
Atom D2550 vs Core 2 Duo L7400

Atom D2550

Core 2 Duo L7400
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 Atom D2550 is positioned at rank 721 and the Core 2 Duo L7400 is on rank 434, 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 Atom D2550
Performance Per Dollar Core 2 Duo L7400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom D2550 | Core 2 Duo L7400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Cedarview (2011−2012) / 32 nm) | 🛑 Legacy (Legacy / 65 nm) |
💎 Value Proposition
| Insight | Atom D2550 | Core 2 Duo L7400 |
|---|---|---|
| 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 Atom D2550 and Core 2 Duo L7400

Atom D2550
The Atom D2550 is manufactured by Intel. It was released in 1 November 2011 (14 years ago). It is based on the Cedarview (2011−2012) architecture. It features 2 cores and 4 threads. Base frequency is 1.86 GHz, with boost up to 1.87 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 10 Watt. Memory support: DDR3. Passmark benchmark score: 715 points. Launch price was $69.

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.
Processing Power
The Atom D2550 packs 2 cores / 4 threads, matching the Core 2 Duo L7400's 2 cores. The Atom D2550 is built on the Cedarview (2011−2012) architecture. In PassMark, the Atom D2550 scores 715 against the Core 2 Duo L7400's 765 — a 6.8% lead for the Core 2 Duo L7400. L3 cache: 0 kB on the Atom D2550 vs 4 MB L2 Cache on the Core 2 Duo L7400.
| Feature | Atom D2550 | Core 2 Duo L7400 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 |
| Boost Clock | 1.87 GHz | — |
| Base Clock | 1.86 GHz+24% | 1.5 GHz |
| L3 Cache | 0 kB | 4 MB L2 Cache |
| L2 Cache | 512K (per core) | — |
| Process | 32 nm-51% | 65 nm |
| Architecture | Cedarview (2011−2012) | — |
| PassMark | 715 | 765+7% |
Memory & Platform
The Atom D2550 uses the FCBGA559 socket (PCIe 2.0), while the Core 2 Duo L7400 uses BGA479 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Atom D2550 | Core 2 Duo L7400 |
|---|---|---|
| Socket | FCBGA559 | BGA479 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1066 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 4 | — |
Advanced Features
The Atom D2550 includes integrated graphics (Intel GMA 3650), while the Core 2 Duo L7400 requires a dedicated GPU.
| Feature | Atom D2550 | Core 2 Duo L7400 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel GMA 3650 | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















