Pentium Gold G6400T vs Athlon II X4 651
Pentium Gold G6400T
Athlon II X4 651
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Athlon II X4 651
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold G6400T | Athlon II X4 651 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($92) |
| Longevity | ✨ Modern (Legacy / 14 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Pentium Gold G6400T | Athlon II X4 651 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($92) |
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 Gold G6400T and Athlon II X4 651
Pentium Gold G6400T
The Pentium Gold G6400T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 4 threads. Base frequency: 3.4 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,544 points. Launch price was $69.
Athlon II X4 651
The Athlon II X4 651 is manufactured by AMD. It was released in 2009-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 100 Watt. Memory support: DDR3. Passmark benchmark score: 3,584 points. Launch price was $149.
Processing Power
The Pentium Gold G6400T packs 2 cores / 4 threads, while the Athlon II X4 651 offers 4 cores / 4 threads — the Athlon II X4 651 has 2 more cores. The Athlon II X4 651 is built on the Llano (2011−2012) architecture. In PassMark, the Pentium Gold G6400T scores 3,544 against the Athlon II X4 651's 3,584 — a 1.1% lead for the Athlon II X4 651. L3 cache: 4 MB Intel® Smart Cache on the Pentium Gold G6400T vs 0 kB on the Athlon II X4 651.
| Feature | Pentium Gold G6400T | Athlon II X4 651 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | — | 3 GHz |
| Base Clock | 3.4 GHz+13% | 3 GHz |
| L3 Cache | 4 MB Intel® Smart Cache | 0 kB |
| L2 Cache | — | 1 MB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | — | Llano (2011−2012) |
| PassMark | 3,544 | 3,584+1% |
Memory & Platform
The Pentium Gold G6400T uses the LGA1200 socket (PCIe 3.0), while the Athlon II X4 651 uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold G6400T | Athlon II X4 651 |
|---|---|---|
| Socket | LGA1200 | FM1 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1866 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
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