CPU
GPU
Athlon 64 2000+
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 Athlon 64 2000+ is positioned at rank 1088 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 Athlon 64 2000+
Performance Per Dollar Atom N455
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 2000+ | Atom N455 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($20) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Lima (2008−2009) / 65 nm) | 🛑 Legacy (Pinetrail (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Athlon 64 2000+ | Atom N455 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($20) | ✅ More affordable ($0) |
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 Athlon 64 2000+ and Atom N455
Athlon 64 2000+
The Athlon 64 2000+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Lima (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 1 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 8 Watt. Passmark benchmark score: 330 points. Launch price was $149.
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
The Athlon 64 2000+ packs 1 cores / 1 threads, matching the Atom N455's 1 cores. Boost clocks reach 1 GHz on the Athlon 64 2000+ versus 1.67 GHz on the Atom N455 — a 50.2% clock advantage for the Atom N455. The Athlon 64 2000+ uses the Lima (2008−2009) architecture (65 nm), while the Atom N455 uses Pinetrail (2009−2011) (45 nm). In PassMark, the Athlon 64 2000+ scores 330 against the Atom N455's 345 — a 4.4% lead for the Atom N455. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 2000+ | Atom N455 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 2 |
| Boost Clock | 1 GHz | 1.67 GHz+67% |
| Base Clock | — | 1.66 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 512K (per core) |
| Process | 65 nm | 45 nm-31% |
| Architecture | Lima (2008−2009) | Pinetrail (2009−2011) |
| PassMark | 330 | 345+5% |
Memory & Platform
The Athlon 64 2000+ uses the AM2 socket (PCIe 2.0), while the Atom N455 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-400 on the Athlon 64 2000+ versus DDR3-667 on the Atom N455 — the Atom N455 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon 64 2000+ supports up to 16 GB of RAM compared to 2 GB — 155.6% more capacity for professional workloads. Memory channels: 2 (Athlon 64 2000+) vs 1 (Atom N455). PCIe lanes: 16 (Athlon 64 2000+) vs 0 (Atom N455) — the Athlon 64 2000+ offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM2 (Athlon 64 2000+) and Intel NM10 (Atom N455).
| Feature | Athlon 64 2000+ | Atom N455 |
|---|---|---|
| Socket | AM2 | FCBGA559 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-400 | DDR3-667+50% |
| Max RAM Capacity | 16 GB+700% | 2 GB |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
The Atom N455 includes integrated graphics (Intel GMA 3150), while the Athlon 64 2000+ requires a dedicated GPU.
| Feature | Athlon 64 2000+ | Atom N455 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel GMA 3150 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Athlon 64 2000+ and Atom N455
