A6-3420M vs Celeron 5305U
A6-3420M
Celeron 5305U
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 A6-3420M is positioned at rank 837 and the Celeron 5305U is on rank 656, so the Celeron 5305U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A6-3420M
Performance Per Dollar Celeron 5305U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-3420M | Celeron 5305U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Llano (2011−2012) / 32 nm) | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | A6-3420M | Celeron 5305U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 A6-3420M and Celeron 5305U
A6-3420M
The A6-3420M is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.4 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FS1. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,310 points. Launch price was $70.
Celeron 5305U
The Celeron 5305U is manufactured by Intel. It was released in 2007-01-01. It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 2 threads. Base frequency is 2.3 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2400, LPDDR3-2133. Passmark benchmark score: 1,307 points. Launch price was $69.
Processing Power
The A6-3420M packs 4 cores / 4 threads, while the Celeron 5305U offers 2 cores / 2 threads — the A6-3420M has 2 more cores. Boost clocks reach 2.4 GHz on the A6-3420M versus 2.3 GHz on the Celeron 5305U — a 4.3% clock advantage for the A6-3420M (base: 1.5 GHz vs 2.3 GHz). The A6-3420M uses the Llano (2011−2012) architecture (32 nm), while the Celeron 5305U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the A6-3420M scores 1,310 against the Celeron 5305U's 1,307 — a 0.2% lead for the A6-3420M. Geekbench 6 single-core — the metric most relevant to gaming — records 234 vs 480, a 68.9% lead for the Celeron 5305U that directly translates to higher frame rates. L3 cache: 0 kB on the A6-3420M vs 2 MB on the Celeron 5305U.
| Feature | A6-3420M | Celeron 5305U |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.4 GHz+4% | 2.3 GHz |
| Base Clock | 1.5 GHz | 2.3 GHz+53% |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 1 MB (per core) | — |
| Process | 32 nm | 14 nm-56% |
| Architecture | Llano (2011−2012) | Comet Lake-U (2019−2020) |
| PassMark | 1,310 | 1,307 |
| Geekbench 6 Single | 234 | 480+105% |
| Geekbench 6 Multi | — | 865 |
Memory & Platform
The A6-3420M uses the FS1 socket (PCIe 2.0), while the Celeron 5305U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the A6-3420M versus DDR4-2400 on the Celeron 5305U — the Celeron 5305U supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 5305U supports up to 64 GB of RAM compared to 8 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (A6-3420M) vs 12 (Celeron 5305U) — the A6-3420M offers 4 more lanes for additional GPUs or NVMe drives.
| Feature | A6-3420M | Celeron 5305U |
|---|---|---|
| Socket | FS1 | FCBGA1528 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR4-2400+33% |
| Max RAM Capacity | 8 GB | 64 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16+33% | 12 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (A6-3420M) vs VT-x, VT-d (Celeron 5305U). Both include integrated graphics — Radeon HD 6520G (A6-3420M) and UHD Graphics (Comet Lake) (Celeron 5305U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A6-3420M targets Budget Laptop, Celeron 5305U targets Budget. Direct competitor: A6-3420M rivals Core i3-2330M; Celeron 5305U rivals Pentium Gold 6405U.
| Feature | A6-3420M | Celeron 5305U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon HD 6520G | UHD Graphics (Comet Lake) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | Budget Laptop | Budget |
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