Core 2 Duo T7400 vs Core i7-2677M
Core 2 Duo T7400
Core i7-2677M
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 Core i7-2677M is on rank 227, so the Core i7-2677M 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 Core i7-2677M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T7400 | Core i7-2677M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior 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 (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T7400 | Core i7-2677M |
|---|---|---|
| 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 Core i7-2677M
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.
Core i7-2677M
The Core i7-2677M is manufactured by Intel. It was released in 27 June 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 2.9 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3-1066, DDR3-1333. Passmark benchmark score: 1,875 points. Launch price was $317.
Processing Power
The Core 2 Duo T7400 packs 2 cores / 2 threads, matching the Core i7-2677M's 2 cores. Boost clocks reach 2.16 GHz on the Core 2 Duo T7400 versus 2.9 GHz on the Core i7-2677M — a 29.2% clock advantage for the Core i7-2677M (base: 2.16 GHz vs 1.8 GHz). The Core 2 Duo T7400 uses the Merom (2006−2008) architecture (65 nm), while the Core i7-2677M uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Duo T7400 scores 1,861 against the Core i7-2677M's 1,875 — a 0.7% lead for the Core i7-2677M. Geekbench 6 single-core — the metric most relevant to gaming — records 310 vs 562, a 57.8% lead for the Core i7-2677M that directly translates to higher frame rates. L3 cache: 0 kB on the Core 2 Duo T7400 vs 4 MB on the Core i7-2677M.
| Feature | Core 2 Duo T7400 | Core i7-2677M |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 2.16 GHz | 2.9 GHz+34% |
| Base Clock | 2.16 GHz+20% | 1.8 GHz |
| L3 Cache | 0 kB | 4 MB |
| L2 Cache | 4 MB+700% | 512 kB |
| Process | 65 nm | 32 nm-51% |
| Architecture | Merom (2006−2008) | Sandy Bridge (2011−2013) |
| PassMark | 1,861 | 1,875 |
| Geekbench 6 Single | 310 | 562+81% |
| Geekbench 6 Multi | 550 | — |
Memory & Platform
The Core 2 Duo T7400 uses the PGA478 socket (PCIe 1.1), while the Core i7-2677M uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Duo T7400 versus DDR3-1333 on the Core i7-2677M — the Core i7-2677M supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-2677M supports up to 8 GB of RAM compared to 4 GB — 66.7% 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 HM65,HM67,QM67,QS67,UM67 (Core i7-2677M).
| Feature | Core 2 Duo T7400 | Core i7-2677M |
|---|---|---|
| Socket | PGA478 | BGA1023 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-667 | DDR3-1333+50% |
| Max RAM Capacity | 4 GB | 8 GB+100% |
| 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, EPT (Core i7-2677M). The Core i7-2677M includes integrated graphics (HD Graphics 3000), while the Core 2 Duo T7400 requires a dedicated GPU. Primary use case: Core 2 Duo T7400 targets Legacy Laptop, Core i7-2677M targets Ultrabook. Direct competitor: Core i7-2677M rivals A6-3420M.
| Feature | Core 2 Duo T7400 | Core i7-2677M |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | HD Graphics 3000 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d, EPT |
| Target Use | Legacy Laptop | Ultrabook |
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