Athlon II X3 425e vs Celeron J3455

Athlon II X3 425e vs Celeron J3455 Performance Spectrum

Athlon II X3 425e

3 / 3

2,239

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Celeron J3455

4 / 4

2,247

+0.4%

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.

Athlon II X3 425e vs Celeron J3455 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.

Athlon II X3 425e vs Celeron J3455: Pros, Cons & Final Verdict

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

Athlon II X3 425e

2011

Why buy it

Trade-offs

❌Lower PassMark (2,239 vs 2,247).
❌Launch MSRP is still $79 MSRP, while Celeron J3455 mostly shows up through inconsistent older-market listings.
❌350% higher power demand at 45W vs 10W.
❌No integrated graphics, while Celeron J3455 can still boot and troubleshoot without a discrete GPU.

Celeron J3455

2016

Why buy it

✅+0.4% higher PassMark.
✅Draws 10W instead of 45W, a 35W reduction.
✅100+% more PCIe lanes (6 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 500, while Athlon II X3 425e needs a discrete GPU.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Celeron J3455 better than Athlon II X3 425e?

It depends on what you want from the system. For gaming, Athlon II X3 425e is ahead with a 1.5% average FPS lead across 49 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron J3455 pulls ahead with 0.4% better PassMark.

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

For streaming, content creation, and heavier multitasking, Celeron J3455 is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 4 threads.

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

Celeron J3455 is still the much better call for a fresh build. Celeron J3455 comes in at an unclear MSRP at unclear MSRP versus $79 MSRP, and it still gives you 0.4% better PassMark. Athlon II X3 425e only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 100.0% better value on paper (28.3 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on AM3.

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

Celeron J3455 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2011) and more multi-core headroom with 4 cores / 4 threads instead of 3/3. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon II X3 425e vs Celeron J3455 Technical Specifications

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

Athlon II X3 425e

The Athlon II X3 425e is manufactured by AMD. It was released in 2009-01-01. It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 2,239 points. Launch price was $149.

Celeron J3455

The Celeron J3455 is manufactured by Intel. It was released in 30 August 2016 (9 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.3 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 10 Watt. Memory support: DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s. Passmark benchmark score: 2,247 points. Launch price was $107.

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Processing Power

The Athlon II X3 425e packs 3 cores / 3 threads, while the Celeron J3455 offers 4 cores / 4 threads — the Celeron J3455 has 1 more core. Boost clocks reach 2.7 GHz on the Athlon II X3 425e versus 2.3 GHz on the Celeron J3455 — a 16% clock advantage for the Athlon II X3 425e (base: 2.7 GHz vs 1.5 GHz). The Athlon II X3 425e uses the Rana (2009−2011) architecture (45 nm), while the Celeron J3455 uses Apollo Lake (2014−2016) (14 nm). In PassMark, the Athlon II X3 425e scores 2,239 against the Celeron J3455's 2,247 — a 0.4% lead for the Celeron J3455. Both processors carry 0 kB of L3 cache.

Feature	Athlon II X3 425e	Celeron J3455
Cores / Threads	3 / 3	4 / 4+33%
Boost Clock	2.7 GHz+17%	2.3 GHz
Base Clock	2.7 GHz+80%	1.5 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)	2 MB+300%
Process	45 nm	14 nm-69%
Architecture	Rana (2009−2011)	Apollo Lake (2014−2016)
PassMark	2,239	2,247
Geekbench 6 Single	—	450
Geekbench 6 Multi	—	850

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Memory & Platform

The Athlon II X3 425e uses the AM3 socket (PCIe 2.0), while the Celeron J3455 uses FCBGA1296 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X3 425e versus DDR4-2400 on the Celeron J3455 — the Celeron J3455 supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 425e supports up to 32 GB of RAM compared to 8 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X3 425e) vs 6 (Celeron J3455) — the Celeron J3455 offers 6 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM3 (Athlon II X3 425e) and N/A (SoC) (Celeron J3455).

Feature	Athlon II X3 425e	Celeron J3455
Socket	AM3	FCBGA1296
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1333	DDR4-2400+80%
Max RAM Capacity	32 GB+300%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	6

🔧

Advanced Features

Virtualization: not specified (Athlon II X3 425e) / VT-x (Celeron J3455). The Celeron J3455 includes integrated graphics (HD Graphics 500), while the Athlon II X3 425e requires a dedicated GPU. Primary use case: Celeron J3455 targets Low Power. Direct competitor: Celeron J3455 rivals Pentium J4205.