Pentium E6600 vs Core 2 Duo T9900
Pentium E6600
Core 2 Duo T9900
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 E6600 is positioned at rank 912 and the Core 2 Duo T9900 is on rank 635, 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 Pentium E6600
Performance Per Dollar Core 2 Duo T9900
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium E6600 | Core 2 Duo T9900 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Pentium E6600 | Core 2 Duo T9900 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ 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 E6600 and Core 2 Duo T9900
Pentium E6600
The Pentium E6600 is manufactured by Intel. It was released in 17 January 2010 (15 years ago). It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.06 GHz, with boost up to 0.07 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,194 points. Launch price was $16.
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.
Processing Power
Both the Pentium E6600 and Core 2 Duo T9900 share an identical 2-core/2-thread configuration. Boost clocks reach 0.07 GHz on the Pentium E6600 versus 0.07 GHz on the Core 2 Duo T9900 — identical boost frequencies (base: 3.06 GHz vs 3.06 GHz). The Pentium E6600 uses the Wolfdale (2008−2010) architecture (45 nm), while the Core 2 Duo T9900 uses Penryn (2008−2011) (45 nm). In PassMark, the Pentium E6600 scores 1,194 against the Core 2 Duo T9900's 1,204 — a 0.8% lead for the Core 2 Duo T9900. L3 cache: 0 kB on the Pentium E6600 vs 6 MB L2 Cache on the Core 2 Duo T9900.
| Feature | Pentium E6600 | Core 2 Duo T9900 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 0.07 GHz | 0.07 GHz |
| Base Clock | 3.06 GHz | 3.06 GHz |
| L3 Cache | 0 kB | 6 MB L2 Cache |
| L2 Cache | 2 MB (total) | 6 MB (total)+200% |
| Process | 45 nm | 45 nm |
| Architecture | Wolfdale (2008−2010) | Penryn (2008−2011) |
| PassMark | 1,194 | 1,204 |
Memory & Platform
The Pentium E6600 uses the LGA775 socket (PCIe 1.1), while the Core 2 Duo T9900 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Pentium E6600 | Core 2 Duo T9900 |
|---|---|---|
| Socket | LGA775 | PGA478 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Pentium E6600 and Core 2 Duo T9900
