
Celeron 1047UE

Atom E3827
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 1047UE is positioned at rank 1170 and the Atom E3827 is on rank 953, so the Atom E3827 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 1047UE
Performance Per Dollar Atom E3827
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 1047UE | Atom E3827 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($100) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) |
💎 Value Proposition
| Insight | Celeron 1047UE | Atom E3827 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($100) | ✅ 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 1047UE and Atom E3827

Celeron 1047UE
The Celeron 1047UE 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. Max frequency: 1.4 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 512 kB + 2 MB. Memory support: DDR3. Passmark benchmark score: 675 points. Launch price was $134.

Atom E3827
The Atom E3827 is manufactured by Intel. It was released in 8 October 2013 (12 years ago). It is based on the Bay Trail-I (2013) architecture. It features 2 cores and 2 threads. Max frequency: 1.75 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 8 Watt. Memory support: DDR3. Passmark benchmark score: 665 points. Launch price was $69.
Processing Power
Both the Celeron 1047UE and Atom E3827 share an identical 2-core/2-thread configuration. Boost clocks reach 1.4 GHz on the Celeron 1047UE versus 1.75 GHz on the Atom E3827 — a 22.2% clock advantage for the Atom E3827. The Celeron 1047UE uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Atom E3827 uses Bay Trail-I (2013) (22 nm). In PassMark, the Celeron 1047UE scores 675 against the Atom E3827's 665 — a 1.5% lead for the Celeron 1047UE. L3 cache: 2 MB (total) on the Celeron 1047UE vs 0 kB on the Atom E3827.
| Feature | Celeron 1047UE | Atom E3827 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.4 GHz | 1.75 GHz+25% |
| L3 Cache | 2 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 512 kB (per core)+100% |
| Process | 22 nm | 22 nm |
| Architecture | Ivy Bridge (2012−2013) | Bay Trail-I (2013) |
| PassMark | 675+2% | 665 |
| Geekbench 6 Single | 159 | — |
| Geekbench 6 Multi | 293 | — |
Memory & Platform
The Celeron 1047UE uses the BGA1023 socket (PCIe 3.0), while the Atom E3827 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1600 memory speed. The Celeron 1047UE supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron 1047UE) vs 4 (Atom E3827) — the Celeron 1047UE offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: BGA1023 (Celeron 1047UE) and Intel FCBGA1170 (Atom E3827).
| Feature | Celeron 1047UE | Atom E3827 |
|---|---|---|
| Socket | BGA1023 | FCBGA1170 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1600 | DDR3L-1333 |
| Max RAM Capacity | 16 GB+100% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 16+300% | 4 |
Advanced Features
Virtualization: VT-x (Celeron 1047UE) / not specified (Atom E3827). Both include integrated graphics — Intel HD Graphics (Ivy Bridge) (Celeron 1047UE) and Intel HD Graphics (Bay Trail) (Atom E3827) — useful as a fallback for troubleshooting or display output without a dedicated GPU.
| Feature | Celeron 1047UE | Atom E3827 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics (Ivy Bridge) | Intel HD Graphics (Bay Trail) |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















