
Core 2 Duo T5900

Phenom II X3 N870
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 Duo T5900 is positioned at rank 19 and the Phenom II X3 N870 is on rank 250, so the Core 2 Duo T5900 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 Duo T5900
Performance Per Dollar Phenom II X3 N870
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T5900 | Phenom II X3 N870 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($5) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | 🛑 Legacy (Champlain (2010−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T5900 | Phenom II X3 N870 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($5) | ✅ 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 Duo T5900 and Phenom II X3 N870

Core 2 Duo T5900
The Core 2 Duo T5900 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L2 cache: 2 MB. Built on 65 nm process technology. Socket: P. Thermal design power (TDP): 2 MB. Passmark benchmark score: 2,123 points. Launch price was $249.

Phenom II X3 N870
The Phenom II X3 N870 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 3 cores and 3 threads. Max frequency: 2.3 GHz. L2 cache: 1.5 MB. Built on 45 nm process technology. Socket: S1g4. Thermal design power (TDP): 1.5 MB. Memory support: DDR3. Passmark benchmark score: 2,145 points. Launch price was $149.
Processing Power
The Core 2 Duo T5900 packs 2 cores / 2 threads, while the Phenom II X3 N870 offers 3 cores / 3 threads — the Phenom II X3 N870 has 1 more core. Boost clocks reach 2.2 GHz on the Core 2 Duo T5900 versus 2.3 GHz on the Phenom II X3 N870 — a 4.4% clock advantage for the Phenom II X3 N870. The Core 2 Duo T5900 uses the Merom (2006−2008) architecture (65 nm), while the Phenom II X3 N870 uses Champlain (2010−2011) (45 nm). In PassMark, the Core 2 Duo T5900 scores 2,123 against the Phenom II X3 N870's 2,145 — a 1% lead for the Phenom II X3 N870.
| Feature | Core 2 Duo T5900 | Phenom II X3 N870 |
|---|---|---|
| Cores / Threads | 2 / 2 | 3 / 3+50% |
| Boost Clock | 2.2 GHz | 2.3 GHz+5% |
| L2 Cache | 2 MB+33% | 1.5 MB |
| Process | 65 nm | 45 nm-31% |
| Architecture | Merom (2006−2008) | Champlain (2010−2011) |
| PassMark | 2,123 | 2,145+1% |
Memory & Platform
The Core 2 Duo T5900 uses the P socket (PCIe 1.1), while the Phenom II X3 N870 uses S1g4 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo T5900 | Phenom II X3 N870 |
|---|---|---|
| Socket | P | S1g4 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
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