Celeron 3965U vs Xeon L5335
Celeron 3965U
Xeon L5335
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 3965U is positioned at rank 265 and the Xeon L5335 is on rank 995, so the Celeron 3965U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 3965U
Performance Per Dollar Xeon L5335
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3965U | Xeon L5335 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($18) |
| Longevity | ✨ Modern (Kaby Lake-U (2017) / 14 nm) | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Celeron 3965U | Xeon L5335 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($18) |
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 3965U and Xeon L5335
Celeron 3965U
The Celeron 3965U is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake-U (2017) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,753 points. Launch price was $107.
Xeon L5335
The Xeon L5335 is manufactured by Intel. It was released in 13 August 2007 (18 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 50 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,737 points. Launch price was $380.
Processing Power
The Celeron 3965U packs 2 cores / 2 threads, while the Xeon L5335 offers 4 cores / 4 threads — the Xeon L5335 has 2 more cores. Boost clocks reach 2.2 GHz on the Celeron 3965U versus 2 GHz on the Xeon L5335 — a 9.5% clock advantage for the Celeron 3965U (base: 2.2 GHz vs 2 GHz). The Celeron 3965U uses the Kaby Lake-U (2017) architecture (14 nm), while the Xeon L5335 uses Clovertown (2006−2007) (65 nm). In PassMark, the Celeron 3965U scores 1,753 against the Xeon L5335's 1,737 — a 0.9% lead for the Celeron 3965U. L3 cache: 2 MB (total) on the Celeron 3965U vs 8 MB L2 Cache on the Xeon L5335.
| Feature | Celeron 3965U | Xeon L5335 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.2 GHz+10% | 2 GHz |
| Base Clock | 2.2 GHz+10% | 2 GHz |
| L3 Cache | 2 MB (total) | 8 MB L2 Cache+300% |
| L2 Cache | 256K (per core) | 4 MB (total)+1500% |
| Process | 14 nm-78% | 65 nm |
| Architecture | Kaby Lake-U (2017) | Clovertown (2006−2007) |
| PassMark | 1,753 | 1,737 |
| Geekbench 6 Single | 600 | — |
| Geekbench 6 Multi | 1,200 | — |
Memory & Platform
The Celeron 3965U uses the BGA1356 socket (PCIe 3.0), while the Xeon L5335 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Celeron 3965U | Xeon L5335 |
|---|---|---|
| Socket | BGA1356 | LGA771 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2133 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 10 | — |
Advanced Features
Virtualization: VT-x (Celeron 3965U) / not specified (Xeon L5335). The Celeron 3965U includes integrated graphics (Intel HD Graphics 610), while the Xeon L5335 requires a dedicated GPU. Primary use case: Celeron 3965U targets Budget Laptop. Direct competitor: Celeron 3965U rivals Pentium Gold 4415U.
| Feature | Celeron 3965U | Xeon L5335 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics 610 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget Laptop | — |
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