
Celeron B820 vs Pentium T3400

Celeron B820

Pentium T3400
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 T3400 is on rank 1194, so the Celeron B820 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 T3400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron B820 | Pentium T3400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($90) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Legacy / 65 nm) |
💎 Value Proposition
| Insight | Celeron B820 | Pentium T3400 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+443%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($90) |
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 T3400

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 T3400
The Pentium T3400 is manufactured by Intel. It was released in 2007-01-01. Base frequency: 2.16 GHz. L3 cache: 1 MB L2 Cache. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 845 points. Launch price was $69.
Processing Power
The Celeron B820 is built on the Sandy Bridge (2011−2013) architecture. In PassMark, the Celeron B820 scores 765 against the Pentium T3400's 845 — a 9.9% lead for the Pentium T3400. L3 cache: 2 MB (total) on the Celeron B820 vs 1 MB L2 Cache on the Pentium T3400.
| Feature | Celeron B820 | Pentium T3400 |
|---|---|---|
| Cores / Threads | 2 / 2 | — |
| Boost Clock | 1.7 GHz | — |
| Base Clock | 1.7 GHz | 2.16 GHz+27% |
| L3 Cache | 2 MB (total)+100% | 1 MB L2 Cache |
| L2 Cache | 256K (per core) | — |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | — |
| PassMark | 765 | 845+10% |
Memory & Platform
The Celeron B820 uses the PGA988 socket (PCIe 2.0), while the Pentium T3400 uses PGA478 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Celeron B820 | Pentium T3400 |
|---|---|---|
| Socket | PGA988 | PGA478 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| 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 T3400). The Celeron B820 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Pentium T3400 requires a dedicated GPU. Primary use case: Celeron B820 targets Budget. Direct competitor: Celeron B820 rivals Pentium 967.
| Feature | Celeron B820 | Pentium T3400 |
|---|---|---|
| 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 T3400 debuted at $150. At current prices ($15 vs $90), the Celeron B820 is $75 cheaper. In terms of value (PassMark points per dollar), the Celeron B820 delivers 51.0 pts/$ vs 9.4 pts/$ for the Pentium T3400 — making the Celeron B820 the 137.8% better value option.
| Feature | Celeron B820 | Pentium T3400 |
|---|---|---|
| MSRP | $86-43% | $150 |
| Avg Price (30d) | $15-83% | $90 |
| Performance per Dollar | 51.0+443% | 9.4 |
| Release Date | 2012 | 2008 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















