Celeron E1500 vs Atom D2550
Celeron E1500
Atom D2550
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 Celeron E1500 is positioned at rank 907 and the Atom D2550 is on rank 721, so the Atom D2550 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron E1500
Performance Per Dollar Atom D2550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron E1500 | Atom D2550 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($5) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Allendale (2006−2009) / 65 nm) | 🛑 Legacy (Cedarview (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Celeron E1500 | Atom D2550 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($5) | ✅ 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 Celeron E1500 and Atom D2550
Celeron E1500
The Celeron E1500 is manufactured by Intel. It was released in 30 November 2008 (17 years ago). It is based on the Allendale (2006−2009) 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: 512 kB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 765 points. Launch price was $63.
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.
Processing Power
The Celeron E1500 packs 2 cores / 2 threads, matching the Atom D2550's 2 cores. Boost clocks reach 2.2 GHz on the Celeron E1500 versus 1.87 GHz on the Atom D2550 — a 16.2% clock advantage for the Celeron E1500 (base: 2.2 GHz vs 1.86 GHz). The Celeron E1500 uses the Allendale (2006−2009) architecture (65 nm), while the Atom D2550 uses Cedarview (2011−2012) (32 nm). In PassMark, the Celeron E1500 scores 765 against the Atom D2550's 715 — a 6.8% lead for the Celeron E1500. Both processors carry 0 kB of L3 cache.
| Feature | Celeron E1500 | Atom D2550 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 2.2 GHz+18% | 1.87 GHz |
| Base Clock | 2.2 GHz+18% | 1.86 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (total) | 512K (per core) |
| Process | 65 nm | 32 nm-51% |
| Architecture | Allendale (2006−2009) | Cedarview (2011−2012) |
| PassMark | 765+7% | 715 |
| Geekbench 6 Single | 285 | — |
| Geekbench 6 Multi | 515 | — |
Memory & Platform
The Celeron E1500 uses the LGA775 socket (PCIe 1.1), while the Atom D2550 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Celeron E1500 versus DDR3-1066 on the Atom D2550 — the Atom D2550 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron E1500 supports up to 8 GB of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Memory channels: 2 (Celeron E1500) vs 1 (Atom D2550). PCIe lanes: 0 (Celeron E1500) vs 4 (Atom D2550) — the Atom D2550 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: G31,P35,G41 (Celeron E1500) and Intel FCBGA559 (Atom D2550).
| Feature | Celeron E1500 | Atom D2550 |
|---|---|---|
| Socket | LGA775 | FCBGA559 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-800 | DDR3-1066+50% |
| Max RAM Capacity | 8 GB+100% | 4 GB |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 4 |
Advanced Features
Virtualization: No (Celeron E1500) / not specified (Atom D2550). The Atom D2550 includes integrated graphics (Intel GMA 3650), while the Celeron E1500 requires a dedicated GPU. Primary use case: Celeron E1500 targets Budget. Direct competitor: Celeron E1500 rivals Pentium E2200.
| Feature | Celeron E1500 | Atom D2550 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel GMA 3650 |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | No | — |
| Target Use | Budget | — |
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