
Celeron 2955U

Core 2 Extreme X9100
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 2955U is positioned at rank 427 and the Core 2 Extreme X9100 is on rank 277, so the Core 2 Extreme X9100 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 2955U
Performance Per Dollar Core 2 Extreme X9100
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 2955U | Core 2 Extreme X9100 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($851) |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Penryn XE (2008) / 45 nm) |
💎 Value Proposition
| Insight | Celeron 2955U | Core 2 Extreme X9100 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($851) |
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.

Counter-Strike 2

Valorant
Technical Specifications
Side-by-side comparison of Celeron 2955U and Core 2 Extreme X9100

Celeron 2955U
The Celeron 2955U is manufactured by Intel. It was released in 2007-01-01. It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,069 points. Launch price was $69.

Core 2 Extreme X9100
The Core 2 Extreme X9100 is manufactured by Intel. It was released in 1 July 2008 (17 years ago). It is based on the Penryn XE (2008) architecture. It features 2 cores and 2 threads. Base frequency is 3.06 GHz, with boost up to 0.07 GHz. L3 cache: 0 kB. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,063 points. Launch price was $851.
Processing Power
Both the Celeron 2955U and Core 2 Extreme X9100 share an identical 2-core/2-thread configuration. Boost clocks reach 1.4 GHz on the Celeron 2955U versus 0.07 GHz on the Core 2 Extreme X9100 — a 181% clock advantage for the Celeron 2955U (base: 1.4 GHz vs 3.06 GHz). The Celeron 2955U uses the Haswell (2013−2015) architecture (22 nm), while the Core 2 Extreme X9100 uses Penryn XE (2008) (45 nm). In PassMark, the Celeron 2955U scores 2,069 against the Core 2 Extreme X9100's 2,063 — a 0.3% lead for the Celeron 2955U. L3 cache: 2 MB (total) on the Celeron 2955U vs 0 kB on the Core 2 Extreme X9100.
| Feature | Celeron 2955U | Core 2 Extreme X9100 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.4 GHz+1900% | 0.07 GHz |
| Base Clock | 1.4 GHz | 3.06 GHz+119% |
| L3 Cache | 2 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 6 MB+2300% |
| Process | 22 nm-51% | 45 nm |
| Architecture | Haswell (2013−2015) | Penryn XE (2008) |
| PassMark | 2,069 | 2,063 |
Memory & Platform
The Celeron 2955U uses the FCBGA1168 socket (PCIe 3.0), while the Core 2 Extreme X9100 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Celeron 2955U | Core 2 Extreme X9100 |
|---|---|---|
| Socket | FCBGA1168 | PGA478 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR3L-1600 | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 10 | — |
Advanced Features
Virtualization: VT-x (Celeron 2955U) / not specified (Core 2 Extreme X9100). The Celeron 2955U includes integrated graphics (HD Graphics (Haswell)), while the Core 2 Extreme X9100 requires a dedicated GPU. Primary use case: Celeron 2955U targets Budget. Direct competitor: Celeron 2955U rivals Pentium 2117U.
| Feature | Celeron 2955U | Core 2 Extreme X9100 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics (Haswell) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
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