
Core 2 Extreme X7800 vs Pentium N3520

Core 2 Extreme X7800

Pentium N3520
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 Extreme X7800 is positioned at rank 1145 and the Pentium N3520 is on rank 1046, so the Pentium N3520 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 Extreme X7800
Performance Per Dollar Pentium N3520
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Extreme X7800 | Pentium N3520 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
| Longevity | 🛑 Legacy (Merom XE (2007) / 65 nm) | 🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Core 2 Extreme X7800 | Pentium N3520 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
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 Extreme X7800 and Pentium N3520

Core 2 Extreme X7800
The Core 2 Extreme X7800 is manufactured by Intel. It was released in 17 July 2007 (18 years ago). It is based on the Merom XE (2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB L2 Cache. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,138 points. Launch price was $851.

Pentium N3520
The Pentium N3520 is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 2.17 GHz, with boost up to 2.42 GHz. L3 cache: 2 MB. L2 cache: 2 MB. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3L-1333. Passmark benchmark score: 1,144 points. Launch price was $161.
Processing Power
The Core 2 Extreme X7800 packs 2 cores / 2 threads, while the Pentium N3520 offers 4 cores / 4 threads — the Pentium N3520 has 2 more cores. Boost clocks reach 2.6 GHz on the Core 2 Extreme X7800 versus 2.42 GHz on the Pentium N3520 — a 7.2% clock advantage for the Core 2 Extreme X7800 (base: 2.6 GHz vs 2.17 GHz). The Core 2 Extreme X7800 uses the Merom XE (2007) architecture (65 nm), while the Pentium N3520 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Core 2 Extreme X7800 scores 1,138 against the Pentium N3520's 1,144 — a 0.5% lead for the Pentium N3520. L3 cache: 4 MB L2 Cache on the Core 2 Extreme X7800 vs 2 MB on the Pentium N3520.
| Feature | Core 2 Extreme X7800 | Pentium N3520 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.6 GHz+7% | 2.42 GHz |
| Base Clock | 2.6 GHz+20% | 2.17 GHz |
| L3 Cache | 4 MB L2 Cache+100% | 2 MB |
| L2 Cache | 4 MB+100% | 2 MB |
| Process | 65 nm | 22 nm-66% |
| Architecture | Merom XE (2007) | Bay Trail-M (2013−2014) |
| PassMark | 1,138 | 1,144 |
Memory & Platform
The Core 2 Extreme X7800 uses the PGA478 socket (PCIe 1.1), while the Pentium N3520 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Extreme X7800 | Pentium N3520 |
|---|---|---|
| Socket | PGA478 | FCBGA1170 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-667 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x (Core 2 Extreme X7800) / not specified (Pentium N3520).
| Feature | Core 2 Extreme X7800 | Pentium N3520 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
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