CPU
GPU
Celeron 450
Sempron 140
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 450 is positioned at rank 1004 and the Sempron 140 is on rank 864, so the Sempron 140 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 450
Performance Per Dollar Sempron 140
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 450 | Sempron 140 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($5) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Conroe-L (2007−2008) / 65 nm) | 🛑 Legacy (Sargas (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Celeron 450 | Sempron 140 |
|---|---|---|
| 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 450 and Sempron 140
Celeron 450
The Celeron 450 is manufactured by Intel. It was released in 31 August 2008 (17 years ago). It is based on the Conroe-L (2007−2008) architecture. It features 1 cores and 1 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 35 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 495 points. Launch price was $53.
Sempron 140
The Sempron 140 is manufactured by AMD. It was released in 22 July 2009 (16 years ago). It is based on the Sargas (2009−2011) architecture. It features 1 cores and 1 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 513 points. Launch price was $40.
Processing Power
Both the Celeron 450 and Sempron 140 share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Celeron 450 versus 2.7 GHz on the Sempron 140 — a 20.4% clock advantage for the Sempron 140 (base: 2.2 GHz vs 2.7 GHz). The Celeron 450 uses the Conroe-L (2007−2008) architecture (65 nm), while the Sempron 140 uses Sargas (2009−2011) (45 nm). In PassMark, the Celeron 450 scores 495 against the Sempron 140's 513 — a 3.6% lead for the Sempron 140. Both processors carry 0 kB of L3 cache.
| Feature | Celeron 450 | Sempron 140 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.2 GHz | 2.7 GHz+23% |
| Base Clock | 2.2 GHz | 2.7 GHz+23% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 1 MB (per core)+100% |
| Process | 65 nm | 45 nm-31% |
| Architecture | Conroe-L (2007−2008) | Sargas (2009−2011) |
| PassMark | 495 | 513+4% |
| Geekbench 6 Single | — | 292 |
| Geekbench 6 Multi | 269 | — |
Memory & Platform
The Celeron 450 uses the LGA775 socket (PCIe 1.1), while the Sempron 140 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Celeron 450 versus DDR3-1066 on the Sempron 140 — the Sempron 140 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both feature 2-channel memory with ECC support. Chipset compatibility: 945,G31,G41 (Celeron 450) and AM3,AM2+ (Sempron 140).
| Feature | Celeron 450 | Sempron 140 |
|---|---|---|
| Socket | LGA775 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-800 | DDR3-1066+50% |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | — |
Advanced Features
Only the Sempron 140 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: No (Celeron 450) vs AMD-V (Sempron 140). Primary use case: Celeron 450 targets Budget, Sempron 140 targets Budget. Direct competitor: Celeron 450 rivals Pentium 4 2.80; Sempron 140 rivals Celeron 420.
| Feature | Celeron 450 | Sempron 140 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | No | AMD-V |
| Target Use | Budget | Budget |
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