Atom x5-Z8300 vs Core i7-9700K

Intel

Atom x5-Z8300

4 Cores4 ThrdWMax: 1.84 GHz2015
Similar parts
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VS
Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018
Similar parts
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Atom x5-Z8300 vs Core i7-9700K Performance Spectrum

About PassMark

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 x5-Z8300 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 x5-Z8300 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 x5-Z8300

2015

Why buy it

  • Costs $365 less on MSRP ($20 MSRP vs $385 MSRP).
  • Delivers 292.3% more PassMark for each dollar spent, at 146.7 vs 37.4 PassMark/$ ($20 MSRP vs $385 MSRP).

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
  • Lower PassMark (2,934 vs 14,397).

Core i7-9700K

2018

Why buy it

  • Better for gaming: +248.6% higher average FPS across 50 shared CPU benchmark tests.
  • 1500% more PCIe lanes (16 vs 1) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark per dollar, at 37.4 vs 146.7 PassMark/$ ($385 MSRP vs $20 MSRP).

Quick Answers

So, is Core i7-9700K better than Atom x5-Z8300?
Yes. Core i7-9700K is the better all-around CPU here. It gives you a 248.6% average FPS lead across 50 shared CPU game tests in our data, 390.7% 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 248.6% 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, Core i7-9700K is the stronger fit. You are getting 390.7% 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 still the much better call for a fresh build. Core i7-9700K comes in 1825.0% more expensive on MSRP at $385 MSRP versus $20 MSRP, and it still gives you a 248.6% average FPS lead across 50 shared CPU game tests in our data. Atom x5-Z8300 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2015 platform. Even with 292.3% better value on paper (146.7 vs 37.4 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on UTFCBGA592.
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 2015) 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 x5-Z8300 vs Core i7-9700K Technical Specifications

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

Intel

Atom x5-Z8300

The Atom x5-Z8300 is manufactured by Intel. It was released in 2 March 2015 (10 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.44 GHz, with boost up to 1.84 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA592. Memory support: DDR3. Passmark benchmark score: 2,934 points. Launch price was $69.

Intel

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.

Processing Power

The Atom x5-Z8300 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 1.84 GHz on the Atom x5-Z8300 versus 4.9 GHz on the Core i7-9700K — a 90.8% clock advantage for the Core i7-9700K (base: 1.44 GHz vs 3.6 GHz). The Atom x5-Z8300 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Atom x5-Z8300 scores 2,934 against the Core i7-9700K's 14,397 — a 132.3% lead for the Core i7-9700K. L3 cache: 0 kB on the Atom x5-Z8300 vs 12 MB (total) on the Core i7-9700K.

FeatureAtom x5-Z8300Core i7-9700K
Cores / Threads
4 / 4
8 / 8+100%
Boost Clock
1.84 GHz
4.9 GHz+166%
Base Clock
1.44 GHz
3.6 GHz+150%
L3 Cache
0 kB
12 MB (total)
L2 Cache
2 MB
256K (per core)+12700%
Process
14 nm
14 nm
Architecture
Cherry Trail (2015−2016)
Coffee Lake-R (2018−2019)
PassMark
2,934
14,397+391%
🧠

Memory & Platform

The Atom x5-Z8300 uses the UTFCBGA592 socket (PCIe 3.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-RS 1600 on the Atom x5-Z8300 versus DDR4-2666 on the Core i7-9700K — the Core i7-9700K supports 66.6% 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 2 GB 6300% more capacity for professional workloads. Memory channels: 1 (Atom x5-Z8300) vs 2 (Core i7-9700K). PCIe lanes: 1 (Atom x5-Z8300) vs 16 (Core i7-9700K) — the Core i7-9700K offers 15 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom x5-Z8300) and Intel 300 series (Core i7-9700K).

FeatureAtom x5-Z8300Core i7-9700K
Socket
UTFCBGA592
LGA1151
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR3L-RS 1600
DDR4-2666+67%
Max RAM Capacity
2 GB
128 GB+6300%
RAM Channels
1
2+100%
ECC Support
No
No
PCIe Lanes
1
16+1500%
🔧

Advanced Features

Virtualization: not specified (Atom x5-Z8300) / VT-x, VT-d (Core i7-9700K). Both include integrated graphics Intel HD Graphics (Cherry Trail) (Atom x5-Z8300) 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.

FeatureAtom x5-Z8300Core i7-9700K
Integrated GPU
Yes
Yes
IGPU Model
Intel HD Graphics (Cherry Trail)
UHD Graphics 630
Unlocked
Yes
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Desktop
💰

Value Analysis

At launch, the Atom x5-Z8300 was priced at $20, while the Core i7-9700K came in at $385. On launch pricing ($20 vs $385), Atom x5-Z8300 was $365 cheaper. In terms of value on MSRP (PassMark points per dollar), the Atom x5-Z8300 delivers 146.7 pts/$ vs 37.4 pts/$ for the Core i7-9700K — making the Atom x5-Z8300 the 118.7% better value option.

FeatureAtom x5-Z8300Core i7-9700K
MSRP
$20-95%
$385
Performance per Dollar
146.7+292%
37.4
Release Date
2015
2018

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