Atom x5-Z8300 vs Celeron J4125

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 Celeron J4125 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 Celeron J4125: 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

✅Better for gaming: +4.1% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (2,934 vs 2,936).
❌Launch MSRP is still $20 MSRP, while Celeron J4125 mostly shows up through inconsistent older-market listings.

Celeron J4125

2019

Why buy it

✅+0.1% higher PassMark.
✅500% more PCIe lanes (6 vs 1) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Atom x5-Z8300 across 50 shared CPU benchmark tests.

Quick Answers

So, is Celeron J4125 better than Atom x5-Z8300?

It depends on what you want from the system. For gaming, Atom x5-Z8300 is ahead with a 4.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron J4125 pulls ahead with 0.1% better PassMark.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Celeron J4125 is the stronger fit. You are getting 0.1% better PassMark, backed by 4 cores and 4 threads.

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

Celeron J4125 is still the much better call for a fresh build. Celeron J4125 comes in at an unclear MSRP at unclear MSRP versus $20 MSRP, and it still gives you 0.1% better PassMark. Atom x5-Z8300 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2015 platform. Even with 100.0% better value on paper (146.7 vs 0.0 PassMark/$), 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?

Celeron J4125 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2015) and more multi-core headroom with 4 cores / 4 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 Celeron J4125 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.

Celeron J4125

The Celeron J4125 is manufactured by Intel. It was released in 4 November 2019 (6 years ago). It is based on the Gemini Lake Refresh (2019) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2.7 GHz. L3 cache: 4 MB. L2 cache: 4 MB (total). Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 2,936 points. Launch price was $107.

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Processing Power

Both the Atom x5-Z8300 and Celeron J4125 share an identical 4-core/4-thread configuration. Boost clocks reach 1.84 GHz on the Atom x5-Z8300 versus 2.7 GHz on the Celeron J4125 — a 37.9% clock advantage for the Celeron J4125 (base: 1.44 GHz vs 2 GHz). The Atom x5-Z8300 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Celeron J4125 uses Gemini Lake Refresh (2019) (14 nm). In PassMark, the Atom x5-Z8300 scores 2,934 against the Celeron J4125's 2,936 — a 0.1% lead for the Celeron J4125. L3 cache: 0 kB on the Atom x5-Z8300 vs 4 MB on the Celeron J4125.

Feature	Atom x5-Z8300	Celeron J4125
Cores / Threads	4 / 4	4 / 4
Boost Clock	1.84 GHz	2.7 GHz+47%
Base Clock	1.44 GHz	2 GHz+39%
L3 Cache	0 kB	4 MB
L2 Cache	2 MB	4 MB (total)+100%
Process	14 nm	14 nm
Architecture	Cherry Trail (2015−2016)	Gemini Lake Refresh (2019)
PassMark	2,934	2,936

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Memory & Platform

The Atom x5-Z8300 uses the UTFCBGA592 socket (PCIe 3.0), while the Celeron J4125 uses FCBGA1090 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-RS 1600 on the Atom x5-Z8300 versus 2400 on the Celeron J4125 — the Celeron J4125 supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron J4125 supports up to 8 GB of RAM compared to 2 GB — 300% more capacity for professional workloads. Memory channels: 1 (Atom x5-Z8300) vs 2 (Celeron J4125). PCIe lanes: 1 (Atom x5-Z8300) vs 6 (Celeron J4125) — the Celeron J4125 offers 5 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom x5-Z8300) and BGA1090 (Celeron J4125).

Feature	Atom x5-Z8300	Celeron J4125
Socket	UTFCBGA592	FCBGA1090
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR3L-RS 1600	2400+50%
Max RAM Capacity	2 GB	8 GB+300%
RAM Channels	1	2+100%
ECC Support	No	No
PCIe Lanes	1	6+500%

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Advanced Features

Virtualization: not specified (Atom x5-Z8300) / true (Celeron J4125). Both include integrated graphics — Intel HD Graphics (Cherry Trail) (Atom x5-Z8300) and Intel UHD Graphics 600 (Celeron J4125) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Celeron J4125 rivals Ryzen Embedded R1305G.