CPU
GPU
Pentium D 820
Core 2 Duo T5270
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 Pentium D 820 is positioned at rank 1065 and the Core 2 Duo T5270 is on rank 47, 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 Pentium D 820
Performance Per Dollar Core 2 Duo T5270
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium D 820 | Core 2 Duo T5270 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($20) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (NetBurst (2000−2006) / 90 nm) | 🛑 Legacy (Merom-2048 (2006−2008) / 65 nm) |
💎 Value Proposition
| Insight | Pentium D 820 | Core 2 Duo T5270 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($20) | ✅ 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 Pentium D 820 and Core 2 Duo T5270
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.
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.
Processing Power
Both the Pentium D 820 and Core 2 Duo T5270 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Pentium D 820 versus 1.4 GHz on the Core 2 Duo T5270 — a 66.7% clock advantage for the Pentium D 820 (base: 2.8 GHz vs 1.4 GHz). The Pentium D 820 uses the NetBurst (2000−2006) architecture (90 nm), while the Core 2 Duo T5270 uses Merom-2048 (2006−2008) (65 nm). In PassMark, the Pentium D 820 scores 1,412 against the Core 2 Duo T5270's 1,427 — a 1.1% lead for the Core 2 Duo T5270. L3 cache: 0 kB on the Pentium D 820 vs 2 MB L2 Cache on the Core 2 Duo T5270.
| Feature | Pentium D 820 | Core 2 Duo T5270 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz+100% | 1.4 GHz |
| Base Clock | 2.8 GHz+100% | 1.4 GHz |
| L3 Cache | 0 kB | 2 MB L2 Cache |
| L2 Cache | 2 MB | 2 MB |
| Process | 90 nm | 65 nm-28% |
| Architecture | NetBurst (2000−2006) | Merom-2048 (2006−2008) |
| PassMark | 1,412 | 1,427+1% |
| Geekbench 6 Single | 166 | — |
Memory & Platform
The Pentium D 820 uses the LGA775 socket (PCIe 1.1), while the Core 2 Duo T5270 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Pentium D 820 | Core 2 Duo T5270 |
|---|---|---|
| Socket | LGA775 | PGA478 |
| 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: No (Pentium D 820) / not specified (Core 2 Duo T5270).
| Feature | Pentium D 820 | Core 2 Duo T5270 |
|---|---|---|
| Integrated GPU | No | — |
| AVX-512 | No | — |
| Virtualization | No | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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