
Sempron LE-1100 vs Atom E3815

Sempron LE-1100

Atom E3815
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 Sempron LE-1100 is positioned at rank 953 and the Atom E3815 is on rank 1103, 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 Sempron LE-1100
Performance Per Dollar Atom E3815
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron LE-1100 | Atom E3815 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Sparta (2007) / 65 nm) | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) |
💎 Value Proposition
| Insight | Sempron LE-1100 | Atom E3815 |
|---|---|---|
| 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 Sempron LE-1100 and Atom E3815

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.

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.
Processing Power
Both the Sempron LE-1100 and Atom E3815 share an identical 1-core/1-thread configuration. Boost clocks reach 1.9 GHz on the Sempron LE-1100 versus 1.47 GHz on the Atom E3815 — a 25.5% clock advantage for the Sempron LE-1100. The Sempron LE-1100 uses the Sparta (2007) architecture (65 nm), while the Atom E3815 uses Bay Trail-I (2013) (22 nm). In PassMark, the Sempron LE-1100 scores 376 against the Atom E3815's 365 — a 3% lead for the Sempron LE-1100. Both processors carry 0 kB of L3 cache.
| Feature | Sempron LE-1100 | Atom E3815 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.9 GHz+29% | 1.47 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256 kB | 512 kB (per core)+100% |
| Process | 65 nm | 22 nm-66% |
| Architecture | Sparta (2007) | Bay Trail-I (2013) |
| PassMark | 376+3% | 365 |
Memory & Platform
The Sempron LE-1100 uses the AM2 socket (PCIe 2.0), while the Atom E3815 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Sempron LE-1100 | Atom E3815 |
|---|---|---|
| Socket | AM2 | FCBGA1170 |
| 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 | Sempron LE-1100 | Atom E3815 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics (Bay Trail) |
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