
Core i7-3555LE vs Core 2 Quad Q9450

Core i7-3555LE

Core 2 Quad Q9450
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 i7-3555LE is positioned at rank 1150 and the Core 2 Quad Q9450 is on rank 1049, so the Core 2 Quad Q9450 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-3555LE
Performance Per Dollar Core 2 Quad Q9450
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-3555LE | Core 2 Quad Q9450 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($280) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Yorkfield (2007−2009) / 45 nm) |
💎 Value Proposition
| Insight | Core i7-3555LE | Core 2 Quad Q9450 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1742%) |
| Upfront Cost | ⚠️ Higher cost ($280) | ✅ More affordable ($15) |
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 i7-3555LE and Core 2 Quad Q9450

Core i7-3555LE
The Core i7-3555LE is manufactured by Intel. It was released in 3 June 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 25 Watt. Memory support: unknown Dual-channel. Passmark benchmark score: 2,238 points. Launch price was $69.

Core 2 Quad Q9450
The Core 2 Quad Q9450 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yorkfield (2007−2009) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 12 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,208 points. Launch price was $249.
Processing Power
The Core i7-3555LE packs 2 cores / 4 threads, while the Core 2 Quad Q9450 offers 4 cores / 4 threads — the Core 2 Quad Q9450 has 2 more cores. Boost clocks reach 3.2 GHz on the Core i7-3555LE versus 2.67 GHz on the Core 2 Quad Q9450 — a 18.1% clock advantage for the Core i7-3555LE (base: 2.5 GHz vs 2.66 GHz). The Core i7-3555LE uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Core 2 Quad Q9450 uses Yorkfield (2007−2009) (45 nm). In PassMark, the Core i7-3555LE scores 2,238 against the Core 2 Quad Q9450's 2,208 — a 1.3% lead for the Core i7-3555LE. L3 cache: 4 MB (total) on the Core i7-3555LE vs 0 kB on the Core 2 Quad Q9450.
| Feature | Core i7-3555LE | Core 2 Quad Q9450 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.2 GHz+20% | 2.67 GHz |
| Base Clock | 2.5 GHz | 2.66 GHz+6% |
| L3 Cache | 4 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 12 MB (total)+4700% |
| Process | 22 nm-51% | 45 nm |
| Architecture | Ivy Bridge (2012−2013) | Yorkfield (2007−2009) |
| PassMark | 2,238+1% | 2,208 |
Memory & Platform
The Core i7-3555LE uses the BGA1023 socket (PCIe 3.0), while the Core 2 Quad Q9450 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Core i7-3555LE | Core 2 Quad Q9450 |
|---|---|---|
| Socket | BGA1023 | LGA775 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
Value Analysis
The Core i7-3555LE launched at $300 MSRP, while the Core 2 Quad Q9450 debuted at $316. At current prices ($280 vs $15), the Core 2 Quad Q9450 is $265 cheaper. In terms of value (PassMark points per dollar), the Core i7-3555LE delivers 8.0 pts/$ vs 147.2 pts/$ for the Core 2 Quad Q9450 — making the Core 2 Quad Q9450 the 179.4% better value option.
| Feature | Core i7-3555LE | Core 2 Quad Q9450 |
|---|---|---|
| MSRP | $300-5% | $316 |
| Avg Price (30d) | $280 | $15-95% |
| Performance per Dollar | 8.0 | 147.2+1740% |
| Release Date | 2012 | 2008 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















