
Xeon E5450 vs Core i5-4258U

Xeon E5450

Core i5-4258U
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 E5450 is positioned at rank 778 and the Core i5-4258U is on rank 161, so the Core i5-4258U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5450
Performance Per Dollar Core i5-4258U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5450 | Core i5-4258U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Xeon E5450 | Core i5-4258U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 E5450 and Core i5-4258U

Xeon E5450
The Xeon E5450 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,581 points. Launch price was $915.

Core i5-4258U
The Core i5-4258U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 2,610 points. Launch price was $342.
Processing Power
The Xeon E5450 packs 4 cores / 4 threads, while the Core i5-4258U offers 2 cores / 4 threads — the Xeon E5450 has 2 more cores. Boost clocks reach 3 GHz on the Xeon E5450 versus 2.9 GHz on the Core i5-4258U — a 3.4% clock advantage for the Xeon E5450 (base: 3 GHz vs 2.4 GHz). The Xeon E5450 uses the Harpertown (2007−2008) architecture (45 nm), while the Core i5-4258U uses Haswell (2013−2015) (22 nm). In PassMark, the Xeon E5450 scores 2,581 against the Core i5-4258U's 2,610 — a 1.1% lead for the Core i5-4258U. L3 cache: 12 MB L2 Cache on the Xeon E5450 vs 3 MB (total) on the Core i5-4258U.
| Feature | Xeon E5450 | Core i5-4258U |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 4 |
| Boost Clock | 3 GHz+3% | 2.9 GHz |
| Base Clock | 3 GHz+25% | 2.4 GHz |
| L3 Cache | 12 MB L2 Cache+300% | 3 MB (total) |
| L2 Cache | 6 MB (total)+2300% | 256K (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | Harpertown (2007−2008) | Haswell (2013−2015) |
| PassMark | 2,581 | 2,610+1% |
Memory & Platform
The Xeon E5450 uses the LGA771 socket (PCIe 2.0), while the Core i5-4258U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5450 | Core i5-4258U |
|---|---|---|
| Socket | LGA771 | FCBGA1168 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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