
Core i5-2405S vs Core i5-4340M

Core i5-2405S

Core i5-4340M
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 i5-2405S is positioned at rank 981 and the Core i5-4340M is on rank 374, so the Core i5-4340M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-2405S
Performance Per Dollar Core i5-4340M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-2405S | Core i5-4340M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($120) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core i5-2405S | Core i5-4340M |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($120) | ✅ More affordable ($0) |
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 i5-2405S and Core i5-4340M

Core i5-2405S
The Core i5-2405S is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 3.3 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 3,397 points. Launch price was $472.

Core i5-4340M
The Core i5-4340M is manufactured by Intel. It was released in 19 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.6 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: PGA946. Thermal design power (TDP): 37 Watt. Memory support: DDR3. Passmark benchmark score: 3,380 points. Launch price was $266.
Processing Power
The Core i5-2405S packs 4 cores / 4 threads, while the Core i5-4340M offers 2 cores / 4 threads — the Core i5-2405S has 2 more cores. Boost clocks reach 3.3 GHz on the Core i5-2405S versus 3.6 GHz on the Core i5-4340M — a 8.7% clock advantage for the Core i5-4340M (base: 2.5 GHz vs 2.9 GHz). The Core i5-2405S uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i5-4340M uses Haswell (2013−2015) (22 nm). In PassMark, the Core i5-2405S scores 3,397 against the Core i5-4340M's 3,380 — a 0.5% lead for the Core i5-2405S. L3 cache: 6 MB (total) on the Core i5-2405S vs 3 MB on the Core i5-4340M.
| Feature | Core i5-2405S | Core i5-4340M |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 4 |
| Boost Clock | 3.3 GHz | 3.6 GHz+9% |
| Base Clock | 2.5 GHz | 2.9 GHz+16% |
| L3 Cache | 6 MB (total)+100% | 3 MB |
| L2 Cache | 256 kB (per core) | 512 kB+100% |
| Process | 32 nm | 22 nm-31% |
| Architecture | Sandy Bridge (2011−2013) | Haswell (2013−2015) |
| PassMark | 3,397 | 3,380 |
| Geekbench 6 Single | 557 | — |
| Geekbench 6 Multi | 1,480 | — |
Memory & Platform
The Core i5-2405S uses the LGA1155 socket (PCIe 2.0), while the Core i5-4340M uses PGA946 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-2405S | Core i5-4340M |
|---|---|---|
| Socket | LGA1155 | PGA946 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x / EPT (Core i5-2405S) / not specified (Core i5-4340M). The Core i5-2405S includes integrated graphics (Intel HD Graphics 3000), while the Core i5-4340M requires a dedicated GPU. Primary use case: Core i5-2405S targets Budget.
| Feature | Core i5-2405S | Core i5-4340M |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics 3000 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x / EPT | — |
| Target Use | Budget | — |
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