
Celeron M 585

A8-3800
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 M 585 is positioned at rank 430 and the A8-3800 is on rank 886, so the Celeron M 585 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron M 585
Performance Per Dollar A8-3800
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron M 585 | A8-3800 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Celeron M 585 | A8-3800 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
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 M 585 and A8-3800

Celeron M 585
The Celeron M 585 is manufactured by Intel. It was released in 20 August 2008 (17 years ago). It is based on the Merom (2006−2008) architecture. It features 1 cores and 1 threads. Max frequency: 2.16 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 1 MB. Passmark benchmark score: 2,062 points. Launch price was $70.

A8-3800
The A8-3800 is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,051 points. Launch price was $90.
Processing Power
The Celeron M 585 packs 1 cores / 1 threads, while the A8-3800 offers 4 cores / 4 threads — the A8-3800 has 3 more cores. Boost clocks reach 2.16 GHz on the Celeron M 585 versus 2.7 GHz on the A8-3800 — a 22.2% clock advantage for the A8-3800. The Celeron M 585 uses the Merom (2006−2008) architecture (65 nm), while the A8-3800 uses Llano (2011−2012) (32 nm). In PassMark, the Celeron M 585 scores 2,062 against the A8-3800's 2,051 — a 0.5% lead for the Celeron M 585.
| Feature | Celeron M 585 | A8-3800 |
|---|---|---|
| Cores / Threads | 1 / 1 | 4 / 4+300% |
| Boost Clock | 2.16 GHz | 2.7 GHz+25% |
| Base Clock | — | 2.4 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB | 1 MB (per core) |
| Process | 65 nm | 32 nm-51% |
| Architecture | Merom (2006−2008) | Llano (2011−2012) |
| PassMark | 2,062 | 2,051 |
| Geekbench 6 Single | — | 370 |
| Geekbench 6 Multi | — | 1,350 |
Memory & Platform
The Celeron M 585 uses the PGA478 socket (PCIe 1.1), while the A8-3800 uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 800 on the Celeron M 585 versus DDR3-1866 on the A8-3800 — the Celeron M 585 supports 198.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A8-3800 supports up to 32 GB of RAM compared to 4 — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Celeron M 585) vs 16 (A8-3800) — the A8-3800 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GL40,GM45 (Celeron M 585) and A55,A75 (A8-3800).
| Feature | Celeron M 585 | A8-3800 |
|---|---|---|
| Socket | PGA478 | FM1 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | 800+26567% | DDR3-1866 |
| Max RAM Capacity | 4 | 32 GB+838860700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: false (Celeron M 585) vs AMD-V (A8-3800). The A8-3800 includes integrated graphics (Radeon HD 6550D), while the Celeron M 585 requires a dedicated GPU. Primary use case: A8-3800 targets Budget Desktop. Direct competitor: Celeron M 585 rivals Mobile Sempron SI-40; A8-3800 rivals Core i3-2100.
| Feature | Celeron M 585 | A8-3800 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon HD 6550D |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | false | AMD-V |
| Target Use | — | Budget Desktop |
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