
Core 2 Duo L7400 vs Pentium Dual-Core E2140

Core 2 Duo L7400

Pentium Dual-Core E2140
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 L7400 is positioned at rank 434 and the Pentium Dual-Core E2140 is on rank 978, so the Core 2 Duo L7400 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 L7400
Performance Per Dollar Pentium Dual-Core E2140
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo L7400 | Pentium Dual-Core E2140 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
| Longevity | 🛑 Legacy (Legacy / 65 nm) | 🛑 Legacy (NetBurst (2000−2006) / 65 nm) |
💎 Value Proposition
| Insight | Core 2 Duo L7400 | Pentium Dual-Core E2140 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
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 L7400 and Pentium Dual-Core E2140

Core 2 Duo L7400
The Core 2 Duo L7400 is manufactured by Intel. It was released in 2008-01-01. It has 2 cores. Base frequency: 1.5 GHz. L3 cache: 4 MB L2 Cache. Built on 65 nm process technology. Socket: BGA479. Thermal design power (TDP): 17 Watt. Passmark benchmark score: 765 points. Launch price was $249.

Pentium Dual-Core E2140
The Pentium Dual-Core E2140 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. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 815 points. Launch price was $69.
Processing Power
Both the Core 2 Duo L7400 and Pentium Dual-Core E2140 share an identical 2-core/2-thread configuration. The Pentium Dual-Core E2140 is built on the NetBurst (2000−2006) architecture. In PassMark, the Core 2 Duo L7400 scores 765 against the Pentium Dual-Core E2140's 815 — a 6.3% lead for the Pentium Dual-Core E2140. L3 cache: 4 MB L2 Cache on the Core 2 Duo L7400 vs 0 kB on the Pentium Dual-Core E2140.
| Feature | Core 2 Duo L7400 | Pentium Dual-Core E2140 |
|---|---|---|
| Cores / Threads | 2 | 2 / 2 |
| Boost Clock | — | 1.6 GHz |
| Base Clock | 1.5 GHz | — |
| L3 Cache | 4 MB L2 Cache | 0 kB |
| L2 Cache | — | 1 MB (total) |
| Process | 65 nm | 65 nm |
| Architecture | — | NetBurst (2000−2006) |
| PassMark | 765 | 815+7% |
Memory & Platform
The Core 2 Duo L7400 uses the BGA479 socket (PCIe 1.1), while the Pentium Dual-Core E2140 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo L7400 | Pentium Dual-Core E2140 |
|---|---|---|
| Socket | BGA479 | LGA775 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
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