Pentium Dual-Core E2140 vs Celeron B820
Pentium Dual-Core E2140
Celeron B820
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 Dual-Core E2140 is positioned at rank 978 and the Celeron B820 is on rank 1109, 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 Pentium Dual-Core E2140
Performance Per Dollar Celeron B820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Dual-Core E2140 | Celeron B820 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($5) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (NetBurst (2000−2006) / 65 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Pentium Dual-Core E2140 | Celeron B820 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+220%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($5) | ⚠️ Higher cost ($15) |
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 Dual-Core E2140 and Celeron B820
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.
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.
Processing Power
Both the Pentium Dual-Core E2140 and Celeron B820 share an identical 2-core/2-thread configuration. Boost clocks reach 1.6 GHz on the Pentium Dual-Core E2140 versus 1.7 GHz on the Celeron B820 — a 6.1% clock advantage for the Celeron B820. The Pentium Dual-Core E2140 uses the NetBurst (2000−2006) architecture (65 nm), while the Celeron B820 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Pentium Dual-Core E2140 scores 815 against the Celeron B820's 765 — a 6.3% lead for the Pentium Dual-Core E2140. L3 cache: 0 kB on the Pentium Dual-Core E2140 vs 2 MB (total) on the Celeron B820.
| Feature | Pentium Dual-Core E2140 | Celeron B820 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.6 GHz | 1.7 GHz+6% |
| Base Clock | — | 1.7 GHz |
| L3 Cache | 0 kB | 2 MB (total) |
| L2 Cache | 1 MB (total)+300% | 256K (per core) |
| Process | 65 nm | 32 nm-51% |
| Architecture | NetBurst (2000−2006) | Sandy Bridge (2011−2013) |
| PassMark | 815+7% | 765 |
Memory & Platform
The Pentium Dual-Core E2140 uses the LGA775 socket (PCIe 1.1), while the Celeron B820 uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium Dual-Core E2140 | Celeron B820 |
|---|---|---|
| Socket | LGA775 | PGA988 |
| 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 Dual-Core E2140) / VT-x (Celeron B820). 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 | Pentium Dual-Core E2140 | Celeron B820 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics (Sandy Bridge) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
Value Analysis
The Pentium Dual-Core E2140 launched at $74 MSRP, while the Celeron B820 debuted at $86. At current prices ($5 vs $15), the Pentium Dual-Core E2140 is $10 cheaper. In terms of value (PassMark points per dollar), the Pentium Dual-Core E2140 delivers 163.0 pts/$ vs 51.0 pts/$ for the Celeron B820 — making the Pentium Dual-Core E2140 the 104.7% better value option.
| Feature | Pentium Dual-Core E2140 | Celeron B820 |
|---|---|---|
| MSRP | $74-14% | $86 |
| Avg Price (30d) | $5-67% | $15 |
| Performance per Dollar | 163.0+220% | 51.0 |
| Release Date | 2007 | 2012 |
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