Celeron B820 vs Celeron 877
Celeron B820
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 Celeron B820 is positioned at rank 1109 and the Celeron 877 is on rank 1097, so the Celeron 877 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron B820
Performance Per Dollar Celeron 877
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron B820 | Celeron 877 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower 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 (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Celeron B820 | Celeron 877 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+5%) |
| 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 B820 and Celeron 877
Celeron B820
The Celeron B820 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 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 765 points. Launch price was $86.
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 Celeron B820 and Celeron 877 share an identical 2-core/2-thread configuration. Boost clocks reach 1.7 GHz on the Celeron B820 versus 1.4 GHz on the Celeron 877 — a 19.4% clock advantage for the Celeron B820 (base: 1.7 GHz vs 1.4 GHz). Both are built on the Sandy Bridge (2011−2013) architecture using a 32 nm process. In PassMark, the Celeron B820 scores 765 against the Celeron 877's 805 — a 5.1% lead for the Celeron 877. Both processors carry 2 MB (total) of L3 cache.
| Feature | Celeron B820 | Celeron 877 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.7 GHz+21% | 1.4 GHz |
| Base Clock | 1.7 GHz+21% | 1.4 GHz |
| L3 Cache | 2 MB (total) | 2 MB (total) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Sandy Bridge (2011−2013) |
| PassMark | 765 | 805+5% |
Memory & Platform
The Celeron B820 uses the PGA988 socket (PCIe 2.0), while the Celeron 877 uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM65,HM67,QM67,QM77 (Celeron B820) and HM65,HM67,HM75,HM76,HM77 (Celeron 877).
| Feature | Celeron B820 | Celeron 877 |
|---|---|---|
| Socket | PGA988 | BGA1023 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | DDR3-1333 |
| Max RAM Capacity | 16 GB | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x virtualization. Both include integrated graphics — HD Graphics (Sandy Bridge) (Celeron B820) and HD Graphics (Sandy Bridge) (Celeron 877) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron B820 targets Budget, Celeron 877 targets Budget. Direct competitor: Celeron B820 rivals Pentium 967; Celeron 877 rivals Pentium 967.
| Feature | Celeron B820 | Celeron 877 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Sandy Bridge) | HD Graphics (Sandy Bridge) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | Budget | Budget |
Value Analysis
The Celeron B820 launched at $86 MSRP, while the Celeron 877 debuted at $86. At current prices ($15 vs $15), the Celeron 877 is $0 cheaper. In terms of value (PassMark points per dollar), the Celeron B820 delivers 51.0 pts/$ vs 53.7 pts/$ for the Celeron 877 — making the Celeron 877 the 5.1% better value option.
| Feature | Celeron B820 | Celeron 877 |
|---|---|---|
| MSRP | $86 | $86 |
| Avg Price (30d) | $15 | $15 |
| Performance per Dollar | 51.0 | 53.7+5% |
| Release Date | 2012 | 2012 |
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