Celeron 847 vs Celeron 1020M
Celeron 847
Celeron 1020M
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 Celeron 1020M is on rank 170, so the Celeron 1020M 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 Celeron 1020M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 847 | Celeron 1020M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior 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 (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Celeron 847 | Celeron 1020M |
|---|---|---|
| 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 Celeron 1020M
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.
Celeron 1020M
The Celeron 1020M is manufactured by Intel. It was released in 20 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,275 points. Launch price was $86.
Processing Power
Both the Celeron 847 and Celeron 1020M share an identical 2-core/2-thread configuration. Boost clocks reach 1.1 GHz on the Celeron 847 versus 2.1 GHz on the Celeron 1020M — a 62.5% clock advantage for the Celeron 1020M (base: 1.1 GHz vs 2.1 GHz). The Celeron 847 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Celeron 1020M uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Celeron 847 scores 1,270 against the Celeron 1020M's 1,275 — a 0.4% lead for the Celeron 1020M. Both processors carry 2 MB (total) of L3 cache.
| Feature | Celeron 847 | Celeron 1020M |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.1 GHz | 2.1 GHz+91% |
| Base Clock | 1.1 GHz | 2.1 GHz+91% |
| L3 Cache | 2 MB (total) | 2 MB (total) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Sandy Bridge (2011−2013) | Ivy Bridge (2012−2013) |
| PassMark | 1,270 | 1,275 |
| Geekbench 6 Single | 196 | — |
| Geekbench 6 Multi | 354 | — |
Memory & Platform
The Celeron 847 uses the BGA1023 socket (PCIe 2.0), while the Celeron 1020M uses PGA988 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Celeron 1020M supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM65,HM67 (Celeron 847) and HM77,HM76,HM75 (Celeron 1020M).
| Feature | Celeron 847 | Celeron 1020M |
|---|---|---|
| Socket | BGA1023 | PGA988 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR3-1600 |
| Max RAM Capacity | 16 GB | 32 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x virtualization. Both include integrated graphics — HD Graphics (Sandy Bridge) (Celeron 847) and HD Graphics (Ivy Bridge) (Celeron 1020M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 847 targets Budget, Celeron 1020M targets Budget. Direct competitor: Celeron 847 rivals Pentium 967; Celeron 1020M rivals Pentium 2020M.
| Feature | Celeron 847 | Celeron 1020M |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Sandy Bridge) | HD Graphics (Ivy Bridge) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | Budget | Budget |
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