Athlon II X3 400e vs Turion II N550

Athlon II X3 400e vs Turion II N550 Performance Spectrum

Athlon II X3 400e

3 / 3

1,320

+0.4%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Turion II N550

2 / 2

1,315

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 400e vs Turion II N550 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 400e vs Turion II N550: 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 400e

2009

Why buy it

✅+0.4% higher PassMark.

Trade-offs

❌Launch MSRP is still $100 MSRP, while Turion II N550 mostly shows up through inconsistent older-market listings.
❌2150% higher power demand at 45W vs 2W.

Turion II N550

2010

Why buy it

✅Draws 2W instead of 45W, a 43W reduction.

Trade-offs

❌Lower PassMark (1,315 vs 1,320).

Quick Answers

So, is Turion II N550 better than Athlon II X3 400e?

It depends on what you want from the system. For gaming, Turion II N550 is ahead with 18.2% higher max boost clock. For rendering, compiling, streaming, and heavier multitasking, Athlon II X3 400e 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, Athlon II X3 400e is the stronger fit. You are getting 0.4% better PassMark, backed by 3 cores and 3 threads.

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

Turion II N550 is still the much better call for a fresh build. Turion II N550 comes in at an unclear MSRP at unclear MSRP versus $100 MSRP, and it still gives you 18.2% higher max boost clock. Athlon II X3 400e only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 100.0% better value on paper (13.2 vs 0.0 PassMark/$), 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?

Turion II N550 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2009). That makes it the safer long-term bet.

Athlon II X3 400e vs Turion II N550 Technical Specifications

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

Athlon II X3 400e

The Athlon II X3 400e 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 2.2 GHz, with boost up to 2.2 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: 1,320 points. Launch price was $107.

Turion II N550

The Turion II N550 is manufactured by AMD. It was released in 2007-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 2.6 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,315 points. Launch price was $69.

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Processing Power

The Athlon II X3 400e packs 3 cores / 3 threads, while the Turion II N550 offers 2 cores / 2 threads — the Athlon II X3 400e has 1 more core. Boost clocks reach 2.2 GHz on the Athlon II X3 400e versus 2.6 GHz on the Turion II N550 — a 16.7% clock advantage for the Turion II N550. The Athlon II X3 400e uses the Rana (2009−2011) architecture (45 nm), while the Turion II N550 uses Champlain (2010−2011) (45 nm). In PassMark, the Athlon II X3 400e scores 1,320 against the Turion II N550's 1,315 — a 0.4% lead for the Athlon II X3 400e.

Feature	Athlon II X3 400e	Turion II N550
Cores / Threads	3 / 3+50%	2 / 2
Boost Clock	2.2 GHz	2.6 GHz+18%
Base Clock	2.2 GHz	—
L3 Cache	0 kB	—
L2 Cache	512 kB (per core)	2 MB+300%
Process	45 nm	45 nm
Architecture	Rana (2009−2011)	Champlain (2010−2011)
PassMark	1,320	1,315

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Memory & Platform

The Athlon II X3 400e uses the AM3 socket (PCIe 2.0), while the Turion II N550 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.