
Atom E3815 vs Sempron LE-1100

Atom E3815

Sempron LE-1100
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 E3815 is positioned at rank 1103 and the Sempron LE-1100 is on rank 953, so the Sempron LE-1100 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom E3815
Performance Per Dollar Sempron LE-1100
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom E3815 | Sempron LE-1100 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) | 🛑 Legacy (Sparta (2007) / 65 nm) |
💎 Value Proposition
| Insight | Atom E3815 | Sempron LE-1100 |
|---|---|---|
| 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 E3815 and Sempron LE-1100

Atom E3815
The Atom E3815 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 1 cores and 1 threads. Max frequency: 1.47 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 512 kB. Memory support: DDR3. Passmark benchmark score: 365 points. Launch price was $134.

Sempron LE-1100
The Sempron LE-1100 is manufactured by AMD. It was released in 2007-01-01. It is based on the Sparta (2007) architecture. It features 1 cores and 1 threads. Max frequency: 1.9 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 376 points. Launch price was $69.
Processing Power
Both the Atom E3815 and Sempron LE-1100 share an identical 1-core/1-thread configuration. Boost clocks reach 1.47 GHz on the Atom E3815 versus 1.9 GHz on the Sempron LE-1100 — a 25.5% clock advantage for the Sempron LE-1100. The Atom E3815 uses the Bay Trail-I (2013) architecture (22 nm), while the Sempron LE-1100 uses Sparta (2007) (65 nm). In PassMark, the Atom E3815 scores 365 against the Sempron LE-1100's 376 — a 3% lead for the Sempron LE-1100. Both processors carry 0 kB of L3 cache.
| Feature | Atom E3815 | Sempron LE-1100 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.47 GHz | 1.9 GHz+29% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core)+100% | 256 kB |
| Process | 22 nm-66% | 65 nm |
| Architecture | Bay Trail-I (2013) | Sparta (2007) |
| PassMark | 365 | 376+3% |
Memory & Platform
The Atom E3815 uses the FCBGA1170 socket (PCIe 2.0), while the Sempron LE-1100 uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Atom E3815 | Sempron LE-1100 |
|---|---|---|
| Socket | FCBGA1170 | AM2 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3L-1066 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 4 | — |
Advanced Features
The Atom E3815 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Sempron LE-1100 requires a dedicated GPU.
| Feature | Atom E3815 | Sempron LE-1100 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics (Bay Trail) | — |
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