Core 2 Duo T5800 vs Core i5-580M
Core 2 Duo T5800
Core i5-580M
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 Core i5-580M is on rank 1215, 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 Core i5-580M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T5800 | Core i5-580M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T5800 | Core i5-580M |
|---|---|---|
| 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 Core i5-580M
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.
Core i5-580M
The Core i5-580M is manufactured by Intel. It was released in 26 September 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 3.33 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,983 points. Launch price was $266.
Processing Power
The Core 2 Duo T5800 packs 2 cores / 2 threads, matching the Core i5-580M's 2 cores. Boost clocks reach 2 GHz on the Core 2 Duo T5800 versus 3.33 GHz on the Core i5-580M — a 49.9% clock advantage for the Core i5-580M (base: 2 GHz vs 2.66 GHz). The Core 2 Duo T5800 uses the Merom (2006−2008) architecture (65 nm), while the Core i5-580M uses Arrandale (2010−2011) (32 nm). In PassMark, the Core 2 Duo T5800 scores 2,000 against the Core i5-580M's 1,983 — a 0.9% lead for the Core 2 Duo T5800. L3 cache: 2 MB L2 Cache on the Core 2 Duo T5800 vs 3 MB (total) on the Core i5-580M.
| Feature | Core 2 Duo T5800 | Core i5-580M |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 2 GHz | 3.33 GHz+67% |
| Base Clock | 2 GHz | 2.66 GHz+33% |
| L3 Cache | 2 MB L2 Cache | 3 MB (total)+50% |
| L2 Cache | 2 MB+700% | 256K (per core) |
| Process | 65 nm | 32 nm-51% |
| Architecture | Merom (2006−2008) | Arrandale (2010−2011) |
| PassMark | 2,000 | 1,983 |
| Geekbench 6 Single | — | 445 |
Memory & Platform
The Core 2 Duo T5800 uses the PGA478 socket (PCIe 1.1), while the Core i5-580M uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo T5800 | Core i5-580M |
|---|---|---|
| Socket | PGA478 | PGA988 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | — | DDR3-1066 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Core 2 Duo T5800) / VT-x, VT-d, EPT (Core i5-580M). The Core i5-580M includes integrated graphics (HD Graphics), while the Core 2 Duo T5800 requires a dedicated GPU. Primary use case: Core i5-580M targets Legacy Laptop. Direct competitor: Core i5-580M rivals Phenom II X2 N660.
| Feature | Core 2 Duo T5800 | Core i5-580M |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Legacy Laptop |
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