Atom x5-Z8300 vs Ryzen 9 5900X

CPU

GPU

Atom x5-Z8300

4 Cores4 Thrd−WMax: 1.84 GHz2015

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Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Ryzen family

·······

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Atom x5-Z8300 vs Ryzen 9 5900X Performance Spectrum

Atom x5-Z8300

4 / 4

2,934

0.0%

38,955

+1227.7%

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

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 Ryzen 9 5900X 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 Ryzen 9 5900X: 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 $529 less on MSRP ($20 MSRP vs $549 MSRP).
✅Delivers 106.7% more PassMark for each dollar spent, at 146.7 vs 71.0 PassMark/$ ($20 MSRP vs $549 MSRP).
✅Integrated graphics onboard with Intel HD Graphics (Cherry Trail), while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (2,934 vs 38,955).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +326.2% higher average FPS across 50 shared CPU benchmark tests.
✅2300% more PCIe lanes (24 vs 1) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 71.0 vs 146.7 PassMark/$ ($549 MSRP vs $20 MSRP).
❌No integrated graphics, while Atom x5-Z8300 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 5900X better than Atom x5-Z8300?

Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 326.2% average FPS lead across 50 shared CPU game tests in our data, 1227.7% 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, Ryzen 9 5900X is the better pick. According to our tests, it delivers 326.2% 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, Ryzen 9 5900X is the stronger fit. You are getting 1227.7% better PassMark, backed by 12 cores and 24 threads.

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

Ryzen 9 5900X is still the much better call for a fresh build. Ryzen 9 5900X comes in 2645.0% more expensive on MSRP at $549 MSRP versus $20 MSRP, and it still gives you a 326.2% average FPS lead across 50 shared CPU game tests in our data. Atom x5-Z8300 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2015 platform. Even with 106.7% better value on paper (146.7 vs 71.0 PassMark/$), 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?

Ryzen 9 5900X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2015) and more multi-core headroom with 12 cores / 24 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 Ryzen 9 5900X Technical Specifications

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

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.

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

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Processing Power

The Atom x5-Z8300 packs 4 cores / 4 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 8 more cores. Boost clocks reach 1.84 GHz on the Atom x5-Z8300 versus 4.8 GHz on the Ryzen 9 5900X — a 89.2% clock advantage for the Ryzen 9 5900X (base: 1.44 GHz vs 3.7 GHz). The Atom x5-Z8300 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Atom x5-Z8300 scores 2,934 against the Ryzen 9 5900X's 38,955 — a 172% lead for the Ryzen 9 5900X. L3 cache: 0 kB on the Atom x5-Z8300 vs 64 MB on the Ryzen 9 5900X.

Feature	Atom x5-Z8300	Ryzen 9 5900X
Cores / Threads	4 / 4	12 / 24+200%
Boost Clock	1.84 GHz	4.8 GHz+161%
Base Clock	1.44 GHz	3.7 GHz+157%
L3 Cache	0 kB	64 MB
L2 Cache	2 MB	512K (per core)+25500%
Process	14 nm	7 nm, 12 nm-50%
Architecture	Cherry Trail (2015−2016)	Vermeer (Zen3) (2020−2022)
PassMark	2,934	38,955+1228%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

🧠

Memory & Platform

The Atom x5-Z8300 uses the UTFCBGA592 socket (PCIe 3.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-RS 1600 on the Atom x5-Z8300 versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X 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 (Ryzen 9 5900X). PCIe lanes: 1 (Atom x5-Z8300) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 23 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom x5-Z8300) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Atom x5-Z8300	Ryzen 9 5900X
Socket	UTFCBGA592	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR3L-RS 1600	DDR4-3200+100%
Max RAM Capacity	2 GB	128 GB+6300%
RAM Channels	1	2+100%
ECC Support	No	Yes
PCIe Lanes	1	24+2300%

🔧

Advanced Features

Virtualization: not specified (Atom x5-Z8300) / AMD-V (Ryzen 9 5900X). The Atom x5-Z8300 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

Feature	Atom x5-Z8300	Ryzen 9 5900X
Integrated GPU	Yes	No
IGPU Model	Intel HD Graphics (Cherry Trail)	—
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Workstation

💰

Value Analysis

At launch, the Atom x5-Z8300 was priced at $20, while the Ryzen 9 5900X came in at $549. On launch pricing ($20 vs $549), Atom x5-Z8300 was $529 cheaper. In terms of value on MSRP (PassMark points per dollar), the Atom x5-Z8300 delivers 146.7 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Atom x5-Z8300 the 69.6% better value option.

Feature	Atom x5-Z8300	Ryzen 9 5900X
MSRP	$20-96%	$549
Performance per Dollar	146.7+107%	71.0
Release Date	2015	2020

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