Celeron 3955U vs Phenom X4 9450e
Celeron 3955U
Phenom X4 9450e
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 3955U is positioned at rank 616 and the Phenom X4 9450e is on rank 1093, 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 Celeron 3955U
Performance Per Dollar Phenom X4 9450e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3955U | Phenom X4 9450e |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($430) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Agena (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Celeron 3955U | Phenom X4 9450e |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($430) |
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 3955U and Phenom X4 9450e
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.
Phenom X4 9450e
The Phenom X4 9450e is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.1 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,455 points. Launch price was $149.
Processing Power
The Celeron 3955U packs 2 cores / 2 threads, while the Phenom X4 9450e offers 4 cores / 4 threads — the Phenom X4 9450e has 2 more cores. Boost clocks reach 2 GHz on the Celeron 3955U versus 2.1 GHz on the Phenom X4 9450e — a 4.9% clock advantage for the Phenom X4 9450e. The Celeron 3955U uses the Skylake (2015−2016) architecture (14 nm), while the Phenom X4 9450e uses Agena (2007−2008) (65 nm). In PassMark, the Celeron 3955U scores 1,443 against the Phenom X4 9450e's 1,455 — a 0.8% lead for the Phenom X4 9450e. L3 cache: 2 MB on the Celeron 3955U vs 2 MB (total) on the Phenom X4 9450e.
| Feature | Celeron 3955U | Phenom X4 9450e |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2 GHz | 2.1 GHz+5% |
| Base Clock | 2 GHz | — |
| L3 Cache | 2 MB | 2 MB (total) |
| L2 Cache | 512 kB | 512 kB (per core) |
| Process | 14 nm-78% | 65 nm |
| Architecture | Skylake (2015−2016) | Agena (2007−2008) |
| PassMark | 1,443 | 1,455 |
| Geekbench 6 Single | 431 | — |
| Geekbench 6 Multi | 741 | — |
Memory & Platform
The Celeron 3955U uses the BGA1356 socket (PCIe 3.0), while the Phenom X4 9450e uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Celeron 3955U | Phenom X4 9450e |
|---|---|---|
| Socket | BGA1356 | AM2+ |
| 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 | 12 | — |
Advanced Features
Virtualization: VT-x, VT-d (Celeron 3955U) / not specified (Phenom X4 9450e). The Celeron 3955U includes integrated graphics (HD Graphics 510), while the Phenom X4 9450e requires a dedicated GPU. Primary use case: Celeron 3955U targets Budget. Direct competitor: Celeron 3955U rivals Pentium 3825U.
| Feature | Celeron 3955U | Phenom X4 9450e |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics 510 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Budget | — |
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