CPU
GPU
A4 PRO-3340B
Celeron G1820
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 A4 PRO-3340B is positioned at rank 637 and the Celeron G1820 is on rank 895, so the A4 PRO-3340B offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A4 PRO-3340B
Performance Per Dollar Celeron G1820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A4 PRO-3340B | Celeron G1820 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Kabini (2013−2014) / 28 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | A4 PRO-3340B | Celeron G1820 |
|---|---|---|
| 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 A4 PRO-3340B and Celeron G1820
A4 PRO-3340B
The A4 PRO-3340B is manufactured by AMD. It was released in 20 December 2014 (10 years ago). It is based on the Kabini (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: FT3. Thermal design power (TDP): 25 Watt. Memory support: DDR3/DDR3L-1600. Passmark benchmark score: 1,709 points. Launch price was $69.
Celeron G1820
The Celeron G1820 is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 2 MB. L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 53 Watt. Memory support: DDR3. Passmark benchmark score: 1,696 points. Launch price was $110.
Processing Power
The A4 PRO-3340B packs 4 cores / 4 threads, while the Celeron G1820 offers 2 cores / 2 threads — the A4 PRO-3340B has 2 more cores. Boost clocks reach 2.2 GHz on the A4 PRO-3340B versus 2.7 GHz on the Celeron G1820 — a 20.4% clock advantage for the Celeron G1820 (base: 2.2 GHz vs 2.7 GHz). The A4 PRO-3340B uses the Kabini (2013−2014) architecture (28 nm), while the Celeron G1820 uses Haswell (2013−2015) (22 nm). In PassMark, the A4 PRO-3340B scores 1,709 against the Celeron G1820's 1,696 — a 0.8% lead for the A4 PRO-3340B. Geekbench 6 single-core — the metric most relevant to gaming — records 200 vs 496, a 85.1% lead for the Celeron G1820 that directly translates to higher frame rates.
| Feature | A4 PRO-3340B | Celeron G1820 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.2 GHz | 2.7 GHz+23% |
| Base Clock | 2.2 GHz | 2.7 GHz+23% |
| L3 Cache | — | 2 MB |
| L2 Cache | 2048 kB+700% | 256 kB (per core) |
| Process | 28 nm | 22 nm-21% |
| Architecture | Kabini (2013−2014) | Haswell (2013−2015) |
| PassMark | 1,709 | 1,696 |
| Geekbench 6 Single | 200 | 496+148% |
| Geekbench 6 Multi | — | 910 |
Memory & Platform
The A4 PRO-3340B uses the FT3 socket (PCIe 2.0), while the Celeron G1820 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1600 memory speed. The Celeron G1820 supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Memory channels: 1 (A4 PRO-3340B) vs 2 (Celeron G1820). PCIe lanes: 8 (A4 PRO-3340B) vs 16 (Celeron G1820) — the Celeron G1820 offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | A4 PRO-3340B | Celeron G1820 |
|---|---|---|
| Socket | FT3 | LGA1150 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1600 | DDR3-1333 |
| Max RAM Capacity | 16 GB | 32 GB+100% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 8 | 16+100% |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (A4 PRO-3340B) vs VT-x (Celeron G1820). Both include integrated graphics — Radeon HD 8240 (A4 PRO-3340B) and HD Graphics (Haswell) (Celeron G1820) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A4 PRO-3340B targets Business Laptop, Celeron G1820 targets Budget. Direct competitor: A4 PRO-3340B rivals Pentium N3520; Celeron G1820 rivals Pentium G3220.
| Feature | A4 PRO-3340B | Celeron G1820 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon HD 8240 | HD Graphics (Haswell) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Business Laptop | Budget |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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