Athlon II Neo K345 vs Celeron 3965Y
Athlon II Neo K345
Celeron 3965Y
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 K345 is positioned at rank 812 and the Celeron 3965Y is on rank 198, so the Celeron 3965Y 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 K345
Performance Per Dollar Celeron 3965Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II Neo K345 | Celeron 3965Y |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Champlain (2010−2011) / 45 nm) | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) |
💎 Value Proposition
| Insight | Athlon II Neo K345 | Celeron 3965Y |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ 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 II Neo K345 and Celeron 3965Y
Athlon II Neo K345
The Athlon II Neo K345 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 1.4 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: 1,191 points. Launch price was $149.
Celeron 3965Y
The Celeron 3965Y is manufactured by Intel. It was released in 2007-01-01. It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 2 threads. Base frequency is 1.5 GHz, with boost up to 1.3 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 1,201 points. Launch price was $69.
Processing Power
Both the Athlon II Neo K345 and Celeron 3965Y share an identical 2-core/2-thread configuration. Boost clocks reach 1.4 GHz on the Athlon II Neo K345 versus 1.3 GHz on the Celeron 3965Y — a 7.4% clock advantage for the Athlon II Neo K345. The Athlon II Neo K345 uses the Champlain (2010−2011) architecture (45 nm), while the Celeron 3965Y uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Athlon II Neo K345 scores 1,191 against the Celeron 3965Y's 1,201 — a 0.8% lead for the Celeron 3965Y.
| Feature | Athlon II Neo K345 | Celeron 3965Y |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.4 GHz+8% | 1.3 GHz |
| Base Clock | — | 1.5 GHz |
| L3 Cache | — | 2 MB |
| L2 Cache | 1 MB+100% | 512 kB |
| Process | 45 nm | 14 nm-69% |
| Architecture | Champlain (2010−2011) | Kaby Lake (2016−2019) |
| PassMark | 1,191 | 1,201 |
| Geekbench 6 Single | — | 372 |
| Geekbench 6 Multi | — | 708 |
Memory & Platform
The Athlon II Neo K345 uses the S1 socket (PCIe 2.0), while the Celeron 3965Y uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. The Celeron 3965Y supports up to 16 GB of RAM compared to 4 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II Neo K345) vs 10 (Celeron 3965Y) — the Celeron 3965Y offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD ASB2 (Athlon II Neo K345) and SoC (Celeron 3965Y).
| Feature | Athlon II Neo K345 | Celeron 3965Y |
|---|---|---|
| Socket | S1 | FCBGA1515 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1066 | LPDDR3-1866 |
| Max RAM Capacity | 4 GB | 16 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 10 |
Advanced Features
Virtualization: not specified (Athlon II Neo K345) / VT-x, VT-d (Celeron 3965Y). The Celeron 3965Y includes integrated graphics (Intel HD Graphics 615), while the Athlon II Neo K345 requires a dedicated GPU. Primary use case: Celeron 3965Y targets Low Power. Direct competitor: Celeron 3965Y rivals Pentium Gold 4415Y.
| Feature | Athlon II Neo K345 | Celeron 3965Y |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel HD Graphics 615 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Low Power |
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 K345 and Celeron 3965Y
