
Atom E3815

Sempron LE-1100
Atom E3815 vs Sempron LE-1100 Performance Spectrum
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.
Atom E3815 vs Sempron LE-1100 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Atom E3815 vs Sempron LE-1100: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Atom E3815
2013Why buy it
- ✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with Intel HD Graphics (Bay Trail), while Sempron LE-1100 needs a discrete GPU.
Trade-offs
- ❌Lower PassMark (365 vs 376).
- ❌1037.8% higher power demand at 512W vs 45W.
Sempron LE-1100
2007Why buy it
- ✅Draws 45W instead of 512W, a 467W reduction.
Trade-offs
- ❌No integrated graphics, while Atom E3815 can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Sempron LE-1100 better than Atom E3815?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Atom E3815 vs Sempron LE-1100 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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 | Yes | — |
| 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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