Core 2 Duo T5270 vs Pentium D 820
Core 2 Duo T5270
Pentium D 820
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 T5270 is positioned at rank 47 and the Pentium D 820 is on rank 1065, so the Core 2 Duo T5270 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 T5270
Performance Per Dollar Pentium D 820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T5270 | Pentium D 820 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Merom-2048 (2006−2008) / 65 nm) | 🛑 Legacy (NetBurst (2000−2006) / 90 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T5270 | Pentium D 820 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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 T5270 and Pentium D 820
Core 2 Duo T5270
The Core 2 Duo T5270 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom-2048 (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 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: 1,427 points. Launch price was $249.
Pentium D 820
The Pentium D 820 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,412 points. Launch price was $69.
Processing Power
Both the Core 2 Duo T5270 and Pentium D 820 share an identical 2-core/2-thread configuration. Boost clocks reach 1.4 GHz on the Core 2 Duo T5270 versus 2.8 GHz on the Pentium D 820 — a 66.7% clock advantage for the Pentium D 820 (base: 1.4 GHz vs 2.8 GHz). The Core 2 Duo T5270 uses the Merom-2048 (2006−2008) architecture (65 nm), while the Pentium D 820 uses NetBurst (2000−2006) (90 nm). In PassMark, the Core 2 Duo T5270 scores 1,427 against the Pentium D 820's 1,412 — a 1.1% lead for the Core 2 Duo T5270. L3 cache: 2 MB L2 Cache on the Core 2 Duo T5270 vs 0 kB on the Pentium D 820.
| Feature | Core 2 Duo T5270 | Pentium D 820 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.4 GHz | 2.8 GHz+100% |
| Base Clock | 1.4 GHz | 2.8 GHz+100% |
| L3 Cache | 2 MB L2 Cache | 0 kB |
| L2 Cache | 2 MB | 2 MB |
| Process | 65 nm-28% | 90 nm |
| Architecture | Merom-2048 (2006−2008) | NetBurst (2000−2006) |
| PassMark | 1,427+1% | 1,412 |
| Geekbench 6 Single | — | 166 |
Memory & Platform
The Core 2 Duo T5270 uses the PGA478 socket (PCIe 1.1), while the Pentium D 820 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo T5270 | Pentium D 820 |
|---|---|---|
| Socket | PGA478 | LGA775 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | — | DDR2-667 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Core 2 Duo T5270) / No (Pentium D 820).
| Feature | Core 2 Duo T5270 | Pentium D 820 |
|---|---|---|
| Integrated GPU | — | No |
| AVX-512 | — | No |
| Virtualization | — | No |
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