
Core Solo T1400 vs Xeon 2.66

Core Solo T1400

Xeon 2.66
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 Solo T1400 is positioned at rank 1236 and the Xeon 2.66 is on rank 1028, so the Xeon 2.66 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core Solo T1400
Performance Per Dollar Xeon 2.66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Solo T1400 | Xeon 2.66 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($5) | ⚠️ Higher cost ($10) |
| Longevity | 🛑 Legacy (Yonah (2005−2006) / 65 nm) | 🛑 Legacy (Prestonia (2002) / 130 nm) |
💎 Value Proposition
| Insight | Core Solo T1400 | Xeon 2.66 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+92%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($5) | ⚠️ Higher cost ($10) |
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 Solo T1400 and Xeon 2.66

Core Solo T1400
The Core Solo T1400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yonah (2005−2006) architecture. It features 1 cores and 1 threads. Base frequency is 1.83 GHz, with boost up to 1.83 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 27 Watt. Memory support: DDR1. Passmark benchmark score: 428 points. Launch price was $249.

Xeon 2.66
The Xeon 2.66 is manufactured by Intel. It was released in 2015-01-01. It is based on the Prestonia (2002) architecture. It features 1 cores and 1 threads. Max frequency: 2.66 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA604. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 445 points. Launch price was $800.
Processing Power
Both the Core Solo T1400 and Xeon 2.66 share an identical 1-core/1-thread configuration. Boost clocks reach 1.83 GHz on the Core Solo T1400 versus 2.66 GHz on the Xeon 2.66 — a 37% clock advantage for the Xeon 2.66. The Core Solo T1400 uses the Yonah (2005−2006) architecture (65 nm), while the Xeon 2.66 uses Prestonia (2002) (130 nm). In PassMark, the Core Solo T1400 scores 428 against the Xeon 2.66's 445 — a 3.9% lead for the Xeon 2.66. Both processors carry 0 kB of L3 cache.
| Feature | Core Solo T1400 | Xeon 2.66 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.83 GHz | 2.66 GHz+45% |
| Base Clock | 1.83 GHz | — |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 2 MB+300% | 512 kB |
| Process | 65 nm-50% | 130 nm |
| Architecture | Yonah (2005−2006) | Prestonia (2002) |
| PassMark | 428 | 445+4% |
Memory & Platform
The Core Solo T1400 uses the PGA478 socket (PCIe 1.1), while the Xeon 2.66 uses PGA604 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core Solo T1400 | Xeon 2.66 |
|---|---|---|
| Socket | PGA478 | PGA604 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
Value Analysis
The Core Solo T1400 launched at $200 MSRP, while the Xeon 2.66 debuted at $337. At current prices ($5 vs $10), the Core Solo T1400 is $5 cheaper. In terms of value (PassMark points per dollar), the Core Solo T1400 delivers 85.6 pts/$ vs 44.5 pts/$ for the Xeon 2.66 — making the Core Solo T1400 the 63.2% better value option.
| Feature | Core Solo T1400 | Xeon 2.66 |
|---|---|---|
| MSRP | $200-41% | $337 |
| Avg Price (30d) | $5-50% | $10 |
| Performance per Dollar | 85.6+92% | 44.5 |
| Release Date | 2006 | 2002 |
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