Athlon II X3 405e vs Processor N50

Athlon II X3 405e vs Processor N50 Performance Spectrum

Athlon II X3 405e

3 / 3

1,331

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Processor N50

2 / 2

1,339

+0.6%

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 405e vs Processor N50 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 405e vs Processor N50: 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 405e

2009

Why buy it

✅Costs $28 less on MSRP ($100 MSRP vs $128 MSRP).
✅Delivers 27.2% more PassMark for each dollar spent, at 13.3 vs 10.5 PassMark/$ ($100 MSRP vs $128 MSRP).

Trade-offs

❌Lower PassMark (1,331 vs 1,339).
❌Older platform position on AM3, while Processor N50 moves to FCBGA1264 and DDR5.

Processor N50

2023

Why buy it

✅Newer platform on FCBGA1264 with DDR5 support instead of AM3 and older memory support.

Trade-offs

❌Lower PassMark per dollar, at 10.5 vs 13.3 PassMark/$ ($128 MSRP vs $100 MSRP).

Quick Answers

So, is Processor N50 better than Athlon II X3 405e?

Yes. Processor N50 is the better all-around CPU here. It gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data, 0.6% 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, Processor N50 is the better pick. According to our tests, it delivers 2.2% 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, Processor N50 is the stronger fit. You are getting 0.6% better PassMark, backed by 2 cores and 2 threads.

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

Processor N50 is still the much better call for a fresh build. Processor N50 comes in 28.0% more expensive on MSRP at $128 MSRP versus $100 MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data. Athlon II X3 405e only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 27.2% better value on paper (13.3 vs 10.5 PassMark/$), 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?

Processor N50 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2009), a healthier platform with FCBGA1264 and DDR5 instead of AM3, and more multi-core headroom with 2 cores / 2 threads instead of 3/3. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Athlon II X3 405e vs Processor N50 Technical Specifications

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

Athlon II X3 405e

The Athlon II X3 405e is manufactured by AMD. It was released in 20 October 2009 (16 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.3 GHz, with boost up to 2.3 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: 1,331 points. Launch price was $80.

Processor N50

The Processor N50 is manufactured by Intel. It was released in 3 January 2023 (2 years ago). It is based on the Alder Lake-N (2023) architecture. It features 2 cores and 2 threads. Base frequency is 1 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): + 6 MB. Memory support: DDR4, DDR5 4800 MHz Single-channel. Passmark benchmark score: 1,339 points. Launch price was $69.

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Processing Power

The Athlon II X3 405e packs 3 cores / 3 threads, while the Processor N50 offers 2 cores / 2 threads — the Athlon II X3 405e has 1 more core. Boost clocks reach 2.3 GHz on the Athlon II X3 405e versus 3.4 GHz on the Processor N50 — a 38.6% clock advantage for the Processor N50 (base: 2.3 GHz vs 1 GHz). The Athlon II X3 405e uses the Rana (2009−2011) architecture (45 nm), while the Processor N50 uses Alder Lake-N (2023) (10 nm). In PassMark, the Athlon II X3 405e scores 1,331 against the Processor N50's 1,339 — a 0.6% lead for the Processor N50. L3 cache: 0 kB on the Athlon II X3 405e vs 6 MB (total) on the Processor N50.

Feature	Athlon II X3 405e	Processor N50
Cores / Threads	3 / 3+50%	2 / 2
Boost Clock	2.3 GHz	3.4 GHz+48%
Base Clock	2.3 GHz+130%	1 GHz
L3 Cache	0 kB	6 MB (total)
L2 Cache	512 kB (per core)	2 MB (total)+300%
Process	45 nm	10 nm-78%
Architecture	Rana (2009−2011)	Alder Lake-N (2023)
PassMark	1,331	1,339

🧠

Memory & Platform

The Athlon II X3 405e uses the AM3 socket (PCIe 2.0), while the Processor N50 uses FCBGA1264 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Athlon II X3 405e	Processor N50
Socket	AM3	FCBGA1264
PCIe Generation	PCIe 2.0	PCIe 5.0+150%
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

💰

Value Analysis

At launch, the Athlon II X3 405e was priced at $100, while the Processor N50 came in at $128. On launch pricing ($100 vs $128), Athlon II X3 405e was $28 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X3 405e delivers 13.3 pts/$ vs 10.5 pts/$ for the Processor N50 — making the Athlon II X3 405e the 24% better value option.

Feature	Athlon II X3 405e	Processor N50
MSRP	$100-22%	$128
Performance per Dollar	13.3+27%	10.5
Release Date	2009	2023

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