CPU
GPU
Atom E680
Atom N455
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 E680 is positioned at rank 952 and the Atom N455 is on rank 633, 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 E680
Performance Per Dollar Atom N455
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom E680 | Atom N455 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Tunnel Creek (2010) / 45 nm) | 🛑 Legacy (Pinetrail (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Atom E680 | Atom N455 |
|---|---|---|
| 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 E680 and Atom N455
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.
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.
Processing Power
Both the Atom E680 and Atom N455 share an identical 1-core/2-thread configuration. Boost clocks reach 1.6 GHz on the Atom E680 versus 1.67 GHz on the Atom N455 — a 4.3% clock advantage for the Atom N455. The Atom E680 uses the Tunnel Creek (2010) architecture (45 nm), while the Atom N455 uses Pinetrail (2009−2011) (45 nm). In PassMark, the Atom E680 scores 325 against the Atom N455's 345 — a 6% lead for the Atom N455. Both processors carry 0 kB of L3 cache.
| Feature | Atom E680 | Atom N455 |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 2 |
| Boost Clock | 1.6 GHz | 1.67 GHz+4% |
| Base Clock | — | 1.66 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 512K (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Tunnel Creek (2010) | Pinetrail (2009−2011) |
| PassMark | 325 | 345+6% |
Memory & Platform
The Atom E680 uses the BGA676 socket (PCIe 2.0), while the Atom N455 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Atom E680 versus DDR3-667 on the Atom N455 — 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: 4 (Atom E680) vs 0 (Atom N455) — the Atom E680 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA518 (Atom E680) and Intel NM10 (Atom N455).
| Feature | Atom E680 | Atom N455 |
|---|---|---|
| Socket | BGA676 | FCBGA559 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-800 | DDR3-667+50% |
| Max RAM Capacity | 2 GB | 2 GB |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 4 | 0 |
Advanced Features
Both include integrated graphics — Intel GMA 600 (Atom E680) and Intel GMA 3150 (Atom N455) — useful as a fallback for troubleshooting or display output without a dedicated GPU.
| Feature | Atom E680 | Atom N455 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel GMA 600 | Intel GMA 3150 |
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