
A6-3420M vs Celeron M 743

A6-3420M

Celeron M 743
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 M 743 is on rank 1029, so the A6-3420M 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 M 743
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-3420M | Celeron M 743 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Llano (2011−2012) / 32 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | A6-3420M | Celeron M 743 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
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 M 743

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 M 743
The Celeron M 743 is manufactured by Intel. It was released in 1 September 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 1 cores and 1 threads. Max frequency: 1.3 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: BGA965. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,324 points. Launch price was $107.
Processing Power
The A6-3420M packs 4 cores / 4 threads, while the Celeron M 743 offers 1 cores / 1 threads — the A6-3420M has 3 more cores. Boost clocks reach 2.4 GHz on the A6-3420M versus 1.3 GHz on the Celeron M 743 — a 59.5% clock advantage for the A6-3420M. The A6-3420M uses the Llano (2011−2012) architecture (32 nm), while the Celeron M 743 uses Penryn (2008−2011) (45 nm). In PassMark, the A6-3420M scores 1,310 against the Celeron M 743's 1,324 — a 1.1% lead for the Celeron M 743.
| Feature | A6-3420M | Celeron M 743 |
|---|---|---|
| Cores / Threads | 4 / 4+300% | 1 / 1 |
| Boost Clock | 2.4 GHz+85% | 1.3 GHz |
| Base Clock | 1.5 GHz | — |
| L3 Cache | 0 kB | — |
| L2 Cache | 1 MB (per core) | 1 MB |
| Process | 32 nm-29% | 45 nm |
| Architecture | Llano (2011−2012) | Penryn (2008−2011) |
| PassMark | 1,310 | 1,324+1% |
| Geekbench 6 Single | 234 | — |
Memory & Platform
The A6-3420M uses the FS1 socket (PCIe 2.0), while the Celeron M 743 uses BGA965 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | A6-3420M | Celeron M 743 |
|---|---|---|
| Socket | FS1 | BGA965 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: AMD-V (A6-3420M) / not specified (Celeron M 743). The A6-3420M includes integrated graphics (Radeon HD 6520G), while the Celeron M 743 requires a dedicated GPU. Primary use case: A6-3420M targets Budget Laptop. Direct competitor: A6-3420M rivals Core i3-2330M.
| Feature | A6-3420M | Celeron M 743 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon HD 6520G | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Budget Laptop | — |
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