
Atom 330 vs A6-6400K

Atom 330

A6-6400K
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Atom 330 is positioned at rank 39 and the A6-6400K is on rank 688, so the Atom 330 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom 330
Performance Per Dollar A6-6400K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom 330 | A6-6400K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($30) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Diamondville (2008−2009) / 45 nm) | 🛑 Legacy (Richland (2013−2014) / 32 nm) |
💎 Value Proposition
| Insight | Atom 330 | A6-6400K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($30) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Atom 330 and A6-6400K

Atom 330
The Atom 330 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the Diamondville (2008−2009) architecture. It features 2 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 0.1 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: PBGA437. Thermal design power (TDP): 8 Watt. Passmark benchmark score: 1,530 points. Launch price was $43.

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.
Processing Power
The Atom 330 packs 2 cores / 4 threads, matching the A6-6400K's 2 cores. Boost clocks reach 0.1 GHz on the Atom 330 versus 4.1 GHz on the A6-6400K — a 190.5% clock advantage for the A6-6400K (base: 1.6 GHz vs 3.9 GHz). The Atom 330 uses the Diamondville (2008−2009) architecture (45 nm), while the A6-6400K uses Richland (2013−2014) (32 nm). In PassMark, the Atom 330 scores 1,530 against the A6-6400K's 1,511 — a 1.2% lead for the Atom 330. Both processors carry 0 kB of L3 cache.
| Feature | Atom 330 | A6-6400K |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 0.1 GHz | 4.1 GHz+4000% |
| Base Clock | 1.6 GHz | 3.9 GHz+144% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 1024 kB |
| Process | 45 nm | 32 nm-29% |
| Architecture | Diamondville (2008−2009) | Richland (2013−2014) |
| PassMark | 1,530+1% | 1,511 |
Memory & Platform
The Atom 330 uses the PBGA437 socket (PCIe 2.0), while the A6-6400K uses FM2 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-533 on the Atom 330 versus 1866 on the A6-6400K — the A6-6400K supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A6-6400K supports up to 32 of RAM compared to 4 GB — 155.6% more capacity for professional workloads. Memory channels: 1 (Atom 330) vs 2 (A6-6400K). PCIe lanes: 0 (Atom 330) vs 16 (A6-6400K) — the A6-6400K offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel BGA437 (Atom 330) and FM2 (A6-6400K).
| Feature | Atom 330 | A6-6400K |
|---|---|---|
| Socket | PBGA437 | FM2 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR2-533 | 1866+93200% |
| Max RAM Capacity | 4 GB+13107100% | 32 |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Atom 330) / true (A6-6400K). The A6-6400K includes integrated graphics (Radeon HD 8470D), while the Atom 330 requires a dedicated GPU. Direct competitor: A6-6400K rivals Pentium G3258.
| Feature | Atom 330 | A6-6400K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon HD 8470D |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | true |
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