Core 2 Duo T5870 vs Celeron 6305
Core 2 Duo T5870
Celeron 6305
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 T5870 is positioned at rank 538 and the Celeron 6305 is on rank 897, so the Core 2 Duo T5870 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 T5870
Performance Per Dollar Celeron 6305
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T5870 | Celeron 6305 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($80) |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | ✨ Modern (Tiger Lake-U (2020−2021) / 10 nm SuperFin) |
💎 Value Proposition
| Insight | Core 2 Duo T5870 | Celeron 6305 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($80) |
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 T5870 and Celeron 6305
Core 2 Duo T5870
The Core 2 Duo T5870 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. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,089 points. Launch price was $249.
Celeron 6305
The Celeron 6305 is manufactured by Intel. It was released in 2007-01-01. It is based on the Tiger Lake-U (2020−2021) architecture. It features 2 cores and 2 threads. Max frequency: 1.8 GHz. L3 cache: 4 MB. L2 cache: 2.5 MB. Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 2.5 MB + 4 MB. Memory support: DDR4. Passmark benchmark score: 2,077 points. Launch price was $69.
Processing Power
Both the Core 2 Duo T5870 and Celeron 6305 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Core 2 Duo T5870 versus 1.8 GHz on the Celeron 6305 — a 10.5% clock advantage for the Core 2 Duo T5870. The Core 2 Duo T5870 uses the Merom (2006−2008) architecture (65 nm), while the Celeron 6305 uses Tiger Lake-U (2020−2021) (10 nm SuperFin). In PassMark, the Core 2 Duo T5870 scores 2,089 against the Celeron 6305's 2,077 — a 0.6% lead for the Core 2 Duo T5870. Geekbench 6 single-core — the metric most relevant to gaming — records 203 vs 744, a 114.3% lead for the Celeron 6305 that directly translates to higher frame rates. Multi-core Geekbench: 314 vs 1,236 (119% advantage for the Celeron 6305). L3 cache: 2 MB L2 Cache on the Core 2 Duo T5870 vs 4 MB on the Celeron 6305.
| Feature | Core 2 Duo T5870 | Celeron 6305 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2 GHz+11% | 1.8 GHz |
| Base Clock | 2 GHz | — |
| L3 Cache | 2 MB L2 Cache | 4 MB+100% |
| L2 Cache | 2 MB | 2.5 MB+25% |
| Process | 65 nm | 10 nm SuperFin-85% |
| Architecture | Merom (2006−2008) | Tiger Lake-U (2020−2021) |
| PassMark | 2,089 | 2,077 |
| Geekbench 6 Single | 203 | 744+267% |
| Geekbench 6 Multi | 314 | 1,236+294% |
Memory & Platform
Maximum memory speed reaches DDR2-800 on the Core 2 Duo T5870 versus DDR4-3200 on the Celeron 6305 — the Celeron 6305 supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 6305 supports up to 64 GB of RAM compared to 4 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo T5870) vs 4 (Celeron 6305) — the Celeron 6305 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GM965,GM45,PM45 (Core 2 Duo T5870) and Tiger Lake-U (Celeron 6305).
| Feature | Core 2 Duo T5870 | Celeron 6305 |
|---|---|---|
| Socket | — | FCBGA1449 |
| PCIe Generation | PCIe 1.1 | PCIe 4.0+264% |
| Max RAM Speed | DDR2-800 | DDR4-3200+100% |
| Max RAM Capacity | 4 GB | 64 GB+1500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 4 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Core 2 Duo T5870) vs VT-x, VT-d (Celeron 6305). The Celeron 6305 includes integrated graphics (UHD Graphics for 11th Gen), while the Core 2 Duo T5870 requires a dedicated GPU. Primary use case: Core 2 Duo T5870 targets Legacy Mobile, Celeron 6305 targets Budget. Direct competitor: Celeron 6305 rivals Pentium Gold 7505.
| Feature | Core 2 Duo T5870 | Celeron 6305 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | UHD Graphics for 11th Gen |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Legacy Mobile | Budget |
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