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 C3558 vs Core m3-7Y30 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 C3558 vs Core m3-7Y30: Pros, Cons & Final Verdict

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

Atom C3558

2017

Why buy it

✅Better for gaming: +3.3% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (8 MB vs 4 MB).

Trade-offs

❌255.6% higher power demand at 16W vs 4.5W.
❌No integrated graphics, while Core m3-7Y30 can still boot and troubleshoot without a discrete GPU.

Core m3-7Y30

2016

Why buy it

✅Draws 5W instead of 16W, a 12W reduction.
✅Integrated graphics onboard with Intel HD Graphics 615, while Atom C3558 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Atom C3558 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,418 vs 2,431).
❌Smaller total L3 cache (4 MB vs 8 MB).
❌Launch MSRP is still $281 MSRP, while Atom C3558 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Atom C3558 better than Core m3-7Y30?

Yes. Atom C3558 is the better all-around CPU here. It gives you a 3.3% average FPS lead across 50 shared CPU game tests in our data, 0.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Atom C3558 is the better pick. According to our tests, it delivers 3.3% 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 C3558 is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 4 threads. It also has the larger cache pool with 100% larger total L3 cache (8 MB vs 4 MB).

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

Atom C3558 is the easy recommendation for a fresh desktop build. Atom C3558 comes in at an unclear MSRP at unclear MSRP versus $281 MSRP, and it still gives you a 3.3% average FPS lead across 50 shared CPU game tests in our data. Core m3-7Y30 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 3.3% in the shared gaming data.

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

Atom C3558 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2016), 100% larger total L3 cache (8 MB vs 4 MB), and more multi-core headroom with 4 cores / 4 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Atom C3558 vs Core m3-7Y30 Technical Specifications

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

Atom C3558

The Atom C3558 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 4 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 8 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 16 Watt. Memory support: DDR4: 2133. Passmark benchmark score: 2,431 points. Launch price was $86.

Core m3-7Y30

The Core m3-7Y30 is manufactured by Intel. It was released in 30 August 2016 (9 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 4 threads. Base frequency is 1 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 4.5 Watt. Memory support: DDR3. Passmark benchmark score: 2,418 points. Launch price was $281.

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Processing Power

The Atom C3558 packs 4 cores / 4 threads, while the Core m3-7Y30 offers 2 cores / 4 threads — the Atom C3558 has 2 more cores. Boost clocks reach 2.2 GHz on the Atom C3558 versus 2.6 GHz on the Core m3-7Y30 — a 16.7% clock advantage for the Core m3-7Y30 (base: 2.2 GHz vs 1 GHz). The Atom C3558 uses the Goldmont (2016−2017) architecture (14 nm), while the Core m3-7Y30 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Atom C3558 scores 2,431 against the Core m3-7Y30's 2,418 — a 0.5% lead for the Atom C3558. L3 cache: 8 MB on the Atom C3558 vs 4 MB on the Core m3-7Y30.

Feature	Atom C3558	Core m3-7Y30
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	2.2 GHz	2.6 GHz+18%
Base Clock	2.2 GHz+120%	1 GHz
L3 Cache	8 MB+100%	4 MB
L2 Cache	8 MB+1500%	512 kB
Process	14 nm	14 nm
Architecture	Goldmont (2016−2017)	Kaby Lake (2016−2019)
PassMark	2,431	2,418
Cinebench R23 Multi	—	645
Geekbench 6 Single	—	768
Geekbench 6 Multi	—	1,481

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Memory & Platform

The Atom C3558 uses the FCBGA1310 socket (PCIe 3.0), while the Core m3-7Y30 uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Atom C3558 versus LPDDR3-1866 / DDR3L-1600 on the Core m3-7Y30 — the Atom C3558 supports 14.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom C3558 supports up to 256 GB of RAM compared to 16 GB — 1500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Atom C3558) vs 10 (Core m3-7Y30) — the Atom C3558 offers 2 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1310 (Atom C3558) and Kaby Lake-Y SoC (Core m3-7Y30).

Feature	Atom C3558	Core m3-7Y30
Socket	FCBGA1310	FCBGA1515
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2133+14%	LPDDR3-1866 / DDR3L-1600
Max RAM Capacity	256 GB+1500%	16 GB
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	12+20%	10

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Advanced Features

Virtualization: not specified (Atom C3558) / VT-x / VT-d / EPT (Core m3-7Y30). The Core m3-7Y30 includes integrated graphics (Intel HD Graphics 615), while the Atom C3558 requires a dedicated GPU. Primary use case: Core m3-7Y30 targets Ultra-portable.