
Core 2 Duo T5800 vs Celeron N3450

Core 2 Duo T5800

Celeron N3450
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 Celeron N3450 is on rank 122, so the Celeron N3450 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 Celeron N3450
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T5800 | Celeron N3450 |
|---|---|---|
| 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 (Apollo Lake (2014−2016) / 14 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T5800 | Celeron N3450 |
|---|---|---|
| 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 Celeron N3450

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.

Celeron N3450
The Celeron N3450 is manufactured by Intel. It was released in 30 August 2016 (9 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 6 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,981 points. Launch price was $107.
Processing Power
The Core 2 Duo T5800 packs 2 cores / 2 threads, while the Celeron N3450 offers 4 cores / 4 threads — the Celeron N3450 has 2 more cores. Boost clocks reach 2 GHz on the Core 2 Duo T5800 versus 2.2 GHz on the Celeron N3450 — a 9.5% clock advantage for the Celeron N3450 (base: 2 GHz vs 1.1 GHz). The Core 2 Duo T5800 uses the Merom (2006−2008) architecture (65 nm), while the Celeron N3450 uses Apollo Lake (2014−2016) (14 nm). In PassMark, the Core 2 Duo T5800 scores 2,000 against the Celeron N3450's 1,981 — a 1% lead for the Core 2 Duo T5800. L3 cache: 2 MB L2 Cache on the Core 2 Duo T5800 vs 0 kB on the Celeron N3450.
| Feature | Core 2 Duo T5800 | Celeron N3450 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2 GHz | 2.2 GHz+10% |
| Base Clock | 2 GHz+82% | 1.1 GHz |
| L3 Cache | 2 MB L2 Cache | 0 kB |
| L2 Cache | 2 MB | 2 MB |
| Process | 65 nm | 14 nm-78% |
| Architecture | Merom (2006−2008) | Apollo Lake (2014−2016) |
| PassMark | 2,000 | 1,981 |
Memory & Platform
The Core 2 Duo T5800 uses the PGA478 socket (PCIe 1.1), while the Celeron N3450 uses FCBGA1296 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo T5800 | Celeron N3450 |
|---|---|---|
| Socket | PGA478 | FCBGA1296 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | — | 2400 |
| Max RAM Capacity | — | 8 |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 6 |
Advanced Features
Virtualization: not specified (Core 2 Duo T5800) / true (Celeron N3450). The Celeron N3450 includes integrated graphics (Intel HD Graphics 500), while the Core 2 Duo T5800 requires a dedicated GPU. Direct competitor: Celeron N3450 rivals AMD A4-9120.
| Feature | Core 2 Duo T5800 | Celeron N3450 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics 500 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
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