CPU
GPU
Athlon II Neo K145
Celeron U3400
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 II Neo K145 is positioned at rank 1048 and the Celeron U3400 is on rank 1172, so the Athlon II Neo K145 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II Neo K145
Performance Per Dollar Celeron U3400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II Neo K145 | Celeron U3400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($5) |
| Longevity | 🛑 Legacy (Nile (2010) / 45 nm) | 🛑 Legacy (Westmere (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Athlon II Neo K145 | Celeron U3400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+104%) |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ More affordable ($5) |
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 II Neo K145 and Celeron U3400
Athlon II Neo K145
The Athlon II Neo K145 is manufactured by AMD. It was released in 2009-01-01. It is based on the Nile (2010) architecture. It features 1 cores and 1 threads. Max frequency: 1.8 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 565 points. Launch price was $149.
Celeron U3400
The Celeron U3400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Westmere (2010−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.06 GHz, with boost up to 0.07 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 575 points. Launch price was $69.
Processing Power
The Athlon II Neo K145 packs 1 cores / 1 threads, while the Celeron U3400 offers 2 cores / 2 threads — the Celeron U3400 has 1 more core. Boost clocks reach 1.8 GHz on the Athlon II Neo K145 versus 0.07 GHz on the Celeron U3400 — a 185% clock advantage for the Athlon II Neo K145. The Athlon II Neo K145 uses the Nile (2010) architecture (45 nm), while the Celeron U3400 uses Westmere (2010−2011) (32 nm). In PassMark, the Athlon II Neo K145 scores 565 against the Celeron U3400's 575 — a 1.8% lead for the Celeron U3400.
| Feature | Athlon II Neo K145 | Celeron U3400 |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 1.8 GHz+2471% | 0.07 GHz |
| Base Clock | — | 1.06 GHz |
| L3 Cache | — | 2 MB |
| L2 Cache | 1 MB+100% | 512 kB |
| Process | 45 nm | 32 nm-29% |
| Architecture | Nile (2010) | Westmere (2010−2011) |
| PassMark | 565 | 575+2% |
Memory & Platform
The Athlon II Neo K145 uses the S1 socket (PCIe 2.0), while the Celeron U3400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon II Neo K145 | Celeron U3400 |
|---|---|---|
| Socket | S1 | BGA1288 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Value Analysis
The Athlon II Neo K145 launched at $50 MSRP, while the Celeron U3400 debuted at $86. At current prices ($10 vs $5), the Celeron U3400 is $5 cheaper. In terms of value (PassMark points per dollar), the Athlon II Neo K145 delivers 56.5 pts/$ vs 115.0 pts/$ for the Celeron U3400 — making the Celeron U3400 the 68.2% better value option.
| Feature | Athlon II Neo K145 | Celeron U3400 |
|---|---|---|
| MSRP | $50-42% | $86 |
| Avg Price (30d) | $10 | $5-50% |
| Performance per Dollar | 56.5 | 115.0+104% |
| Release Date | 2010 | 2010 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Athlon II Neo K145 and Celeron U3400
