Celeron 847 vs A4-4020
Celeron 847
A4-4020
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 Celeron 847 is positioned at rank 1093 and the A4-4020 is on rank 768, so the A4-4020 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 847
Performance Per Dollar A4-4020
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 847 | A4-4020 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Richland (2013−2014) / 32 nm) |
💎 Value Proposition
| Insight | Celeron 847 | A4-4020 |
|---|---|---|
| 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 Celeron 847 and A4-4020
Celeron 847
The Celeron 847 is manufactured by Intel. It was released in 19 June 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.1 GHz, with boost up to 1.1 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,270 points. Launch price was $134.
A4-4020
The A4-4020 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 3.2 GHz, with boost up to 3.4 GHz. L2 cache: 1 MB (total). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1333. Passmark benchmark score: 1,269 points. Launch price was $50.
Processing Power
Both the Celeron 847 and A4-4020 share an identical 2-core/2-thread configuration. Boost clocks reach 1.1 GHz on the Celeron 847 versus 3.4 GHz on the A4-4020 — a 102.2% clock advantage for the A4-4020 (base: 1.1 GHz vs 3.2 GHz). The Celeron 847 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the A4-4020 uses Richland (2013−2014) (32 nm). In PassMark, the Celeron 847 scores 1,270 against the A4-4020's 1,269 — a 0.1% lead for the Celeron 847. Geekbench 6 single-core — the metric most relevant to gaming — records 196 vs 341, a 54% lead for the A4-4020 that directly translates to higher frame rates.
| Feature | Celeron 847 | A4-4020 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.1 GHz | 3.4 GHz+209% |
| Base Clock | 1.1 GHz | 3.2 GHz+191% |
| L3 Cache | 2 MB (total) | — |
| L2 Cache | 256K (per core) | 1 MB (total)+300% |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Richland (2013−2014) |
| PassMark | 1,270 | 1,269 |
| Geekbench 6 Single | 196 | 341+74% |
| Geekbench 6 Multi | 354 | — |
Memory & Platform
The Celeron 847 uses the BGA1023 socket (PCIe 2.0), while the A4-4020 uses FM2 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM65,HM67 (Celeron 847) and A55,A58,A68H,A75,A78,A88X (A4-4020).
| Feature | Celeron 847 | A4-4020 |
|---|---|---|
| Socket | BGA1023 | FM2 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR3-1333 |
| Max RAM Capacity | 16 GB | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Celeron 847) vs AMD-V (A4-4020). Both include integrated graphics — HD Graphics (Sandy Bridge) (Celeron 847) and Radeon HD 7480D (A4-4020) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 847 targets Budget, A4-4020 targets Budget Desktop. Direct competitor: Celeron 847 rivals Pentium 967; A4-4020 rivals Pentium G3220.
| Feature | Celeron 847 | A4-4020 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Sandy Bridge) | Radeon HD 7480D |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Budget | Budget Desktop |
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