Celeron 877 vs Pentium D 940
Celeron 877
Pentium D 940
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 877 is positioned at rank 1097 and the Pentium D 940 is on rank 1055, so the Pentium D 940 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 877
Performance Per Dollar Pentium D 940
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 877 | Pentium D 940 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (NetBurst (2000−2006) / 65 nm) |
💎 Value Proposition
| Insight | Celeron 877 | Pentium D 940 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+9%) |
| 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 Celeron 877 and Pentium D 940
Celeron 877
The Celeron 877 is manufactured by Intel. It was released in 1 July 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 805 points. Launch price was $86.
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.
Processing Power
Both the Celeron 877 and Pentium D 940 share an identical 2-core/2-thread configuration. Boost clocks reach 1.4 GHz on the Celeron 877 versus 3.2 GHz on the Pentium D 940 — a 78.3% clock advantage for the Pentium D 940 (base: 1.4 GHz vs 3.2 GHz). The Celeron 877 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Pentium D 940 uses NetBurst (2000−2006) (65 nm). In PassMark, the Celeron 877 scores 805 against the Pentium D 940's 875 — a 8.3% lead for the Pentium D 940. L3 cache: 2 MB (total) on the Celeron 877 vs 0 kB on the Pentium D 940.
| Feature | Celeron 877 | Pentium D 940 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.4 GHz | 3.2 GHz+129% |
| Base Clock | 1.4 GHz | 3.2 GHz+129% |
| L3 Cache | 2 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 2 MB (total)+700% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | NetBurst (2000−2006) |
| PassMark | 805 | 875+9% |
Memory & Platform
The Celeron 877 uses the BGA1023 socket (PCIe 2.0), while the Pentium D 940 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Celeron 877 | Pentium D 940 |
|---|---|---|
| Socket | BGA1023 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x (Celeron 877) / not specified (Pentium D 940). The Celeron 877 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Pentium D 940 requires a dedicated GPU. Primary use case: Celeron 877 targets Budget. Direct competitor: Celeron 877 rivals Pentium 967.
| Feature | Celeron 877 | Pentium D 940 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics (Sandy Bridge) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
Value Analysis
The Celeron 877 launched at $86 MSRP, while the Pentium D 940 debuted at $132. At current prices ($15 vs $15), the Pentium D 940 is $0 cheaper. In terms of value (PassMark points per dollar), the Celeron 877 delivers 53.7 pts/$ vs 58.3 pts/$ for the Pentium D 940 — making the Pentium D 940 the 8.3% better value option.
| Feature | Celeron 877 | Pentium D 940 |
|---|---|---|
| MSRP | $86-35% | $132 |
| Avg Price (30d) | $15 | $15 |
| Performance per Dollar | 53.7 | 58.3+9% |
| Release Date | 2012 | 2006 |
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