
Core 2 Extreme X9100 vs Celeron 2957U

Core 2 Extreme X9100

Celeron 2957U
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 Core 2 Extreme X9100 is positioned at rank 277 and the Celeron 2957U is on rank 53, so the Celeron 2957U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core 2 Extreme X9100
Performance Per Dollar Celeron 2957U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Extreme X9100 | Celeron 2957U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($851) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Penryn XE (2008) / 45 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core 2 Extreme X9100 | Celeron 2957U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($851) | ✅ 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 Core 2 Extreme X9100 and Celeron 2957U

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.

Celeron 2957U
The Celeron 2957U is manufactured by Intel. It was released in 1 January 2014 (11 years ago). 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. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,077 points. Launch price was $107.
Processing Power
Both the Core 2 Extreme X9100 and Celeron 2957U share an identical 2-core/2-thread configuration. Boost clocks reach 0.07 GHz on the Core 2 Extreme X9100 versus 1.4 GHz on the Celeron 2957U — a 181% clock advantage for the Celeron 2957U (base: 3.06 GHz vs 1.4 GHz). The Core 2 Extreme X9100 uses the Penryn XE (2008) architecture (45 nm), while the Celeron 2957U uses Haswell (2013−2015) (22 nm). In PassMark, the Core 2 Extreme X9100 scores 2,063 against the Celeron 2957U's 2,077 — a 0.7% lead for the Celeron 2957U. L3 cache: 0 kB on the Core 2 Extreme X9100 vs 2 MB on the Celeron 2957U.
| Feature | Core 2 Extreme X9100 | Celeron 2957U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 0.07 GHz | 1.4 GHz+1900% |
| Base Clock | 3.06 GHz+119% | 1.4 GHz |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 6 MB+1100% | 512 kB |
| Process | 45 nm | 22 nm-51% |
| Architecture | Penryn XE (2008) | Haswell (2013−2015) |
| PassMark | 2,063 | 2,077 |
| Geekbench 6 Single | — | 284 |
Memory & Platform
The Core 2 Extreme X9100 uses the PGA478 socket (PCIe 1.1), while the Celeron 2957U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Extreme X9100 | Celeron 2957U |
|---|---|---|
| Socket | PGA478 | FCBGA1168 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | — | DDR3L-1600 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 10 |
Advanced Features
Virtualization: not specified (Core 2 Extreme X9100) / VT-x (Celeron 2957U). The Celeron 2957U includes integrated graphics (HD Graphics (Haswell)), while the Core 2 Extreme X9100 requires a dedicated GPU. Primary use case: Celeron 2957U targets Budget. Direct competitor: Celeron 2957U rivals Pentium 2117U.
| Feature | Core 2 Extreme X9100 | Celeron 2957U |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics (Haswell) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
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