Atom x7-Z8750 vs Core i3-390M

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 x7-Z8750 vs Core i3-390M 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 x7-Z8750 vs Core i3-390M: Pros, Cons & Final Verdict

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

Atom x7-Z8750

2016

Why buy it

✅Draws 2W instead of 512W, a 510W reduction.

Trade-offs

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

Core i3-390M

2011

Why buy it

✅700% more PCIe lanes (16 vs 2) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (1,292 vs 1,294).
❌25500% higher power demand at 512W vs 2W.

Quick Answers

So, is Atom x7-Z8750 better than Core i3-390M?

Yes. Atom x7-Z8750 is the better all-around CPU here. It gives you a 1.6% average FPS lead across 50 shared CPU game tests in our data, 0.2% 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 x7-Z8750 is the better pick. According to our tests, it delivers 1.6% 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 x7-Z8750 is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads.

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

Atom x7-Z8750 still makes the most sense overall. Atom x7-Z8750 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.6% average FPS lead across 50 shared CPU game tests in our data.

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

Atom x7-Z8750 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2011) 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 x7-Z8750 vs Core i3-390M Technical Specifications

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

Atom x7-Z8750

The Atom x7-Z8750 is manufactured by Intel. It was released in 1 April 2016 (9 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2.56 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,294 points. Launch price was $37.

Core i3-390M

The Core i3-390M is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 0.67 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,292 points. Launch price was $39.

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Processing Power

The Atom x7-Z8750 packs 4 cores / 4 threads, while the Core i3-390M offers 2 cores / 4 threads — the Atom x7-Z8750 has 2 more cores. Boost clocks reach 2.56 GHz on the Atom x7-Z8750 versus 0.67 GHz on the Core i3-390M — a 117% clock advantage for the Atom x7-Z8750 (base: 1.6 GHz vs 2.66 GHz). The Atom x7-Z8750 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Core i3-390M uses Arrandale (2010−2011) (32 nm). In PassMark, the Atom x7-Z8750 scores 1,294 against the Core i3-390M's 1,292 — a 0.2% lead for the Atom x7-Z8750. L3 cache: 0 kB on the Atom x7-Z8750 vs 3 MB (total) on the Core i3-390M.

Feature	Atom x7-Z8750	Core i3-390M
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	2.56 GHz+282%	0.67 GHz
Base Clock	1.6 GHz	2.66 GHz+66%
L3 Cache	0 kB	3 MB (total)
L2 Cache	2 MB	256K (per core)+12700%
Process	14 nm-56%	32 nm
Architecture	Cherry Trail (2015−2016)	Arrandale (2010−2011)
PassMark	1,294	1,292

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Memory & Platform

The Atom x7-Z8750 uses the UTFCBGA1380 socket (PCIe 3.0), while the Core i3-390M uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR3-1600 on the Atom x7-Z8750 versus DDR3-1066 on the Core i3-390M — the Atom x7-Z8750 supports 50.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 2 (Atom x7-Z8750) vs 16 (Core i3-390M) — the Core i3-390M offers 14 more lanes for additional GPUs or NVMe drives.

Feature	Atom x7-Z8750	Core i3-390M
Socket	UTFCBGA1380	PGA988
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	LPDDR3-1600+50%	DDR3-1066
Max RAM Capacity	8 GB	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	2	16+700%

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Advanced Features

Virtualization: not specified (Atom x7-Z8750) / VT-x (Core i3-390M). Both include integrated graphics — Intel HD Graphics (Cherry Trail) (Atom x7-Z8750) and HD Graphics (Core i3-390M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-390M targets Mobile.