Phenom II X3 B77 vs Pentium Gold 4425Y
Phenom II X3 B77
Pentium Gold 4425Y
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 Phenom II X3 B77 is positioned at rank 1057 and the Pentium Gold 4425Y is on rank 600, so the Pentium Gold 4425Y offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom II X3 B77
Performance Per Dollar Pentium Gold 4425Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X3 B77 | Pentium Gold 4425Y |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($35) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Heka (2009−2010) / 45 nm) | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) |
💎 Value Proposition
| Insight | Phenom II X3 B77 | Pentium Gold 4425Y |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($35) | ✅ More affordable ($0) |
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 Phenom II X3 B77 and Pentium Gold 4425Y
Phenom II X3 B77
The Phenom II X3 B77 is manufactured by AMD. It was released in 2009-01-01. It is based on the Heka (2009−2010) architecture. It features 3 cores and 3 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,844 points. Launch price was $149.
Pentium Gold 4425Y
The Pentium Gold 4425Y is manufactured by Intel. It was released in 21 April 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 1,854 points. Launch price was $161.
Processing Power
The Phenom II X3 B77 packs 3 cores / 3 threads, while the Pentium Gold 4425Y offers 2 cores / 4 threads — the Phenom II X3 B77 has 1 more core. Boost clocks reach 3.2 GHz on the Phenom II X3 B77 versus 1.7 GHz on the Pentium Gold 4425Y — a 61.2% clock advantage for the Phenom II X3 B77 (base: 3.2 GHz vs 1.7 GHz). The Phenom II X3 B77 uses the Heka (2009−2010) architecture (45 nm), while the Pentium Gold 4425Y uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Phenom II X3 B77 scores 1,844 against the Pentium Gold 4425Y's 1,854 — a 0.5% lead for the Pentium Gold 4425Y. L3 cache: 6 MB (total) on the Phenom II X3 B77 vs 2 MB on the Pentium Gold 4425Y.
| Feature | Phenom II X3 B77 | Pentium Gold 4425Y |
|---|---|---|
| Cores / Threads | 3 / 3+50% | 2 / 4 |
| Boost Clock | 3.2 GHz+88% | 1.7 GHz |
| Base Clock | 3.2 GHz+88% | 1.7 GHz |
| L3 Cache | 6 MB (total)+200% | 2 MB |
| L2 Cache | 512 kB (per core) | 512 kB |
| Process | 45 nm | 14 nm-69% |
| Architecture | Heka (2009−2010) | Kaby Lake (2016−2019) |
| PassMark | 1,844 | 1,854 |
Memory & Platform
The Phenom II X3 B77 uses the AM3 socket (PCIe 2.0), while the Pentium Gold 4425Y uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X3 B77 | Pentium Gold 4425Y |
|---|---|---|
| Socket | AM3 | FCBGA1515 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 0 | — |
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