
Core 2 Duo T6600 vs Celeron G3920

Core 2 Duo T6600

Celeron G3920
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 Celeron G3920 is on rank 364, 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 Celeron G3920
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T6600 | Celeron G3920 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($4) | ⚠️ Higher cost ($30) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T6600 | Celeron G3920 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+649%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($4) | ⚠️ Higher cost ($30) |
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 Celeron G3920

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.

Celeron G3920
The Celeron G3920 is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 2.9 GHz, with boost up to 2.9 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 51 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,358 points. Launch price was $52.
Processing Power
Both the Core 2 Duo T6600 and Celeron G3920 share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Core 2 Duo T6600 versus 2.9 GHz on the Celeron G3920 — a 27.5% clock advantage for the Celeron G3920 (base: 2.2 GHz vs 2.9 GHz). The Core 2 Duo T6600 uses the Penryn (2008−2011) architecture (45 nm), while the Celeron G3920 uses Skylake (2015−2016) (14 nm). In PassMark, the Core 2 Duo T6600 scores 2,355 against the Celeron G3920's 2,358 — a 0.1% lead for the Celeron G3920. Geekbench 6 single-core — the metric most relevant to gaming — records 200 vs 699, a 111% lead for the Celeron G3920 that directly translates to higher frame rates. Multi-core Geekbench: 350 vs 948 (92.1% advantage for the Celeron G3920). L3 cache: 2 MB L2 Cache on the Core 2 Duo T6600 vs 4 MB (total) on the Celeron G3920.
| Feature | Core 2 Duo T6600 | Celeron G3920 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.2 GHz | 2.9 GHz+32% |
| Base Clock | 2.2 GHz | 2.9 GHz+32% |
| L3 Cache | 2 MB L2 Cache | 4 MB (total)+100% |
| L2 Cache | 2 MB+700% | 256K (per core) |
| Process | 45 nm | 14 nm-69% |
| Architecture | Penryn (2008−2011) | Skylake (2015−2016) |
| PassMark | 2,355 | 2,358 |
| Geekbench 6 Single | 200 | 699+250% |
| Geekbench 6 Multi | 350 | 948+171% |
Memory & Platform
The Core 2 Duo T6600 uses the PGA478 socket (PCIe 1.1), while the Celeron G3920 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-800 on the Core 2 Duo T6600 versus DDR4-2133 on the Celeron G3920 — the Celeron G3920 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G3920 supports up to 64 GB of RAM compared to 8 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo T6600) vs 16 (Celeron G3920) — the Celeron G3920 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GM45,PM45 (Core 2 Duo T6600) and H110,B150,H170,Z170 (Celeron G3920).
| Feature | Core 2 Duo T6600 | Celeron G3920 |
|---|---|---|
| Socket | PGA478 | LGA1151 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR3-800 | DDR4-2133+33% |
| Max RAM Capacity | 8 GB | 64 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x virtualization. The Celeron G3920 includes integrated graphics (HD Graphics 510), while the Core 2 Duo T6600 requires a dedicated GPU. Primary use case: Core 2 Duo T6600 targets Legacy Laptop, Celeron G3920 targets Budget. Direct competitor: Celeron G3920 rivals Pentium G4400.
| Feature | Core 2 Duo T6600 | Celeron G3920 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | HD Graphics 510 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | Legacy Laptop | Budget |
Value Analysis
At current prices ($4 vs $30), the Core 2 Duo T6600 is $26 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo T6600 delivers 588.8 pts/$ vs 78.6 pts/$ for the Celeron G3920 — making the Core 2 Duo T6600 the 152.9% better value option.
| Feature | Core 2 Duo T6600 | Celeron G3920 |
|---|---|---|
| MSRP | — | $40 |
| Avg Price (30d) | $4-87% | $30 |
| Performance per Dollar | 588.8+649% | 78.6 |
| Release Date | 2009 | 2015 |
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