Atom Z3770 vs Core i5-430UM

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 Z3770 vs Core i5-430UM 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 Z3770 vs Core i5-430UM: Pros, Cons & Final Verdict

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

Atom Z3770

2013

Why buy it

✅Draws 8W instead of 18W, a 10W reduction.

Trade-offs

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

Core i5-430UM

2010

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (1,185 vs 1,189).
❌125% higher power demand at 18W vs 8W.

Quick Answers

So, is Atom Z3770 better than Core i5-430UM?

Yes. Atom Z3770 is the better all-around CPU here. It gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data, 0.3% 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 Z3770 is the better pick. According to our tests, it delivers 2.2% 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 Z3770 is the stronger fit. You are getting 0.3% better PassMark, backed by 4 cores and 4 threads.

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

Atom Z3770 still makes the most sense overall. Atom Z3770 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data.

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

Atom Z3770 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2010) 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 Z3770 vs Core i5-430UM Technical Specifications

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

Atom Z3770

The Atom Z3770 is manufactured by Intel. It was released in 27 September 2013 (12 years ago). It is based on the Bay Trail-T (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.46 GHz, with boost up to 2.39 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 8 Watt. Memory support: DDR3. Passmark benchmark score: 1,189 points. Launch price was $37.

Core i5-430UM

The Core i5-430UM is manufactured by Intel. It was released in 20 June 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 1.73 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,185 points. Launch price was $69.

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Processing Power

The Atom Z3770 packs 4 cores / 4 threads, while the Core i5-430UM offers 2 cores / 4 threads — the Atom Z3770 has 2 more cores. Boost clocks reach 2.39 GHz on the Atom Z3770 versus 1.73 GHz on the Core i5-430UM — a 32% clock advantage for the Atom Z3770 (base: 1.46 GHz vs 1.2 GHz). The Atom Z3770 uses the Bay Trail-T (2013−2014) architecture (22 nm), while the Core i5-430UM uses Arrandale (2010−2011) (32 nm). In PassMark, the Atom Z3770 scores 1,189 against the Core i5-430UM's 1,185 — a 0.3% lead for the Atom Z3770. L3 cache: 0 kB on the Atom Z3770 vs 3 MB on the Core i5-430UM.

Feature	Atom Z3770	Core i5-430UM
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	2.39 GHz+38%	1.73 GHz
Base Clock	1.46 GHz+22%	1.2 GHz
L3 Cache	0 kB	3 MB
L2 Cache	512K (per core)	512 kB
Process	22 nm-31%	32 nm
Architecture	Bay Trail-T (2013−2014)	Arrandale (2010−2011)
PassMark	1,189	1,185
Geekbench 6 Single	—	250
Geekbench 6 Multi	—	500

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Memory & Platform

The Atom Z3770 uses the UTFCBGA1380 socket (PCIe 2.0), while the Core i5-430UM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR3-1066 on the Atom Z3770 versus DDR3-800 on the Core i5-430UM — the Atom Z3770 supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-430UM supports up to 8 GB of RAM compared to 4 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Atom Z3770) vs 16 (Core i5-430UM) — the Core i5-430UM offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom Z3770) and HM55 (Core i5-430UM).

Feature	Atom Z3770	Core i5-430UM
Socket	UTFCBGA1380	BGA1288
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	LPDDR3-1066+33%	DDR3-800
Max RAM Capacity	4 GB	8 GB+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	16

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Advanced Features

Virtualization: not specified (Atom Z3770) / VT-x, VT-d (Core i5-430UM). Both include integrated graphics — Intel HD Graphics (Bay Trail) (Atom Z3770) and Intel HD Graphics (Core i5-430UM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-430UM targets Legacy Ultrabook. Direct competitor: Core i5-430UM rivals Pentium SU7300.

Feature	Atom Z3770	Core i5-430UM
Integrated GPU	Yes	Yes
IGPU Model	Intel HD Graphics (Bay Trail)	Intel HD Graphics
Unlocked	—	No
AVX-512	—	No
Virtualization	—	VT-x, VT-d
Target Use	—	Legacy Ultrabook