
Celeron B820 vs Pentium Dual-Core E2140

Celeron B820

Pentium Dual-Core E2140
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 Pentium Dual-Core E2140 is on rank 978, so the Pentium Dual-Core E2140 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 Pentium Dual-Core E2140
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron B820 | Pentium Dual-Core E2140 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($5) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (NetBurst (2000−2006) / 65 nm) |
💎 Value Proposition
| Insight | Celeron B820 | Pentium Dual-Core E2140 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+220%) |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ More affordable ($5) |
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 Pentium Dual-Core E2140

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.

Pentium Dual-Core E2140
The Pentium Dual-Core E2140 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 815 points. Launch price was $69.
Processing Power
Both the Celeron B820 and Pentium Dual-Core E2140 share an identical 2-core/2-thread configuration. Boost clocks reach 1.7 GHz on the Celeron B820 versus 1.6 GHz on the Pentium Dual-Core E2140 — a 6.1% clock advantage for the Celeron B820. The Celeron B820 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Pentium Dual-Core E2140 uses NetBurst (2000−2006) (65 nm). In PassMark, the Celeron B820 scores 765 against the Pentium Dual-Core E2140's 815 — a 6.3% lead for the Pentium Dual-Core E2140. L3 cache: 2 MB (total) on the Celeron B820 vs 0 kB on the Pentium Dual-Core E2140.
| Feature | Celeron B820 | Pentium Dual-Core E2140 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.7 GHz+6% | 1.6 GHz |
| Base Clock | 1.7 GHz | — |
| L3 Cache | 2 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 1 MB (total)+300% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | NetBurst (2000−2006) |
| PassMark | 765 | 815+7% |
Memory & Platform
The Celeron B820 uses the PGA988 socket (PCIe 2.0), while the Pentium Dual-Core E2140 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Celeron B820 | Pentium Dual-Core E2140 |
|---|---|---|
| Socket | PGA988 | 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 B820) / not specified (Pentium Dual-Core E2140). The Celeron B820 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Pentium Dual-Core E2140 requires a dedicated GPU. Primary use case: Celeron B820 targets Budget. Direct competitor: Celeron B820 rivals Pentium 967.
| Feature | Celeron B820 | Pentium Dual-Core E2140 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics (Sandy Bridge) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
Value Analysis
The Celeron B820 launched at $86 MSRP, while the Pentium Dual-Core E2140 debuted at $74. At current prices ($15 vs $5), the Pentium Dual-Core E2140 is $10 cheaper. In terms of value (PassMark points per dollar), the Celeron B820 delivers 51.0 pts/$ vs 163.0 pts/$ for the Pentium Dual-Core E2140 — making the Pentium Dual-Core E2140 the 104.7% better value option.
| Feature | Celeron B820 | Pentium Dual-Core E2140 |
|---|---|---|
| MSRP | $86 | $74-14% |
| Avg Price (30d) | $15 | $5-67% |
| Performance per Dollar | 51.0 | 163.0+220% |
| Release Date | 2012 | 2007 |
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