
Core i5-2405S vs Core i5-2500S

Core i5-2405S

Core i5-2500S
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 i5-2500S is on rank 854, so the Core i5-2500S 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 i5-2500S
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-2405S | Core i5-2500S |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($120) | ✅ More affordable ($61) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core i5-2405S | Core i5-2500S |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+95%) |
| Upfront Cost | ⚠️ Higher cost ($120) | ✅ More affordable ($61) |
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 i5-2500S

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 i5-2500S
The Core i5-2500S is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 2.7 GHz, with boost up to 3.7 GHz. L3 cache: 6144 kB (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: 3,373 points. Launch price was $75.
Processing Power
Both the Core i5-2405S and Core i5-2500S share an identical 4-core/4-thread configuration. Boost clocks reach 3.3 GHz on the Core i5-2405S versus 3.7 GHz on the Core i5-2500S — a 11.4% clock advantage for the Core i5-2500S (base: 2.5 GHz vs 2.7 GHz). Both are built on the Sandy Bridge (2011−2013) architecture using a 32 nm process. In PassMark, the Core i5-2405S scores 3,397 against the Core i5-2500S's 3,373 — a 0.7% lead for the Core i5-2405S. Geekbench 6 single-core — the metric most relevant to gaming — records 557 vs 600, a 7.4% lead for the Core i5-2500S that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Core i5-2405S vs 6144 kB (total) on the Core i5-2500S.
| Feature | Core i5-2405S | Core i5-2500S |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3.3 GHz | 3.7 GHz+12% |
| Base Clock | 2.5 GHz | 2.7 GHz+8% |
| L3 Cache | 6 MB (total) | 6144 kB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Sandy Bridge (2011−2013) |
| PassMark | 3,397 | 3,373 |
| Geekbench 6 Single | 557 | 600+8% |
| Geekbench 6 Multi | 1,480 | — |
Memory & Platform
Both processors use the LGA1155 socket with PCIe 2.0. Both support up to DDR3-1333 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,B65,Q65,H67,P67,Z68,B75,Z77 (Core i5-2405S) and H61,H67,P67,Z68,B75,Z77 (Core i5-2500S).
| Feature | Core i5-2405S | Core i5-2500S |
|---|---|---|
| Socket | LGA1155 | LGA1155 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | DDR3-1333 |
| Max RAM Capacity | 32 GB | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x / EPT (Core i5-2405S) vs VT-x, VT-d, EPT (Core i5-2500S). Both include integrated graphics — Intel HD Graphics 3000 (Core i5-2405S) and HD Graphics 2000 (Core i5-2500S) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-2405S targets Budget, Core i5-2500S targets Legacy Desktop. Direct competitor: Core i5-2500S rivals Phenom II X4 980.
| Feature | Core i5-2405S | Core i5-2500S |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics 3000 | HD Graphics 2000 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x / EPT | VT-x, VT-d, EPT |
| Target Use | Budget | Legacy Desktop |
Value Analysis
The Core i5-2405S launched at $309 MSRP, while the Core i5-2500S debuted at $192. At current prices ($120 vs $61), the Core i5-2500S is $59 cheaper. In terms of value (PassMark points per dollar), the Core i5-2405S delivers 28.3 pts/$ vs 55.3 pts/$ for the Core i5-2500S — making the Core i5-2500S the 64.6% better value option.
| Feature | Core i5-2405S | Core i5-2500S |
|---|---|---|
| MSRP | $309 | $192-38% |
| Avg Price (30d) | $120 | $61-49% |
| Performance per Dollar | 28.3 | 55.3+95% |
| Release Date | 2011 | 2011 |
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