Core 2 Duo T9900 vs Phenom X3 8450e
Core 2 Duo T9900
Phenom X3 8450e
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 Phenom X3 8450e is on rank 498, so the Phenom X3 8450e 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 Phenom X3 8450e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T9900 | Phenom X3 8450e |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Toliman (2008) / 65 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T9900 | Phenom X3 8450e |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Phenom X3 8450e
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.
Phenom X3 8450e
The Phenom X3 8450e is manufactured by AMD. It was released in 2009-01-01. It is based on the Toliman (2008) architecture. It features 3 cores and 3 threads. Max frequency: 2.1 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,206 points. Launch price was $149.
Processing Power
The Core 2 Duo T9900 packs 2 cores / 2 threads, while the Phenom X3 8450e offers 3 cores / 3 threads — the Phenom X3 8450e has 1 more core. Boost clocks reach 0.07 GHz on the Core 2 Duo T9900 versus 2.1 GHz on the Phenom X3 8450e — a 187.1% clock advantage for the Phenom X3 8450e. The Core 2 Duo T9900 uses the Penryn (2008−2011) architecture (45 nm), while the Phenom X3 8450e uses Toliman (2008) (65 nm). In PassMark, the Core 2 Duo T9900 scores 1,204 against the Phenom X3 8450e's 1,206 — a 0.2% lead for the Phenom X3 8450e. L3 cache: 6 MB L2 Cache on the Core 2 Duo T9900 vs 2 MB (total) on the Phenom X3 8450e.
| Feature | Core 2 Duo T9900 | Phenom X3 8450e |
|---|---|---|
| Cores / Threads | 2 / 2 | 3 / 3+50% |
| Boost Clock | 0.07 GHz | 2.1 GHz+2900% |
| Base Clock | 3.06 GHz | — |
| L3 Cache | 6 MB L2 Cache+200% | 2 MB (total) |
| L2 Cache | 6 MB (total)+1100% | 512 kB (per core) |
| Process | 45 nm-31% | 65 nm |
| Architecture | Penryn (2008−2011) | Toliman (2008) |
| PassMark | 1,204 | 1,206 |
Memory & Platform
The Core 2 Duo T9900 uses the PGA478 socket (PCIe 1.1), while the Phenom X3 8450e uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo T9900 | Phenom X3 8450e |
|---|---|---|
| Socket | PGA478 | AM2+ |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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