
Opteron X3421

Celeron N5100
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 Opteron X3421 is positioned at rank 102 and the Celeron N5100 is on rank 183, so the Opteron X3421 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Opteron X3421
Performance Per Dollar Celeron N5100
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron X3421 | Celeron N5100 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Excavator (2017−2018) / 28 nm) | ✨ Modern (Jasper Lake (2021) / 10 nm) |
💎 Value Proposition
| Insight | Opteron X3421 | Celeron N5100 |
|---|---|---|
| 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 Opteron X3421 and Celeron N5100

Opteron X3421
The Opteron X3421 is manufactured by AMD. It was released in 2015-01-01. It is based on the Excavator (2017−2018) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L2 cache: 2 MB (total). Built on 28 nm process technology. Socket: FP4. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 3,306 points. Launch price was $800.

Celeron N5100
The Celeron N5100 is manufactured by Intel. It was released in 2007-01-01. It is based on the Jasper Lake (2021) architecture. It features 4 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 2.8 GHz. L3 cache: 4 MB (total). L2 cache: 1.5 MB (total). Built on 10 nm process technology. Socket: BGA1338. Thermal design power (TDP): 6 Watt. Memory support: DDR4. Passmark benchmark score: 3,305 points. Launch price was $69.
Processing Power
Both the Opteron X3421 and Celeron N5100 share an identical 4-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Opteron X3421 versus 2.8 GHz on the Celeron N5100 — a 19.4% clock advantage for the Opteron X3421 (base: 2.1 GHz vs 1.1 GHz). The Opteron X3421 uses the Excavator (2017−2018) architecture (28 nm), while the Celeron N5100 uses Jasper Lake (2021) (10 nm). In PassMark, the Opteron X3421 scores 3,306 against the Celeron N5100's 3,305 — a 0% lead for the Opteron X3421.
| Feature | Opteron X3421 | Celeron N5100 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3.4 GHz+21% | 2.8 GHz |
| Base Clock | 2.1 GHz+91% | 1.1 GHz |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 2 MB (total)+33% | 1.5 MB (total) |
| Process | 28 nm | 10 nm-64% |
| Architecture | Excavator (2017−2018) | Jasper Lake (2021) |
| PassMark | 3,306 | 3,305 |
Memory & Platform
The Opteron X3421 uses the FP4 socket (PCIe 3.0), while the Celeron N5100 uses BGA1338 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Opteron X3421 | Celeron N5100 |
|---|---|---|
| Socket | FP4 | BGA1338 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
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