CPU
GPU
Celeron 3965Y
Athlon II Neo K345
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 Celeron 3965Y is positioned at rank 198 and the Athlon II Neo K345 is on rank 812, 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 Celeron 3965Y
Performance Per Dollar Athlon II Neo K345
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3965Y | Athlon II Neo K345 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | 🛑 Legacy (Champlain (2010−2011) / 45 nm) |
💎 Value Proposition
| Insight | Celeron 3965Y | Athlon II Neo K345 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
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 Celeron 3965Y and Athlon II Neo K345
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.
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.
Processing Power
Both the Celeron 3965Y and Athlon II Neo K345 share an identical 2-core/2-thread configuration. Boost clocks reach 1.3 GHz on the Celeron 3965Y versus 1.4 GHz on the Athlon II Neo K345 — a 7.4% clock advantage for the Athlon II Neo K345. The Celeron 3965Y uses the Kaby Lake (2016−2019) architecture (14 nm), while the Athlon II Neo K345 uses Champlain (2010−2011) (45 nm). In PassMark, the Celeron 3965Y scores 1,201 against the Athlon II Neo K345's 1,191 — a 0.8% lead for the Celeron 3965Y.
| Feature | Celeron 3965Y | Athlon II Neo K345 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.3 GHz | 1.4 GHz+8% |
| Base Clock | 1.5 GHz | — |
| L3 Cache | 2 MB | — |
| L2 Cache | 512 kB | 1 MB+100% |
| Process | 14 nm-69% | 45 nm |
| Architecture | Kaby Lake (2016−2019) | Champlain (2010−2011) |
| PassMark | 1,201 | 1,191 |
| Geekbench 6 Single | 372 | — |
| Geekbench 6 Multi | 708 | — |
Memory & Platform
The Celeron 3965Y uses the FCBGA1515 socket (PCIe 3.0), while the Athlon II Neo K345 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to LPDDR3-1866 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: 10 (Celeron 3965Y) vs 0 (Athlon II Neo K345) — the Celeron 3965Y offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Celeron 3965Y) and AMD ASB2 (Athlon II Neo K345).
| Feature | Celeron 3965Y | Athlon II Neo K345 |
|---|---|---|
| Socket | FCBGA1515 | S1 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | LPDDR3-1866 | DDR3-1066 |
| Max RAM Capacity | 16 GB+300% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 10 | 0 |
Advanced Features
Virtualization: VT-x, VT-d (Celeron 3965Y) / not specified (Athlon II Neo K345). 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 | Celeron 3965Y | Athlon II Neo K345 |
|---|---|---|
| Integrated GPU | Yes | No |
| 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 Celeron 3965Y and Athlon II Neo K345
