
Opteron 140 vs Celeron 420

Opteron 140

Celeron 420
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 140 is positioned at rank 849 and the Celeron 420 is on rank 982, so the Opteron 140 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Opteron 140
Performance Per Dollar Celeron 420
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 140 | Celeron 420 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) | 🛑 Legacy (Conroe-L (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Opteron 140 | Celeron 420 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
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 140 and Celeron 420

Opteron 140
The Opteron 140 is manufactured by AMD. It was released in Setembro 2003 (22 years ago). It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 1.4 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 85 Watt. Passmark benchmark score: 428 points. Launch price was $596.

Celeron 420
The Celeron 420 is manufactured by Intel. It was released in 3 June 2007 (18 years ago). It is based on the Conroe-L (2007−2008) architecture. It features 1 cores and 1 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 35 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 425 points. Launch price was $23.
Processing Power
Both the Opteron 140 and Celeron 420 share an identical 1-core/1-thread configuration. Boost clocks reach 1.4 GHz on the Opteron 140 versus 1.6 GHz on the Celeron 420 — a 13.3% clock advantage for the Celeron 420. The Opteron 140 uses the SledgeHammer (2003−2005) architecture (130 nm), while the Celeron 420 uses Conroe-L (2007−2008) (65 nm). In PassMark, the Opteron 140 scores 428 against the Celeron 420's 425 — a 0.7% lead for the Opteron 140. Both processors carry 0 kB of L3 cache.
| Feature | Opteron 140 | Celeron 420 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.4 GHz | 1.6 GHz+14% |
| Base Clock | — | 1.6 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB+100% | 512 kB (total) |
| Process | 130 nm | 65 nm-50% |
| Architecture | SledgeHammer (2003−2005) | Conroe-L (2007−2008) |
| PassMark | 428 | 425 |
Memory & Platform
The Opteron 140 uses the 940 socket (PCIe 2.0), while the Celeron 420 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Opteron 140 | Celeron 420 |
|---|---|---|
| Socket | 940 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Opteron 140) / No (Celeron 420). Primary use case: Celeron 420 targets Budget. Direct competitor: Celeron 420 rivals Pentium 4 2.80.
| Feature | Opteron 140 | Celeron 420 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | No |
| Target Use | — | Budget |
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