Atom x7211RE vs Celeron J3455E

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 x7211RE vs Celeron J3455E 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 x7211RE vs Celeron J3455E: Pros, Cons & Final Verdict

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

Atom x7211RE

2024

Why buy it

✅+200% larger total L3 cache (6 MB vs 2 MB).
✅Draws 6W instead of 10W, a 4W reduction.

Trade-offs

❌Lower PassMark (2,188 vs 2,193).

Celeron J3455E

2019

Why buy it

✅+0.2% higher PassMark.

Trade-offs

❌Smaller total L3 cache (2 MB vs 6 MB).
❌66.7% higher power demand at 10W vs 6W.

Quick Answers

So, is Atom x7211RE better than Celeron J3455E?

It depends on what you want from the system. For gaming, Atom x7211RE is ahead with a 1.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron J3455E pulls ahead with 0.2% better PassMark. Atom x7211RE also has the bigger cache pool with 200% larger total L3 cache (6 MB vs 2 MB).

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

For streaming, content creation, and heavier multitasking, Celeron J3455E is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads.

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

Atom x7211RE still makes the most sense overall. Atom x7211RE comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.0% average FPS lead across 50 shared CPU game tests in our data.

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

Atom x7211RE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2019), a healthier platform with FCBGA1264 and DDR5 instead of the older platform, and 200% larger total L3 cache (6 MB vs 2 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom x7211RE vs Celeron J3455E Technical Specifications

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

Atom x7211RE

The Atom x7211RE is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 2 cores and 2 threads. Base frequency is 1 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 6 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 2,188 points. Launch price was $42.

Celeron J3455E

The Celeron J3455E is manufactured by Intel. It was released in 2007-01-01. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB. Built on 14 nm process technology. Thermal design power (TDP): 10 Watt. Memory support: DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s. Passmark benchmark score: 2,193 points. Launch price was $69.

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Processing Power

The Atom x7211RE packs 2 cores / 2 threads, while the Celeron J3455E offers 4 cores / 4 threads — the Celeron J3455E has 2 more cores. Boost clocks reach 3.2 GHz on the Atom x7211RE versus 2.3 GHz on the Celeron J3455E — a 32.7% clock advantage for the Atom x7211RE (base: 1 GHz vs 1.5 GHz). The Atom x7211RE is built on the Amston Lake (2024−2025) architecture. In PassMark, the Atom x7211RE scores 2,188 against the Celeron J3455E's 2,193 — a 0.2% lead for the Celeron J3455E. L3 cache: 6 MB (total) on the Atom x7211RE vs 2 MB on the Celeron J3455E.

Feature	Atom x7211RE	Celeron J3455E
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	3.2 GHz+39%	2.3 GHz
Base Clock	1 GHz	1.5 GHz+50%
L3 Cache	6 MB (total)+200%	2 MB
L2 Cache	2 MB (total)	—
Process	10 nm-29%	14 nm
Architecture	Amston Lake (2024−2025)	—
PassMark	2,188	2,193
Geekbench 6 Single	—	450
Geekbench 6 Multi	—	850

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Memory & Platform

Maximum memory speed reaches LPDDR5-4800 on the Atom x7211RE versus DDR4-2400 on the Celeron J3455E — the Atom x7211RE supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom x7211RE supports up to 32 GB of RAM compared to 8 GB — 300% more capacity for professional workloads. Memory channels: 1 (Atom x7211RE) vs 2 (Celeron J3455E). PCIe lanes: 8 (Atom x7211RE) vs 6 (Celeron J3455E) — the Atom x7211RE offers 2 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel BGA1264 (Atom x7211RE) and N/A (SoC) (Celeron J3455E).

Feature	Atom x7211RE	Celeron J3455E
Socket	FCBGA1264	—
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	LPDDR5-4800+100%	DDR4-2400
Max RAM Capacity	32 GB+300%	8 GB
RAM Channels	1	2+100%
ECC Support	Yes	No
PCIe Lanes	8+33%	6

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Atom x7211RE) vs VT-x (Celeron J3455E). Both include integrated graphics — UHD Graphics (16 EU) (Atom x7211RE) and HD Graphics 500 (Celeron J3455E) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Atom x7211RE targets Embedded, Celeron J3455E targets Low Power. Direct competitor: Celeron J3455E rivals Pentium J4205.