Athlon II X4 638 vs Core 2 Duo T6570
Athlon II X4 638
Core 2 Duo T6570
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 Athlon II X4 638 is positioned at rank 1040 and the Core 2 Duo T6570 is on rank 222, so the Core 2 Duo T6570 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X4 638
Performance Per Dollar Core 2 Duo T6570
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X4 638 | Core 2 Duo T6570 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($280) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Llano (2011−2012) / 32 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Athlon II X4 638 | Core 2 Duo T6570 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($280) | ✅ 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 Athlon II X4 638 and Core 2 Duo T6570
Athlon II X4 638
The Athlon II X4 638 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 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,260 points. Launch price was $149.
Core 2 Duo T6570
The Core 2 Duo T6570 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 2 MB. L2 cache: 2 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,274 points. Launch price was $249.
Processing Power
The Athlon II X4 638 packs 4 cores / 4 threads, while the Core 2 Duo T6570 offers 2 cores / 2 threads — the Athlon II X4 638 has 2 more cores. Boost clocks reach 2.7 GHz on the Athlon II X4 638 versus 2.1 GHz on the Core 2 Duo T6570 — a 25% clock advantage for the Athlon II X4 638 (base: 2.7 GHz vs 2.1 GHz). The Athlon II X4 638 uses the Llano (2011−2012) architecture (32 nm), while the Core 2 Duo T6570 uses Penryn (2008−2011) (45 nm). In PassMark, the Athlon II X4 638 scores 2,260 against the Core 2 Duo T6570's 2,274 — a 0.6% lead for the Core 2 Duo T6570. L3 cache: 0 kB on the Athlon II X4 638 vs 2 MB on the Core 2 Duo T6570.
| Feature | Athlon II X4 638 | Core 2 Duo T6570 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.7 GHz+29% | 2.1 GHz |
| Base Clock | 2.7 GHz+29% | 2.1 GHz |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 1 MB (per core) | 2 MB+100% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Llano (2011−2012) | Penryn (2008−2011) |
| PassMark | 2,260 | 2,274 |
| Geekbench 6 Single | — | 246 |
Memory & Platform
The Athlon II X4 638 uses the FM1 socket (PCIe 2.0), while the Core 2 Duo T6570 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to DDR3-1866 memory speed. Both feature 2-channel memory with ECC support. Chipset compatibility: AMD FM1 (Athlon II X4 638) and GM45,PM45,GL40 (Core 2 Duo T6570).
| Feature | Athlon II X4 638 | Core 2 Duo T6570 |
|---|---|---|
| Socket | FM1 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1866 | DDR3-1066 |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: not specified (Athlon II X4 638) / VT-x (Core 2 Duo T6570). Primary use case: Core 2 Duo T6570 targets Budget. Direct competitor: Core 2 Duo T6570 rivals Athlon Silver 3050U.
| Feature | Athlon II X4 638 | Core 2 Duo T6570 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
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