Core i7-2840QM vs Core i7-2675QM
Core i7-2840QM
Core i7-2675QM
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 i7-2840QM is positioned at rank 311 and the Core i7-2675QM is on rank 1070, so the Core i7-2840QM offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-2840QM
Performance Per Dollar Core i7-2675QM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-2840QM | Core i7-2675QM |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($378) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-2840QM | Core i7-2675QM |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($378) |
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 i7-2840QM and Core i7-2675QM
Core i7-2840QM
The Core i7-2840QM is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Max frequency: 2.4 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 32 nm process technology. Socket: G2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 3,842 points. Launch price was $69.
Core i7-2675QM
The Core i7-2675QM is manufactured by Intel. It was released in 12 October 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 3.1 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: FCBGA1224. Thermal design power (TDP): 45 Watt. Memory support: DDR3-1066, DDR3-1333. Passmark benchmark score: 3,913 points. Launch price was $378.
Processing Power
Both the Core i7-2840QM and Core i7-2675QM share an identical 4-core/8-thread configuration. Boost clocks reach 2.4 GHz on the Core i7-2840QM versus 3.1 GHz on the Core i7-2675QM — a 25.5% clock advantage for the Core i7-2675QM. Both are built on the Sandy Bridge (2011−2013) architecture using a 32 nm process. In PassMark, the Core i7-2840QM scores 3,842 against the Core i7-2675QM's 3,913 — a 1.8% lead for the Core i7-2675QM. L3 cache: 8 MB on the Core i7-2840QM vs 6 MB (total) on the Core i7-2675QM.
| Feature | Core i7-2840QM | Core i7-2675QM |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 2.4 GHz | 3.1 GHz+29% |
| Base Clock | — | 2.2 GHz |
| L3 Cache | 8 MB+33% | 6 MB (total) |
| L2 Cache | 1 MB+300% | 256K (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Sandy Bridge (2011−2013) |
| PassMark | 3,842 | 3,913+2% |
Memory & Platform
The Core i7-2840QM uses the G2 socket (PCIe 2.0), while the Core i7-2675QM uses FCBGA1224 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i7-2840QM | Core i7-2675QM |
|---|---|---|
| Socket | G2 | FCBGA1224 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Core i7-2840QM) / VT-x (Core i7-2675QM). The Core i7-2675QM includes integrated graphics (HD Graphics 3000), while the Core i7-2840QM requires a dedicated GPU. Primary use case: Core i7-2675QM targets Mobile.
| Feature | Core i7-2840QM | Core i7-2675QM |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics 3000 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Mobile |
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