Pentium D 940 vs Celeron 877
Pentium D 940
Celeron 877
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 Celeron 877 is on rank 1097, 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 Pentium D 940
Performance Per Dollar Celeron 877
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium D 940 | Celeron 877 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (NetBurst (2000−2006) / 65 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Pentium D 940 | Celeron 877 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+9%) | ❌ 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 Pentium D 940 and Celeron 877
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.
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.
Processing Power
Both the Pentium D 940 and Celeron 877 share an identical 2-core/2-thread configuration. Boost clocks reach 3.2 GHz on the Pentium D 940 versus 1.4 GHz on the Celeron 877 — a 78.3% clock advantage for the Pentium D 940 (base: 3.2 GHz vs 1.4 GHz). The Pentium D 940 uses the NetBurst (2000−2006) architecture (65 nm), while the Celeron 877 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Pentium D 940 scores 875 against the Celeron 877's 805 — a 8.3% lead for the Pentium D 940. L3 cache: 0 kB on the Pentium D 940 vs 2 MB (total) on the Celeron 877.
| Feature | Pentium D 940 | Celeron 877 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.2 GHz+129% | 1.4 GHz |
| Base Clock | 3.2 GHz+129% | 1.4 GHz |
| L3 Cache | 0 kB | 2 MB (total) |
| L2 Cache | 2 MB (total)+700% | 256K (per core) |
| Process | 65 nm | 32 nm-51% |
| Architecture | NetBurst (2000−2006) | Sandy Bridge (2011−2013) |
| PassMark | 875+9% | 805 |
Memory & Platform
The Pentium D 940 uses the LGA775 socket (PCIe 1.1), while the Celeron 877 uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium D 940 | Celeron 877 |
|---|---|---|
| Socket | LGA775 | BGA1023 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Pentium D 940) / VT-x (Celeron 877). 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 | Pentium D 940 | Celeron 877 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics (Sandy Bridge) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
Value Analysis
The Pentium D 940 launched at $132 MSRP, while the Celeron 877 debuted at $86. At current prices ($15 vs $15), the Celeron 877 is $0 cheaper. In terms of value (PassMark points per dollar), the Pentium D 940 delivers 58.3 pts/$ vs 53.7 pts/$ for the Celeron 877 — making the Pentium D 940 the 8.3% better value option.
| Feature | Pentium D 940 | Celeron 877 |
|---|---|---|
| MSRP | $132 | $86-35% |
| Avg Price (30d) | $15 | $15 |
| Performance per Dollar | 58.3+9% | 53.7 |
| Release Date | 2006 | 2012 |
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