
Core 2 Duo T7400 vs Atom x7-E3950

Core 2 Duo T7400

Atom x7-E3950
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 Atom x7-E3950 is on rank 480, so the Atom x7-E3950 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 Atom x7-E3950
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T7400 | Atom x7-E3950 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | 🛑 Legacy (Apollo Lake (2014−2016) / 14 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T7400 | Atom x7-E3950 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Atom x7-E3950

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.

Atom x7-E3950
The Atom x7-E3950 is manufactured by Intel. It was released in 30 August 2014 (11 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 12 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,864 points. Launch price was $57.
Processing Power
The Core 2 Duo T7400 packs 2 cores / 2 threads, while the Atom x7-E3950 offers 4 cores / 4 threads — the Atom x7-E3950 has 2 more cores. Boost clocks reach 2.16 GHz on the Core 2 Duo T7400 versus 2 GHz on the Atom x7-E3950 — a 7.7% clock advantage for the Core 2 Duo T7400 (base: 2.16 GHz vs 1.6 GHz). The Core 2 Duo T7400 uses the Merom (2006−2008) architecture (65 nm), while the Atom x7-E3950 uses Apollo Lake (2014−2016) (14 nm). In PassMark, the Core 2 Duo T7400 scores 1,861 against the Atom x7-E3950's 1,864 — a 0.2% lead for the Atom x7-E3950. Geekbench 6 single-core — the metric most relevant to gaming — records 310 vs 245, a 23.4% lead for the Core 2 Duo T7400 that directly translates to higher frame rates. Both processors carry 0 kB of L3 cache.
| Feature | Core 2 Duo T7400 | Atom x7-E3950 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.16 GHz+8% | 2 GHz |
| Base Clock | 2.16 GHz+35% | 1.6 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 4 MB+100% | 2 MB (total) |
| Process | 65 nm | 14 nm-78% |
| Architecture | Merom (2006−2008) | Apollo Lake (2014−2016) |
| PassMark | 1,861 | 1,864 |
| Geekbench 6 Single | 310+27% | 245 |
| Geekbench 6 Multi | 550 | — |
Memory & Platform
The Core 2 Duo T7400 uses the PGA478 socket (PCIe 1.1), while the Atom x7-E3950 uses FCBGA1296 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Duo T7400 versus LPDDR4-2400 on the Atom x7-E3950 — the Atom x7-E3950 supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom x7-E3950 supports up to 8 GB of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Memory channels: 2 (Core 2 Duo T7400) vs 4 (Atom x7-E3950). PCIe lanes: 16 (Core 2 Duo T7400) vs 6 (Atom x7-E3950) — the Core 2 Duo T7400 offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 945GT,GME965 (Core 2 Duo T7400) and Apollo Lake (Atom x7-E3950).
| Feature | Core 2 Duo T7400 | Atom x7-E3950 |
|---|---|---|
| Socket | PGA478 | FCBGA1296 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR2-667 | LPDDR4-2400+100% |
| Max RAM Capacity | 4 GB | 8 GB+100% |
| RAM Channels | 2 | 4+100% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16+167% | 6 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Core 2 Duo T7400) vs VT-x, VT-d (Atom x7-E3950). The Atom x7-E3950 includes integrated graphics (HD Graphics 505), while the Core 2 Duo T7400 requires a dedicated GPU. Primary use case: Core 2 Duo T7400 targets Legacy Laptop.
| Feature | Core 2 Duo T7400 | Atom x7-E3950 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | HD Graphics 505 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Legacy Laptop | — |
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