
Xeon X5272 vs Celeron 3955U

Xeon X5272

Celeron 3955U
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 Xeon X5272 is positioned at rank 1029 and the Celeron 3955U is on rank 616, so the Celeron 3955U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5272
Performance Per Dollar Celeron 3955U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5272 | Celeron 3955U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($76) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Legacy / 45 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Xeon X5272 | Celeron 3955U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($76) | ✅ 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 Xeon X5272 and Celeron 3955U

Xeon X5272
The Xeon X5272 is manufactured by Intel. It was released in 2015-01-01. Base frequency: 3.4 GHz. L3 cache: 6 MB L2 Cache. Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Passmark benchmark score: 1,451 points. Launch price was $800.

Celeron 3955U
The Celeron 3955U is manufactured by Intel. It was released in 15 August 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600. Passmark benchmark score: 1,443 points. Launch price was $107.
Processing Power
The Celeron 3955U is built on the Skylake (2015−2016) architecture. In PassMark, the Xeon X5272 scores 1,451 against the Celeron 3955U's 1,443 — a 0.6% lead for the Xeon X5272. L3 cache: 6 MB L2 Cache on the Xeon X5272 vs 2 MB on the Celeron 3955U.
| Feature | Xeon X5272 | Celeron 3955U |
|---|---|---|
| Cores / Threads | — | 2 / 2 |
| Boost Clock | — | 2 GHz |
| Base Clock | 3.4 GHz+70% | 2 GHz |
| L3 Cache | 6 MB L2 Cache+200% | 2 MB |
| L2 Cache | — | 512 kB |
| Process | 45 nm | 14 nm-69% |
| Architecture | — | Skylake (2015−2016) |
| PassMark | 1,451 | 1,443 |
| Geekbench 6 Single | — | 431 |
| Geekbench 6 Multi | — | 741 |
Memory & Platform
The Xeon X5272 uses the LGA771 socket (PCIe 2.0), while the Celeron 3955U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2 on the Xeon X5272 versus DDR4-2133 on the Celeron 3955U — the Celeron 3955U supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon X5272 supports up to 128 GB of RAM compared to 32 GB — 120% more capacity for professional workloads. Memory channels: 4 (Xeon X5272) vs 2 (Celeron 3955U). PCIe lanes: 0 (Xeon X5272) vs 12 (Celeron 3955U) — the Celeron 3955U offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 5100,Intel 5400 (Xeon X5272) and Sunrise Point-LP (Celeron 3955U).
| Feature | Xeon X5272 | Celeron 3955U |
|---|---|---|
| Socket | LGA771 | BGA1356 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR2 | DDR4-2133+100% |
| Max RAM Capacity | 128 GB+300% | 32 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | 12 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Xeon X5272) vs VT-x, VT-d (Celeron 3955U). The Celeron 3955U includes integrated graphics (HD Graphics 510), while the Xeon X5272 requires a dedicated GPU. Primary use case: Xeon X5272 targets Server, Celeron 3955U targets Budget. Direct competitor: Celeron 3955U rivals Pentium 3825U.
| Feature | Xeon X5272 | Celeron 3955U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | HD Graphics 510 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
| Target Use | Server | Budget |
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