Pentium D 940 vs Sempron 2650
Pentium D 940
Sempron 2650
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 Pentium D 940 is positioned at rank 1055 and the Sempron 2650 is on rank 601, so the Sempron 2650 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium D 940
Performance Per Dollar Sempron 2650
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium D 940 | Sempron 2650 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (NetBurst (2000−2006) / 65 nm) | 🛑 Legacy (Kabini (2013−2014) / 28 nm) |
💎 Value Proposition
| Insight | Pentium D 940 | Sempron 2650 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 Pentium D 940 and Sempron 2650
Pentium D 940
The Pentium D 940 is manufactured by Intel. It was released in 5 January 2006 (19 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 130 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 875 points. Launch price was $423.
Sempron 2650
The Sempron 2650 is manufactured by AMD. It was released in 2007-01-01. It is based on the Kabini (2013−2014) architecture. It features 2 cores and 2 threads. Max frequency: 1.45 GHz. L2 cache: 1024 kB. Built on 28 nm process technology. Socket: AM1. Thermal design power (TDP): 25 Watt. Memory support: DDR3-1333. Passmark benchmark score: 892 points. Launch price was $69.
Processing Power
Both the Pentium D 940 and Sempron 2650 share an identical 2-core/2-thread configuration. Boost clocks reach 3.2 GHz on the Pentium D 940 versus 1.45 GHz on the Sempron 2650 — a 75.3% clock advantage for the Pentium D 940. The Pentium D 940 uses the NetBurst (2000−2006) architecture (65 nm), while the Sempron 2650 uses Kabini (2013−2014) (28 nm). In PassMark, the Pentium D 940 scores 875 against the Sempron 2650's 892 — a 1.9% lead for the Sempron 2650.
| Feature | Pentium D 940 | Sempron 2650 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.2 GHz+121% | 1.45 GHz |
| Base Clock | 3.2 GHz | — |
| L3 Cache | 0 kB | — |
| L2 Cache | 2 MB (total)+100% | 1024 kB |
| Process | 65 nm | 28 nm-57% |
| Architecture | NetBurst (2000−2006) | Kabini (2013−2014) |
| PassMark | 875 | 892+2% |
Memory & Platform
The Pentium D 940 uses the LGA775 socket (PCIe 1.1), while the Sempron 2650 uses AM1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium D 940 | Sempron 2650 |
|---|---|---|
| Socket | LGA775 | AM1 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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