Atom Z3770 vs Core i7-9700K

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 i7-9700K 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 i7-9700K: 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 95W, a 87W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
❌Lower PassMark (1,189 vs 14,397).

Core i7-9700K

2018

Why buy it

✅Better for gaming: +663.5% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $385 MSRP, while Atom Z3770 mostly shows up through inconsistent older-market listings.
❌1087.5% higher power demand at 95W vs 8W.

Quick Answers

So, is Core i7-9700K better than Atom Z3770?

Yes. Core i7-9700K is the better all-around CPU here. It gives you a 663.5% average FPS lead across 50 shared CPU game tests in our data, 1110.8% 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, Core i7-9700K is the better pick. According to our tests, it delivers 663.5% 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, Core i7-9700K is the stronger fit. You are getting 1110.8% better PassMark, backed by 8 cores and 8 threads.

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

Core i7-9700K is the better buy right now. Core i7-9700K comes in at an unclear MSRP at $385 MSRP versus unclear MSRP, and it still gives you a 663.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (37.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i7-9700K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2013) and more multi-core headroom with 8 cores / 8 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Atom Z3770 vs Core i7-9700K 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 i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

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Processing Power

The Atom Z3770 packs 4 cores / 4 threads, while the Core i7-9700K offers 8 cores / 8 threads — the Core i7-9700K has 4 more cores. Boost clocks reach 2.39 GHz on the Atom Z3770 versus 4.9 GHz on the Core i7-9700K — a 68.9% clock advantage for the Core i7-9700K (base: 1.46 GHz vs 3.6 GHz). The Atom Z3770 uses the Bay Trail-T (2013−2014) architecture (22 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Atom Z3770 scores 1,189 against the Core i7-9700K's 14,397 — a 169.5% lead for the Core i7-9700K. L3 cache: 0 kB on the Atom Z3770 vs 12 MB (total) on the Core i7-9700K.

Feature	Atom Z3770	Core i7-9700K
Cores / Threads	4 / 4	8 / 8+100%
Boost Clock	2.39 GHz	4.9 GHz+105%
Base Clock	1.46 GHz	3.6 GHz+147%
L3 Cache	0 kB	12 MB (total)
L2 Cache	512K (per core)+100%	256K (per core)
Process	22 nm	14 nm-36%
Architecture	Bay Trail-T (2013−2014)	Coffee Lake-R (2018−2019)
PassMark	1,189	14,397+1111%

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Memory & Platform

The Atom Z3770 uses the UTFCBGA1380 socket (PCIe 2.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR3-1066 on the Atom Z3770 versus DDR4-2666 on the Core i7-9700K — the Core i7-9700K supports 150.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K supports up to 128 GB of RAM compared to 4 GB — 3100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Atom Z3770) vs 16 (Core i7-9700K) — the Core i7-9700K offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom Z3770) and Intel 300 series (Core i7-9700K).

Feature	Atom Z3770	Core i7-9700K
Socket	UTFCBGA1380	LGA1151
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	LPDDR3-1066	DDR4-2666+150%
Max RAM Capacity	4 GB	128 GB+3100%
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 i7-9700K). Both include integrated graphics — Intel HD Graphics (Bay Trail) (Atom Z3770) and UHD Graphics 630 (Core i7-9700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.