Pentium G620T vs Xeon E5420
Pentium G620T
Xeon E5420
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 G620T is positioned at rank 571 and the Xeon E5420 is on rank 1033, so the Pentium G620T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G620T
Performance Per Dollar Xeon E5420
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G620T | Xeon E5420 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($90) | ⚠️ Higher cost ($6,500) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) |
💎 Value Proposition
| Insight | Pentium G620T | Xeon E5420 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+7161%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($90) | ⚠️ Higher cost ($6,500) |
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 G620T and Xeon E5420
Pentium G620T
The Pentium G620T is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,055 points. Launch price was $80.
Xeon E5420
The Xeon E5420 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,044 points. Launch price was $316.
Processing Power
The Pentium G620T packs 2 cores / 2 threads, while the Xeon E5420 offers 4 cores / 4 threads — the Xeon E5420 has 2 more cores. Boost clocks reach 2.2 GHz on the Pentium G620T versus 2.5 GHz on the Xeon E5420 — a 12.8% clock advantage for the Xeon E5420 (base: 2.2 GHz vs 2.5 GHz). The Pentium G620T uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Xeon E5420 uses Harpertown (2007−2008) (45 nm). In PassMark, the Pentium G620T scores 2,055 against the Xeon E5420's 2,044 — a 0.5% lead for the Pentium G620T. L3 cache: 3 MB (total) on the Pentium G620T vs 12 MB L2 Cache on the Xeon E5420.
| Feature | Pentium G620T | Xeon E5420 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.2 GHz | 2.5 GHz+14% |
| Base Clock | 2.2 GHz | 2.5 GHz+14% |
| L3 Cache | 3 MB (total) | 12 MB L2 Cache+300% |
| L2 Cache | 256 kB (per core) | 6 MB (total)+2300% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Sandy Bridge (2011−2013) | Harpertown (2007−2008) |
| PassMark | 2,055 | 2,044 |
| Geekbench 6 Single | — | 314 |
| Geekbench 6 Multi | — | 881 |
Memory & Platform
The Pentium G620T uses the LGA1155 socket (PCIe 2.0), while the Xeon E5420 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium G620T | Xeon E5420 |
|---|---|---|
| Socket | LGA1155 | LGA771 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR2-667 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 32 |
Advanced Features
Virtualization: not specified (Pentium G620T) / Yes (Xeon E5420).
| Feature | Pentium G620T | Xeon E5420 |
|---|---|---|
| Integrated GPU | — | No |
| AVX-512 | — | No |
| Virtualization | — | Yes |
Value Analysis
The Pentium G620T launched at $64 MSRP, while the Xeon E5420 debuted at $7214. At current prices ($90 vs $6500), the Pentium G620T is $6410 cheaper. In terms of value (PassMark points per dollar), the Pentium G620T delivers 22.8 pts/$ vs 0.3 pts/$ for the Xeon E5420 — making the Pentium G620T the 194.6% better value option.
| Feature | Pentium G620T | Xeon E5420 |
|---|---|---|
| MSRP | $64-99% | $7214 |
| Avg Price (30d) | $90-99% | $6500 |
| Performance per Dollar | 22.8+7500% | 0.3 |
| Release Date | 2011 | 2007 |
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