
Core 2 Duo T7400 vs Celeron G3900TE

Core 2 Duo T7400

Celeron G3900TE
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 T7400 is positioned at rank 1027 and the Celeron G3900TE is on rank 467, so the Celeron G3900TE 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 T7400
Performance Per Dollar Celeron G3900TE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T7400 | Celeron G3900TE |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($45) |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T7400 | Celeron G3900TE |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($45) |
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 T7400 and Celeron G3900TE

Core 2 Duo T7400
The Core 2 Duo T7400 is manufactured by Intel. It was released in 28 August 2006 (19 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2.16 GHz, with boost up to 2.16 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 34 Watt. Passmark benchmark score: 1,861 points. Launch price was $286.

Celeron G3900TE
The Celeron G3900TE is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Max frequency: 2.3 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR3L-1600. Passmark benchmark score: 1,850 points. Launch price was $42.
Processing Power
Both the Core 2 Duo T7400 and Celeron G3900TE share an identical 2-core/2-thread configuration. Boost clocks reach 2.16 GHz on the Core 2 Duo T7400 versus 2.3 GHz on the Celeron G3900TE — a 6.3% clock advantage for the Celeron G3900TE. The Core 2 Duo T7400 uses the Merom (2006−2008) architecture (65 nm), while the Celeron G3900TE uses Skylake (2015−2016) (14 nm). In PassMark, the Core 2 Duo T7400 scores 1,861 against the Celeron G3900TE's 1,850 — a 0.6% lead for the Core 2 Duo T7400. Geekbench 6 single-core — the metric most relevant to gaming — records 310 vs 514, a 49.5% lead for the Celeron G3900TE that directly translates to higher frame rates. Multi-core Geekbench: 550 vs 903 (48.6% advantage for the Celeron G3900TE). L3 cache: 0 kB on the Core 2 Duo T7400 vs 2 MB on the Celeron G3900TE.
| Feature | Core 2 Duo T7400 | Celeron G3900TE |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.16 GHz | 2.3 GHz+6% |
| Base Clock | 2.16 GHz | — |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 4 MB+700% | 512 kB |
| Process | 65 nm | 14 nm-78% |
| Architecture | Merom (2006−2008) | Skylake (2015−2016) |
| PassMark | 1,861 | 1,850 |
| Geekbench 6 Single | 310 | 514+66% |
| Geekbench 6 Multi | 550 | 903+64% |
Memory & Platform
The Core 2 Duo T7400 uses the PGA478 socket (PCIe 1.1), while the Celeron G3900TE uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Duo T7400 versus DDR4-2133 on the Celeron G3900TE — the Celeron G3900TE supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G3900TE supports up to 64 GB of RAM compared to 4 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: 945GT,GME965 (Core 2 Duo T7400) and H110,Q170 (Celeron G3900TE).
| Feature | Core 2 Duo T7400 | Celeron G3900TE |
|---|---|---|
| Socket | PGA478 | LGA1151 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR2-667 | DDR4-2133+100% |
| Max RAM Capacity | 4 GB | 64 GB+1500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Core 2 Duo T7400) vs VT-x, VT-d (Celeron G3900TE). The Celeron G3900TE includes integrated graphics (Intel HD Graphics 510), while the Core 2 Duo T7400 requires a dedicated GPU. Primary use case: Core 2 Duo T7400 targets Legacy Laptop, Celeron G3900TE targets Embedded. Direct competitor: Celeron G3900TE rivals Pentium G4400T.
| Feature | Core 2 Duo T7400 | Celeron G3900TE |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel HD Graphics 510 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Legacy Laptop | Embedded |
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