
Core 2 Duo T6600 vs A8-3870K

Core 2 Duo T6600

A8-3870K
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 Core 2 Duo T6600 is positioned at rank 13 and the A8-3870K is on rank 502, so the Core 2 Duo T6600 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core 2 Duo T6600
Performance Per Dollar A8-3870K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T6600 | A8-3870K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($4) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T6600 | A8-3870K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($4) | ✅ 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 Core 2 Duo T6600 and A8-3870K

Core 2 Duo T6600
The Core 2 Duo T6600 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 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,355 points. Launch price was $249.

A8-3870K
The A8-3870K is manufactured by AMD. It was released in 2014-01-01. 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: 2,360 points. Launch price was $90.
Processing Power
The Core 2 Duo T6600 packs 2 cores / 2 threads, while the A8-3870K offers 4 cores / 4 threads — the A8-3870K has 2 more cores. Boost clocks reach 2.2 GHz on the Core 2 Duo T6600 versus 3 GHz on the A8-3870K — a 30.8% clock advantage for the A8-3870K (base: 2.2 GHz vs 3 GHz). The Core 2 Duo T6600 uses the Penryn (2008−2011) architecture (45 nm), while the A8-3870K uses Llano (2011−2012) (32 nm). In PassMark, the Core 2 Duo T6600 scores 2,355 against the A8-3870K's 2,360 — a 0.2% lead for the A8-3870K. Geekbench 6 single-core — the metric most relevant to gaming — records 200 vs 380, a 62.1% lead for the A8-3870K that directly translates to higher frame rates. L3 cache: 2 MB L2 Cache on the Core 2 Duo T6600 vs 0 kB on the A8-3870K.
| Feature | Core 2 Duo T6600 | A8-3870K |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.2 GHz | 3 GHz+36% |
| Base Clock | 2.2 GHz | 3 GHz+36% |
| L3 Cache | 2 MB L2 Cache | 0 kB |
| L2 Cache | 2 MB+100% | 1 MB (per core) |
| Process | 45 nm | 32 nm-29% |
| Architecture | Penryn (2008−2011) | Llano (2011−2012) |
| PassMark | 2,355 | 2,360 |
| Geekbench 6 Single | 200 | 380+90% |
| Geekbench 6 Multi | 350 | — |
Memory & Platform
The Core 2 Duo T6600 uses the PGA478 socket (PCIe 1.1), while the A8-3870K uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-800 memory speed. The A8-3870K supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo T6600) vs 20 (A8-3870K) — the A8-3870K offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GM45,PM45 (Core 2 Duo T6600) and A55,A75 (A8-3870K).
| Feature | Core 2 Duo T6600 | A8-3870K |
|---|---|---|
| Socket | PGA478 | FM1 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR3-800 | DDR3-1866 |
| Max RAM Capacity | 8 GB | 32 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 20 |
Advanced Features
Only the A8-3870K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Core 2 Duo T6600) vs AMD-V (A8-3870K). The A8-3870K includes integrated graphics (Radeon HD 6550D), while the Core 2 Duo T6600 requires a dedicated GPU. Primary use case: Core 2 Duo T6600 targets Legacy Laptop, A8-3870K targets Budget Gaming Desktop. Direct competitor: A8-3870K rivals Core i3-2125.
| Feature | Core 2 Duo T6600 | A8-3870K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon HD 6550D |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Legacy Laptop | Budget Gaming Desktop |
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