Atom E3845 vs Celeron N2815
Atom E3845
Celeron N2815
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 Atom E3845 is positioned at rank 764 and the Celeron N2815 is on rank 405, so the Celeron N2815 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom E3845
Performance Per Dollar Celeron N2815
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom E3845 | Celeron N2815 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) | 🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Atom E3845 | Celeron N2815 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Atom E3845 and Celeron N2815
Atom E3845
The Atom E3845 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 4 cores and 4 threads. Max frequency: 1.91 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 10 Watt. Memory support: DDR3. Passmark benchmark score: 1,071 points. Launch price was $69.
Celeron N2815
The Celeron N2815 is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 2.13 GHz. L3 cache: 1 MB. L2 cache: 1 MB. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3L-1066. Passmark benchmark score: 1,068 points. Launch price was $107.
Processing Power
The Atom E3845 packs 4 cores / 4 threads, while the Celeron N2815 offers 2 cores / 2 threads — the Atom E3845 has 2 more cores. Boost clocks reach 1.91 GHz on the Atom E3845 versus 2.13 GHz on the Celeron N2815 — a 10.9% clock advantage for the Celeron N2815. The Atom E3845 uses the Bay Trail-I (2013) architecture (22 nm), while the Celeron N2815 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Atom E3845 scores 1,071 against the Celeron N2815's 1,068 — a 0.3% lead for the Atom E3845. L3 cache: 0 kB on the Atom E3845 vs 1 MB on the Celeron N2815.
| Feature | Atom E3845 | Celeron N2815 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 1.91 GHz | 2.13 GHz+12% |
| Base Clock | — | 1.86 GHz |
| L3 Cache | 0 kB | 1 MB |
| L2 Cache | 512 kB (per core) | 1 MB+100% |
| Process | 22 nm | 22 nm |
| Architecture | Bay Trail-I (2013) | Bay Trail-M (2013−2014) |
| PassMark | 1,071 | 1,068 |
Memory & Platform
Both processors use the FCBGA1170 socket with PCIe 2.0. Maximum memory speed reaches DDR3L-1333 on the Atom E3845 versus 1066 on the Celeron N2815 — the Celeron N2815 supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 4 PCIe lanes. Chipset compatibility: Intel FCBGA1170 (Atom E3845) and FCBGA1170 (Celeron N2815).
| Feature | Atom E3845 | Celeron N2815 |
|---|---|---|
| Socket | FCBGA1170 | FCBGA1170 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3L-1333 | 1066+35433% |
| Max RAM Capacity | 8 GB+104857500% | 8 |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 4 | 4 |
Advanced Features
Virtualization: not specified (Atom E3845) / true (Celeron N2815). Both include integrated graphics — Intel HD Graphics (Bay Trail) (Atom E3845) and Intel HD Graphics (Bay Trail) (Celeron N2815) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Celeron N2815 rivals AMD A4-1250.
| Feature | Atom E3845 | Celeron N2815 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics (Bay Trail) | Intel HD Graphics (Bay Trail) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
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