CPU
GPU
Celeron M 575
Pentium G3420T
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 M 575 is positioned at rank 827 and the Pentium G3420T is on rank 680, 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 Celeron M 575
Performance Per Dollar Pentium G3420T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron M 575 | Pentium G3420T |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($12) | ⚠️ Higher cost ($40) |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Celeron M 575 | Pentium G3420T |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+234%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($12) | ⚠️ Higher cost ($40) |
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 M 575 and Pentium G3420T
Celeron M 575
The Celeron M 575 is manufactured by Intel. It was released in 1 June 2008 (17 years ago). It is based on the Merom (2006−2008) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,917 points. Launch price was $86.
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.
Processing Power
The Celeron M 575 packs 1 cores / 1 threads, while the Pentium G3420T offers 2 cores / 2 threads — the Pentium G3420T has 1 more core. Boost clocks reach 2 GHz on the Celeron M 575 versus 2.7 GHz on the Pentium G3420T — a 29.8% clock advantage for the Pentium G3420T. The Celeron M 575 uses the Merom (2006−2008) architecture (65 nm), while the Pentium G3420T uses Haswell (2013−2015) (22 nm). In PassMark, the Celeron M 575 scores 1,917 against the Pentium G3420T's 1,912 — a 0.3% lead for the Celeron M 575.
| Feature | Celeron M 575 | Pentium G3420T |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 2 GHz | 2.7 GHz+35% |
| Base Clock | — | 2.7 GHz |
| L3 Cache | — | 3 MB (total) |
| L2 Cache | 1 MB+300% | 256 kB (per core) |
| Process | 65 nm | 22 nm-66% |
| Architecture | Merom (2006−2008) | Haswell (2013−2015) |
| PassMark | 1,917 | 1,912 |
Memory & Platform
The Celeron M 575 uses the PGA478 socket (PCIe 1.1), while the Pentium G3420T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 800 on the Celeron M 575 versus DDR3-1600 on the Pentium G3420T — the Celeron M 575 supports 198.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Pentium G3420T supports up to 32 GB of RAM compared to 4 — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Celeron M 575) vs 16 (Pentium G3420T) — the Pentium G3420T offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GL40,GM45 (Celeron M 575) and LGA1150 (Pentium G3420T).
| Feature | Celeron M 575 | Pentium G3420T |
|---|---|---|
| Socket | PGA478 | LGA1150 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | 800+26567% | DDR3-1600 |
| Max RAM Capacity | 4 | 32 GB+838860700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: false (Celeron M 575) vs VT-x, VT-d (Pentium G3420T). The Pentium G3420T includes integrated graphics (Intel HD Graphics), while the Celeron M 575 requires a dedicated GPU. Direct competitor: Celeron M 575 rivals Mobile Sempron SI-40.
| Feature | Celeron M 575 | Pentium G3420T |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel HD Graphics |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | false | VT-x, VT-d |
Value Analysis
The Celeron M 575 launched at $86 MSRP, while the Pentium G3420T debuted at $75. At current prices ($12 vs $40), the Celeron M 575 is $28 cheaper. In terms of value (PassMark points per dollar), the Celeron M 575 delivers 159.8 pts/$ vs 47.8 pts/$ for the Pentium G3420T — making the Celeron M 575 the 107.9% better value option.
| Feature | Celeron M 575 | Pentium G3420T |
|---|---|---|
| MSRP | $86 | $75-13% |
| Avg Price (30d) | $12-70% | $40 |
| Performance per Dollar | 159.8+234% | 47.8 |
| Release Date | 2008 | 2013 |
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