPS lead across 50 shared CPU game tests in our data.

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

Atom C3758 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2016) and more multi-core headroom with 8 cores / 8 threads instead of 6/6. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Atom C3758 vs Xeon E5-2603 v4 Technical Specifications

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

Atom C3758

The Atom C3758 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 8 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 16 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 25 Watt. Memory support: DDR4: 2400. Passmark benchmark score: 4,614 points. Launch price was $193.

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 Atom C3758 packs 8 cores / 8 threads, while the Xeon E5-2603 v4 offers 6 cores / 6 threads — the Atom C3758 has 2 more cores. Boost clocks reach 2.2 GHz on the Atom C3758 versus 1.7 GHz on the Xeon E5-2603 v4 — a 25.6% clock advantage for the Atom C3758 (base: 2.2 GHz vs 1.7 GHz). The Atom C3758 uses the Goldmont (2016−2017) architecture (14 nm), while the Xeon E5-2603 v4 uses Broadwell (2015−2019) (14 nm). In PassMark, the Atom C3758 scores 4,614 against the Xeon E5-2603 v4's 4,517 — a 2.1% lead for the Atom C3758. L3 cache: 16 MB on the Atom C3758 vs 15 MB on the Xeon E5-2603 v4.

Feature	Atom C3758	Xeon E5-2603 v4
Cores / Threads	8 / 8+33%	6 / 6
Boost Clock	2.2 GHz+29%	1.7 GHz
Base Clock	2.2 GHz+29%	1.7 GHz
L3 Cache	16 MB+7%	15 MB
L2 Cache	16 MB+967%	1.5 MB
Process	14 nm	14 nm
Architecture	Goldmont (2016−2017)	Broadwell (2015−2019)
PassMark	4,614+2%	4,517
Geekbench 6 Single	400	—
Geekbench 6 Multi	2,400	—

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Memory & Platform

The Atom C3758 uses the FCBGA1310 socket (PCIe 3.0), while the Xeon E5-2603 v4 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Atom C3758	Xeon E5-2603 v4
Socket	FCBGA1310	LGA2011
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	256 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	16	—