Core 2 Duo T5800 vs Phenom II X4 905e
Core 2 Duo T5800
Phenom II X4 905e
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 T5800 is positioned at rank 292 and the Phenom II X4 905e is on rank 316, so the Core 2 Duo T5800 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 T5800
Performance Per Dollar Phenom II X4 905e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T5800 | Phenom II X4 905e |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | 🛑 Legacy (Deneb (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T5800 | Phenom II X4 905e |
|---|---|---|
| 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 Core 2 Duo T5800 and Phenom II X4 905e
Core 2 Duo T5800
The Core 2 Duo T5800 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. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,000 points. Launch price was $249.
Phenom II X4 905e
The Phenom II X4 905e is manufactured by AMD. It was released in 2 June 2009 (16 years ago). It is based on the Deneb (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,014 points. Launch price was $212.
Processing Power
The Core 2 Duo T5800 packs 2 cores / 2 threads, while the Phenom II X4 905e offers 4 cores / 4 threads — the Phenom II X4 905e has 2 more cores. Boost clocks reach 2 GHz on the Core 2 Duo T5800 versus 2.5 GHz on the Phenom II X4 905e — a 22.2% clock advantage for the Phenom II X4 905e (base: 2 GHz vs 2.5 GHz). The Core 2 Duo T5800 uses the Merom (2006−2008) architecture (65 nm), while the Phenom II X4 905e uses Deneb (2009−2011) (45 nm). In PassMark, the Core 2 Duo T5800 scores 2,000 against the Phenom II X4 905e's 2,014 — a 0.7% lead for the Phenom II X4 905e. L3 cache: 2 MB L2 Cache on the Core 2 Duo T5800 vs 6 MB (total) on the Phenom II X4 905e.
| Feature | Core 2 Duo T5800 | Phenom II X4 905e |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2 GHz | 2.5 GHz+25% |
| Base Clock | 2 GHz | 2.5 GHz+25% |
| L3 Cache | 2 MB L2 Cache | 6 MB (total)+200% |
| L2 Cache | 2 MB+300% | 512 kB (per core) |
| Process | 65 nm | 45 nm-31% |
| Architecture | Merom (2006−2008) | Deneb (2009−2011) |
| PassMark | 2,000 | 2,014 |
Memory & Platform
The Core 2 Duo T5800 uses the PGA478 socket (PCIe 1.1), while the Phenom II X4 905e uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo T5800 | Phenom II X4 905e |
|---|---|---|
| Socket | PGA478 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
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