
Pentium G3420T vs Celeron B800

Pentium G3420T

Celeron B800
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 G3420T is positioned at rank 680 and the Celeron B800 is on rank 810, so the Pentium G3420T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G3420T
Performance Per Dollar Celeron B800
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G3420T | Celeron B800 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($40) | ✅ More affordable ($5) |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Pentium G3420T | Celeron B800 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+699%) |
| Upfront Cost | ⚠️ Higher cost ($40) | ✅ 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 Pentium G3420T and Celeron B800

Pentium G3420T
The Pentium G3420T is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,912 points. Launch price was $75.

Celeron B800
The Celeron B800 is manufactured by Intel. It was released in 19 June 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.5 GHz, with boost up to 1.5 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: 1,910 points. Launch price was $80.
Processing Power
Both the Pentium G3420T and Celeron B800 share an identical 2-core/2-thread configuration. Boost clocks reach 2.7 GHz on the Pentium G3420T versus 1.5 GHz on the Celeron B800 — a 57.1% clock advantage for the Pentium G3420T (base: 2.7 GHz vs 1.5 GHz). The Pentium G3420T uses the Haswell (2013−2015) architecture (22 nm), while the Celeron B800 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Pentium G3420T scores 1,912 against the Celeron B800's 1,910 — a 0.1% lead for the Pentium G3420T. L3 cache: 3 MB (total) on the Pentium G3420T vs 2 MB (total) on the Celeron B800.
| Feature | Pentium G3420T | Celeron B800 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.7 GHz+80% | 1.5 GHz |
| Base Clock | 2.7 GHz+80% | 1.5 GHz |
| L3 Cache | 3 MB (total)+50% | 2 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 22 nm-31% | 32 nm |
| Architecture | Haswell (2013−2015) | Sandy Bridge (2011−2013) |
| PassMark | 1,912 | 1,910 |
Memory & Platform
The Pentium G3420T uses the LGA1150 socket (PCIe 3.0), while the Celeron B800 uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1600 memory speed. The Pentium G3420T supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: LGA1150 (Pentium G3420T) and HM65,HM67,QM67,QM77 (Celeron B800).
| Feature | Pentium G3420T | Celeron B800 |
|---|---|---|
| Socket | LGA1150 | PGA988 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1600 | DDR3-1333 |
| Max RAM Capacity | 32 GB+100% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Pentium G3420T) vs VT-x (Celeron B800). Both include integrated graphics — Intel HD Graphics (Pentium G3420T) and HD Graphics (Sandy Bridge) (Celeron B800) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron B800 targets Budget. Direct competitor: Celeron B800 rivals Pentium 967.
| Feature | Pentium G3420T | Celeron B800 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics | HD Graphics (Sandy Bridge) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x |
| Target Use | — | Budget |
Value Analysis
The Pentium G3420T launched at $75 MSRP, while the Celeron B800 debuted at $80. At current prices ($40 vs $5), the Celeron B800 is $35 cheaper. In terms of value (PassMark points per dollar), the Pentium G3420T delivers 47.8 pts/$ vs 382.0 pts/$ for the Celeron B800 — making the Celeron B800 the 155.5% better value option.
| Feature | Pentium G3420T | Celeron B800 |
|---|---|---|
| MSRP | $75-6% | $80 |
| Avg Price (30d) | $40 | $5-88% |
| Performance per Dollar | 47.8 | 382.0+699% |
| Release Date | 2013 | 2011 |
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