
Core 2 Duo T9900 vs Pentium N3540

Core 2 Duo T9900

Pentium N3540
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 T9900 is positioned at rank 635 and the Pentium N3540 is on rank 1149, so the Core 2 Duo T9900 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 T9900
Performance Per Dollar Pentium N3540
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T9900 | Pentium N3540 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($161) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T9900 | Pentium N3540 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($161) |
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 T9900 and Pentium N3540

Core 2 Duo T9900
The Core 2 Duo T9900 is manufactured by Intel. It was released in 2 June 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 3.06 GHz, with boost up to 0.07 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,204 points. Launch price was $530.

Pentium N3540
The Pentium N3540 is manufactured by Intel. It was released in 22 May 2014 (11 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 2.16 GHz, with boost up to 2.66 GHz. L3 cache: 2 MB L2 Cache. 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: 1,207 points. Launch price was $251.
Processing Power
The Core 2 Duo T9900 packs 2 cores / 2 threads, while the Pentium N3540 offers 4 cores / 4 threads — the Pentium N3540 has 2 more cores. Boost clocks reach 0.07 GHz on the Core 2 Duo T9900 versus 2.66 GHz on the Pentium N3540 — a 189.7% clock advantage for the Pentium N3540 (base: 3.06 GHz vs 2.16 GHz). The Core 2 Duo T9900 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium N3540 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Core 2 Duo T9900 scores 1,204 against the Pentium N3540's 1,207 — a 0.2% lead for the Pentium N3540. L3 cache: 6 MB L2 Cache on the Core 2 Duo T9900 vs 2 MB L2 Cache on the Pentium N3540.
| Feature | Core 2 Duo T9900 | Pentium N3540 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 0.07 GHz | 2.66 GHz+3700% |
| Base Clock | 3.06 GHz+42% | 2.16 GHz |
| L3 Cache | 6 MB L2 Cache+200% | 2 MB L2 Cache |
| L2 Cache | 6 MB (total)+200% | 2 MB |
| Process | 45 nm | 22 nm-51% |
| Architecture | Penryn (2008−2011) | Bay Trail-M (2013−2014) |
| PassMark | 1,204 | 1,207 |
Memory & Platform
The Core 2 Duo T9900 uses the PGA478 socket (PCIe 1.1), while the Pentium N3540 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo T9900 | Pentium N3540 |
|---|---|---|
| Socket | PGA478 | FCBGA1170 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
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