Core 2 Duo T9800 vs Athlon II Neo K345
Core 2 Duo T9800
Athlon II Neo K345
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 T9800 is positioned at rank 345 and the Athlon II Neo K345 is on rank 812, so the Core 2 Duo T9800 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 T9800
Performance Per Dollar Athlon II Neo K345
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T9800 | Athlon II Neo K345 |
|---|---|---|
| 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 (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Champlain (2010−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T9800 | Athlon II Neo K345 |
|---|---|---|
| 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 Duo T9800 and Athlon II Neo K345
Core 2 Duo T9800
The Core 2 Duo T9800 is manufactured by Intel. It was released in 1 January 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.93 GHz, with boost up to 2.92 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,189 points. Launch price was $530.
Athlon II Neo K345
The Athlon II Neo K345 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 1.4 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 1,191 points. Launch price was $149.
Processing Power
Both the Core 2 Duo T9800 and Athlon II Neo K345 share an identical 2-core/2-thread configuration. Boost clocks reach 2.92 GHz on the Core 2 Duo T9800 versus 1.4 GHz on the Athlon II Neo K345 — a 70.4% clock advantage for the Core 2 Duo T9800. The Core 2 Duo T9800 uses the Penryn (2008−2011) architecture (45 nm), while the Athlon II Neo K345 uses Champlain (2010−2011) (45 nm). In PassMark, the Core 2 Duo T9800 scores 1,189 against the Athlon II Neo K345's 1,191 — a 0.2% lead for the Athlon II Neo K345.
| Feature | Core 2 Duo T9800 | Athlon II Neo K345 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.92 GHz+109% | 1.4 GHz |
| Base Clock | 2.93 GHz | — |
| L3 Cache | 6 MB L2 Cache | — |
| L2 Cache | 6 MB+500% | 1 MB |
| Process | 45 nm | 45 nm |
| Architecture | Penryn (2008−2011) | Champlain (2010−2011) |
| PassMark | 1,189 | 1,191 |
Memory & Platform
The Core 2 Duo T9800 uses the PGA478 socket (PCIe 1.1), while the Athlon II Neo K345 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo T9800 | Athlon II Neo K345 |
|---|---|---|
| Socket | PGA478 | S1 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | — | DDR3-1066 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
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