
A8-3800 vs Xeon X5355

A8-3800

Xeon X5355
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 A8-3800 is positioned at rank 886 and the Xeon X5355 is on rank 1032, so the A8-3800 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A8-3800
Performance Per Dollar Xeon X5355
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A8-3800 | Xeon X5355 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($40) | ⚠️ Higher cost ($4,000) |
| Longevity | 🛑 Legacy (Llano (2011−2012) / 32 nm) | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | A8-3800 | Xeon X5355 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+9959%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($40) | ⚠️ Higher cost ($4,000) |
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 A8-3800 and Xeon X5355

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.

Xeon X5355
The Xeon X5355 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 0.67 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 120 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,039 points. Launch price was $1,172.
Processing Power
Both the A8-3800 and Xeon X5355 share an identical 4-core/4-thread configuration. Boost clocks reach 2.7 GHz on the A8-3800 versus 0.67 GHz on the Xeon X5355 — a 120.5% clock advantage for the A8-3800 (base: 2.4 GHz vs 2.66 GHz). The A8-3800 uses the Llano (2011−2012) architecture (32 nm), while the Xeon X5355 uses Clovertown (2006−2007) (65 nm). In PassMark, the A8-3800 scores 2,051 against the Xeon X5355's 2,039 — a 0.6% lead for the A8-3800. L3 cache: 0 kB on the A8-3800 vs 8 MB L2 Cache on the Xeon X5355.
| Feature | A8-3800 | Xeon X5355 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.7 GHz+303% | 0.67 GHz |
| Base Clock | 2.4 GHz | 2.66 GHz+11% |
| L3 Cache | 0 kB | 8 MB L2 Cache |
| L2 Cache | 1 MB (per core) | 4 MB (total)+300% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Llano (2011−2012) | Clovertown (2006−2007) |
| PassMark | 2,051 | 2,039 |
| Geekbench 6 Single | 370 | — |
| Geekbench 6 Multi | 1,350 | — |
Memory & Platform
The A8-3800 uses the FM1 socket (PCIe 2.0), while the Xeon X5355 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | A8-3800 | Xeon X5355 |
|---|---|---|
| Socket | FM1 | LGA771 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1866 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: AMD-V (A8-3800) / not specified (Xeon X5355). The A8-3800 includes integrated graphics (Radeon HD 6550D), while the Xeon X5355 requires a dedicated GPU. Primary use case: A8-3800 targets Budget Desktop. Direct competitor: A8-3800 rivals Core i3-2100.
| Feature | A8-3800 | Xeon X5355 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon HD 6550D | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Budget Desktop | — |
Value Analysis
The A8-3800 launched at $130 MSRP, while the Xeon X5355 debuted at $4491. At current prices ($40 vs $4000), the A8-3800 is $3960 cheaper. In terms of value (PassMark points per dollar), the A8-3800 delivers 51.3 pts/$ vs 0.5 pts/$ for the Xeon X5355 — making the A8-3800 the 196.1% better value option.
| Feature | A8-3800 | Xeon X5355 |
|---|---|---|
| MSRP | $130-97% | $4491 |
| Avg Price (30d) | $40-99% | $4000 |
| Performance per Dollar | 51.3+10160% | 0.5 |
| Release Date | 2011 | 2006 |
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