A6-6400K vs Atom N2600

A6-6400K vs Atom N2600 Performance Spectrum

A6-6400K

2 / 2

1,511

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom N2600

2 / 4

1,528

+1.1%

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.

A6-6400K vs Atom N2600 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.

A6-6400K vs Atom N2600: Pros, Cons & Final Verdict

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

A6-6400K

2013

Why buy it

✅300% more PCIe lanes (16 vs 4) for storage and expansion-heavy builds.
✅Includes a boxed cooler (true), unlike Atom N2600.

Trade-offs

❌Lower PassMark (1,511 vs 1,528).
❌1525% higher power demand at 65W vs 4W.

Atom N2600

2011

Why buy it

✅+1.1% higher PassMark.
✅Draws 4W instead of 65W, a 61W reduction.

Trade-offs

❌No boxed cooler included, unlike A6-6400K.

Quick Answers

So, is Atom N2600 better than A6-6400K?

It depends on what you want from the system. For gaming, A6-6400K is ahead with a 2.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Atom N2600 pulls ahead with 1.1% better PassMark.

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

For streaming, content creation, and heavier multitasking, Atom N2600 is the stronger fit. You are getting 1.1% better PassMark, backed by 2 cores and 4 threads.

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

Atom N2600 still makes the most sense overall. Atom N2600 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 1.1% better PassMark.

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

A6-6400K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2011). That makes it the safer long-term bet.

A6-6400K vs Atom N2600 Technical Specifications

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

A6-6400K

The A6-6400K is manufactured by AMD. It was released in 2014-01-01. It is based on the Richland (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 3.9 GHz, with boost up to 4.1 GHz. L3 cache: 0 kB. L2 cache: 1024 kB. Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,511 points. Launch price was $70.

Atom N2600

The Atom N2600 is manufactured by Intel. It was released in 1 December 2011 (14 years ago). It is based on the Cedarview-M (2011−2012) architecture. It features 2 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 3.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,528 points. Launch price was $47.

⚡

Processing Power

The A6-6400K packs 2 cores / 2 threads, matching the Atom N2600's 2 cores. Boost clocks reach 4.1 GHz on the A6-6400K versus 1.6 GHz on the Atom N2600 — a 87.7% clock advantage for the A6-6400K (base: 3.9 GHz vs 1.6 GHz). The A6-6400K uses the Richland (2013−2014) architecture (32 nm), while the Atom N2600 uses Cedarview-M (2011−2012) (32 nm). In PassMark, the A6-6400K scores 1,511 against the Atom N2600's 1,528 — a 1.1% lead for the Atom N2600. Both processors carry 0 kB of L3 cache.

Feature	A6-6400K	Atom N2600
Cores / Threads	2 / 2	2 / 4
Boost Clock	4.1 GHz+156%	1.6 GHz
Base Clock	3.9 GHz+144%	1.6 GHz
L3 Cache	0 kB	0 kB
L2 Cache	1024 kB+100%	512K (per core)
Process	32 nm	32 nm
Architecture	Richland (2013−2014)	Cedarview-M (2011−2012)
PassMark	1,511	1,528+1%

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Memory & Platform

The A6-6400K uses the FM2 socket (PCIe 3.0), while the Atom N2600 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1866 on the A6-6400K versus DDR3-800 on the Atom N2600 — the A6-6400K supports 133.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A6-6400K supports up to 32 GB of RAM compared to 2 GB — 1500% more capacity for professional workloads. Memory channels: 2 (A6-6400K) vs 1 (Atom N2600). PCIe lanes: 16 (A6-6400K) vs 4 (Atom N2600) — the A6-6400K offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FM2 (A6-6400K) and Intel NM10 (Atom N2600).

Feature	A6-6400K	Atom N2600
Socket	FM2	FCBGA559
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	1866+133%	DDR3-800
Max RAM Capacity	32 GB+1500%	2 GB
RAM Channels	2+100%	1
ECC Support	No	No
PCIe Lanes	16+300%	4

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Advanced Features

Virtualization: true (A6-6400K) / not specified (Atom N2600). Both include integrated graphics — Radeon HD 8470D (A6-6400K) and Intel GMA 3600 (Atom N2600) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: A6-6400K rivals Pentium G3258.