Pentium G840 vs A6-3430MX
Pentium G840
A6-3430MX
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 Pentium G840 is positioned at rank 764 and the A6-3430MX is on rank 822, so the Pentium G840 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G840
Performance Per Dollar A6-3430MX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G840 | A6-3430MX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Pentium G840 | A6-3430MX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 Pentium G840 and A6-3430MX
Pentium G840
The Pentium G840 is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,367 points. Launch price was $60.
A6-3430MX
The A6-3430MX 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 1.7 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): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,389 points. Launch price was $70.
Processing Power
The Pentium G840 packs 2 cores / 2 threads, while the A6-3430MX offers 4 cores / 4 threads — the A6-3430MX has 2 more cores. Boost clocks reach 2.8 GHz on the Pentium G840 versus 2.4 GHz on the A6-3430MX — a 15.4% clock advantage for the Pentium G840 (base: 2.8 GHz vs 1.7 GHz). The Pentium G840 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the A6-3430MX uses Llano (2011−2012) (32 nm). In PassMark, the Pentium G840 scores 1,367 against the A6-3430MX's 1,389 — a 1.6% lead for the A6-3430MX. L3 cache: 3 MB (total) on the Pentium G840 vs 0 kB on the A6-3430MX.
| Feature | Pentium G840 | A6-3430MX |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.8 GHz+17% | 2.4 GHz |
| Base Clock | 2.8 GHz+65% | 1.7 GHz |
| L3 Cache | 3 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 1 MB (per core)+300% |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Llano (2011−2012) |
| PassMark | 1,367 | 1,389+2% |
| Geekbench 6 Single | — | 254 |
Memory & Platform
The Pentium G840 uses the LGA1155 socket (PCIe 2.0), while the A6-3430MX uses FS1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium G840 | A6-3430MX |
|---|---|---|
| Socket | LGA1155 | FS1 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1600 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Pentium G840) / AMD-V (A6-3430MX). The A6-3430MX includes integrated graphics (Radeon HD 6520G), while the Pentium G840 requires a dedicated GPU. Primary use case: A6-3430MX targets Budget Laptop. Direct competitor: A6-3430MX rivals Core i3-2350M.
| Feature | Pentium G840 | A6-3430MX |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon HD 6520G |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Budget Laptop |
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