CPU
GPU
Atom N455
Atom E680
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 N455 is positioned at rank 633 and the Atom E680 is on rank 952, so the Atom N455 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom N455
Performance Per Dollar Atom E680
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom N455 | Atom E680 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Pinetrail (2009−2011) / 45 nm) | 🛑 Legacy (Tunnel Creek (2010) / 45 nm) |
💎 Value Proposition
| Insight | Atom N455 | Atom E680 |
|---|---|---|
| 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 N455 and Atom E680
Atom N455
The Atom N455 is manufactured by Intel. It was released in 1 June 2010 (15 years ago). It is based on the Pinetrail (2009−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.66 GHz, with boost up to 1.67 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 6.5 Watt. Memory support: DDR3. Passmark benchmark score: 345 points. Launch price was $64.
Atom E680
The Atom E680 is manufactured by Intel. It was released in 14 September 2010 (15 years ago). It is based on the Tunnel Creek (2010) architecture. It features 1 cores and 2 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: BGA676. Thermal design power (TDP): 4 Watt. Memory support: DDR2. Passmark benchmark score: 325 points. Launch price was $69.
Processing Power
Both the Atom N455 and Atom E680 share an identical 1-core/2-thread configuration. Boost clocks reach 1.67 GHz on the Atom N455 versus 1.6 GHz on the Atom E680 — a 4.3% clock advantage for the Atom N455. The Atom N455 uses the Pinetrail (2009−2011) architecture (45 nm), while the Atom E680 uses Tunnel Creek (2010) (45 nm). In PassMark, the Atom N455 scores 345 against the Atom E680's 325 — a 6% lead for the Atom N455. Both processors carry 0 kB of L3 cache.
| Feature | Atom N455 | Atom E680 |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 2 |
| Boost Clock | 1.67 GHz+4% | 1.6 GHz |
| Base Clock | 1.66 GHz | — |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512K (per core) | 512 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Pinetrail (2009−2011) | Tunnel Creek (2010) |
| PassMark | 345+6% | 325 |
Memory & Platform
The Atom N455 uses the FCBGA559 socket (PCIe 2.0), while the Atom E680 uses BGA676 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-667 on the Atom N455 versus DDR2-800 on the Atom E680 — the Atom N455 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 2 GB of RAM. Both feature 1-channel memory with ECC support. PCIe lanes: 0 (Atom N455) vs 4 (Atom E680) — the Atom E680 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel NM10 (Atom N455) and Intel FCBGA518 (Atom E680).
| Feature | Atom N455 | Atom E680 |
|---|---|---|
| Socket | FCBGA559 | BGA676 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-667+50% | DDR2-800 |
| Max RAM Capacity | 2 GB | 2 GB |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 4 |
Advanced Features
Both include integrated graphics — Intel GMA 3150 (Atom N455) and Intel GMA 600 (Atom E680) — useful as a fallback for troubleshooting or display output without a dedicated GPU.
| Feature | Atom N455 | Atom E680 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel GMA 3150 | Intel GMA 600 |
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