
Pentium Dual Core T4400 vs Core 2 Duo E8500

Pentium Dual Core T4400

Core 2 Duo E8500
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 Dual Core T4400 is positioned at rank 1034 and the Core 2 Duo E8500 is on rank 427, so the Core 2 Duo E8500 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium Dual Core T4400
Performance Per Dollar Core 2 Duo E8500
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Dual Core T4400 | Core 2 Duo E8500 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($5) | ⚠️ Higher cost ($26) |
| Longevity | 🛑 Legacy (NetBurst (2000−2006) / 45 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium Dual Core T4400 | Core 2 Duo E8500 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+415%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($5) | ⚠️ Higher cost ($26) |
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 Dual Core T4400 and Core 2 Duo E8500

Pentium Dual Core T4400
The Pentium Dual Core T4400 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,284 points. Launch price was $69.

Core 2 Duo E8500
The Core 2 Duo E8500 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.16 GHz, with boost up to 3.17 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,297 points. Launch price was $249.
Processing Power
Both the Pentium Dual Core T4400 and Core 2 Duo E8500 share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Pentium Dual Core T4400 versus 3.17 GHz on the Core 2 Duo E8500 — a 36.1% clock advantage for the Core 2 Duo E8500 (base: 2.2 GHz vs 3.16 GHz). The Pentium Dual Core T4400 uses the NetBurst (2000−2006) architecture (45 nm), while the Core 2 Duo E8500 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Pentium Dual Core T4400 scores 1,284 against the Core 2 Duo E8500's 1,297 — a 1% lead for the Core 2 Duo E8500. Both processors carry 0 kB of L3 cache.
| Feature | Pentium Dual Core T4400 | Core 2 Duo E8500 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.2 GHz | 3.17 GHz+44% |
| Base Clock | 2.2 GHz | 3.16 GHz+44% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 6 MB (total)+500% |
| Process | 45 nm | 45 nm |
| Architecture | NetBurst (2000−2006) | Wolfdale (2008−2010) |
| PassMark | 1,284 | 1,297+1% |
Memory & Platform
The Pentium Dual Core T4400 uses the P socket (PCIe 1.1), while the Core 2 Duo E8500 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Pentium Dual Core T4400 | Core 2 Duo E8500 |
|---|---|---|
| Socket | P | LGA775 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | — | 1333 |
| Max RAM Capacity | — | 16 |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Pentium Dual Core T4400) / true (Core 2 Duo E8500). Direct competitor: Core 2 Duo E8500 rivals Phenom II X2 550.
| Feature | Pentium Dual Core T4400 | Core 2 Duo E8500 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
Value Analysis
The Pentium Dual Core T4400 launched at $107 MSRP, while the Core 2 Duo E8500 debuted at $26. At current prices ($5 vs $26), the Pentium Dual Core T4400 is $21 cheaper. In terms of value (PassMark points per dollar), the Pentium Dual Core T4400 delivers 256.8 pts/$ vs 49.9 pts/$ for the Core 2 Duo E8500 — making the Pentium Dual Core T4400 the 134.9% better value option.
| Feature | Pentium Dual Core T4400 | Core 2 Duo E8500 |
|---|---|---|
| MSRP | $107 | $26-76% |
| Avg Price (30d) | $5-81% | $26 |
| Performance per Dollar | 256.8+415% | 49.9 |
| Release Date | 2009 | 2008 |
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