
Core 2 Duo T6600 vs Celeron G3950

Core 2 Duo T6600

Celeron G3950
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 G3950 is on rank 457, 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 G3950
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T6600 | Celeron G3950 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($4) | ⚠️ Higher cost ($30) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T6600 | Celeron G3950 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+656%) | ❌ 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 G3950

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 G3950
The Celeron G3950 is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 51 Watt. Memory support: DDR4 2133, DDR3L 1333/1600. Passmark benchmark score: 2,336 points. Launch price was $52.
Processing Power
Both the Core 2 Duo T6600 and Celeron G3950 share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Core 2 Duo T6600 versus 3 GHz on the Celeron G3950 — a 30.8% clock advantage for the Celeron G3950 (base: 2.2 GHz vs 3 GHz). The Core 2 Duo T6600 uses the Penryn (2008−2011) architecture (45 nm), while the Celeron G3950 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Core 2 Duo T6600 scores 2,355 against the Celeron G3950's 2,336 — a 0.8% lead for the Core 2 Duo T6600. Geekbench 6 single-core — the metric most relevant to gaming — records 200 vs 750, a 115.8% lead for the Celeron G3950 that directly translates to higher frame rates. Multi-core Geekbench: 350 vs 1,100 (103.4% advantage for the Celeron G3950). L3 cache: 2 MB L2 Cache on the Core 2 Duo T6600 vs 2 MB (total) on the Celeron G3950.
| Feature | Core 2 Duo T6600 | Celeron G3950 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.2 GHz | 3 GHz+36% |
| Base Clock | 2.2 GHz | 3 GHz+36% |
| L3 Cache | 2 MB L2 Cache | 2 MB (total) |
| L2 Cache | 2 MB+700% | 256K (per core) |
| Process | 45 nm | 14 nm-69% |
| Architecture | Penryn (2008−2011) | Kaby Lake (2016−2019) |
| PassMark | 2,355 | 2,336 |
| Geekbench 6 Single | 200 | 750+275% |
| Geekbench 6 Multi | 350 | 1,100+214% |
Memory & Platform
The Core 2 Duo T6600 uses the PGA478 socket (PCIe 1.1), while the Celeron G3950 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 DDR4-2400 on the Celeron G3950 — the Celeron G3950 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G3950 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 G3950) — the Celeron G3950 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GM45,PM45 (Core 2 Duo T6600) and H110,B250,H270,Z270 (Celeron G3950).
| Feature | Core 2 Duo T6600 | Celeron G3950 |
|---|---|---|
| Socket | PGA478 | LGA1151 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR3-800 | DDR4-2400+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 G3950 includes integrated graphics (HD Graphics 610), while the Core 2 Duo T6600 requires a dedicated GPU. Primary use case: Core 2 Duo T6600 targets Legacy Laptop, Celeron G3950 targets Budget. Direct competitor: Celeron G3950 rivals Pentium G4560.
| Feature | Core 2 Duo T6600 | Celeron G3950 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | HD Graphics 610 |
| 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 77.9 pts/$ for the Celeron G3950 — making the Core 2 Duo T6600 the 153.3% better value option.
| Feature | Core 2 Duo T6600 | Celeron G3950 |
|---|---|---|
| MSRP | — | $52 |
| Avg Price (30d) | $4-87% | $30 |
| Performance per Dollar | 588.8+656% | 77.9 |
| Release Date | 2009 | 2017 |
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