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