
Core i7-2620M

Core i7-2640M
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 i7-2620M is positioned at rank 1162 and the Core i7-2640M is on rank 1159, so the Core i7-2640M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-2620M
Performance Per Dollar Core i7-2640M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-2620M | Core i7-2640M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-2620M | Core i7-2640M |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1%) |
| 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 i7-2620M and Core i7-2640M

Core i7-2620M
The Core i7-2620M is manufactured by Intel. It was released in 20 February 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.7 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,424 points. Launch price was $346.

Core i7-2640M
The Core i7-2640M 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 2 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,445 points. Launch price was $346.
Processing Power
Both the Core i7-2620M and Core i7-2640M share an identical 2-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Core i7-2620M versus 3.5 GHz on the Core i7-2640M — a 2.9% clock advantage for the Core i7-2640M (base: 2.7 GHz vs 2.8 GHz). Both are built on the Sandy Bridge (2011−2013) architecture using a 32 nm process. In PassMark, the Core i7-2620M scores 2,424 against the Core i7-2640M's 2,445 — a 0.9% lead for the Core i7-2640M. Geekbench 6 single-core — the metric most relevant to gaming — records 509 vs 563, a 10.1% lead for the Core i7-2640M that directly translates to higher frame rates. Multi-core Geekbench: 1,222 vs 1,184 (3.2% advantage for the Core i7-2620M). Both processors carry 4 MB of L3 cache.
| Feature | Core i7-2620M | Core i7-2640M |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 3.4 GHz | 3.5 GHz+3% |
| Base Clock | 2.7 GHz | 2.8 GHz+4% |
| L3 Cache | 4 MB | 4 MB |
| L2 Cache | 512 kB | 512 kB |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Sandy Bridge (2011−2013) |
| PassMark | 2,424 | 2,445 |
| Geekbench 6 Single | 509 | 563+11% |
| Geekbench 6 Multi | 1,222+3% | 1,184 |
Memory & Platform
Both processors use the PGA988 socket with PCIe 2.0. Maximum memory speed reaches DDR3-1333 on the Core i7-2620M versus 1333 on the Core i7-2640M — the Core i7-2640M supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM65,QM67,HM67,QS67 (Core i7-2620M) and HM65,HM67,QM67,QS67 (Core i7-2640M).
| Feature | Core i7-2620M | Core i7-2640M |
|---|---|---|
| Socket | PGA988 | PGA988 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | 1333+44333% |
| Max RAM Capacity | 16 GB+104857500% | 16 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i7-2620M) vs true (Core i7-2640M). Both include integrated graphics — HD 3000 (Core i7-2620M) and Intel HD Graphics 3000 (Core i7-2640M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-2620M targets Budget. Direct competitor: Core i7-2620M rivals Core i5-2410M; Core i7-2640M rivals Phenom II Black Edition N660.
| Feature | Core i7-2620M | Core i7-2640M |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD 3000 | Intel HD Graphics 3000 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | true |
| Target Use | Budget | — |
Value Analysis
The Core i7-2620M launched at $346 MSRP, while the Core i7-2640M debuted at $346.
| Feature | Core i7-2620M | Core i7-2640M |
|---|---|---|
| MSRP | $346 | $346 |
| Release Date | 2011 | 2011 |
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