Core i7-2677M vs Core 2 Duo T7400
Core i7-2677M
Core 2 Duo T7400
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 i7-2677M is positioned at rank 227 and the Core 2 Duo T7400 is on rank 1027, 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 i7-2677M
Performance Per Dollar Core 2 Duo T7400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-2677M | Core 2 Duo T7400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Merom (2006−2008) / 65 nm) |
💎 Value Proposition
| Insight | Core i7-2677M | Core 2 Duo T7400 |
|---|---|---|
| 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 i7-2677M and Core 2 Duo T7400
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.
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.
Processing Power
The Core i7-2677M packs 2 cores / 4 threads, matching the Core 2 Duo T7400's 2 cores. Boost clocks reach 2.9 GHz on the Core i7-2677M versus 2.16 GHz on the Core 2 Duo T7400 — a 29.2% clock advantage for the Core i7-2677M (base: 1.8 GHz vs 2.16 GHz). The Core i7-2677M uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core 2 Duo T7400 uses Merom (2006−2008) (65 nm). In PassMark, the Core i7-2677M scores 1,875 against the Core 2 Duo T7400's 1,861 — a 0.7% lead for the Core i7-2677M. Geekbench 6 single-core — the metric most relevant to gaming — records 562 vs 310, a 57.8% lead for the Core i7-2677M that directly translates to higher frame rates. L3 cache: 4 MB on the Core i7-2677M vs 0 kB on the Core 2 Duo T7400.
| Feature | Core i7-2677M | Core 2 Duo T7400 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2.9 GHz+34% | 2.16 GHz |
| Base Clock | 1.8 GHz | 2.16 GHz+20% |
| L3 Cache | 4 MB | 0 kB |
| L2 Cache | 512 kB | 4 MB+700% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | Merom (2006−2008) |
| PassMark | 1,875 | 1,861 |
| Geekbench 6 Single | 562+81% | 310 |
| Geekbench 6 Multi | — | 550 |
Memory & Platform
The Core i7-2677M uses the BGA1023 socket (PCIe 2.0), while the Core 2 Duo T7400 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i7-2677M versus DDR2-667 on the Core 2 Duo T7400 — 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: HM65,HM67,QM67,QS67,UM67 (Core i7-2677M) and 945GT,GME965 (Core 2 Duo T7400).
| Feature | Core i7-2677M | Core 2 Duo T7400 |
|---|---|---|
| Socket | BGA1023 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+50% | DDR2-667 |
| Max RAM Capacity | 8 GB+100% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i7-2677M) vs VT-x (Core 2 Duo T7400). The Core i7-2677M includes integrated graphics (HD Graphics 3000), while the Core 2 Duo T7400 requires a dedicated GPU. Primary use case: Core i7-2677M targets Ultrabook, Core 2 Duo T7400 targets Legacy Laptop. Direct competitor: Core i7-2677M rivals A6-3420M.
| Feature | Core i7-2677M | Core 2 Duo T7400 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 3000 | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | VT-x |
| Target Use | Ultrabook | Legacy Laptop |
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