Core i3-4158U vs Celeron M 575
Core i3-4158U
Celeron M 575
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 i3-4158U is positioned at rank 576 and the Celeron M 575 is on rank 827, so the Core i3-4158U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-4158U
Performance Per Dollar Celeron M 575
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-4158U | Celeron M 575 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($12) |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Merom (2006−2008) / 65 nm) |
💎 Value Proposition
| Insight | Core i3-4158U | Celeron M 575 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($12) |
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 i3-4158U and Celeron M 575
Core i3-4158U
The Core i3-4158U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 1,921 points. Launch price was $315.
Celeron M 575
The Celeron M 575 is manufactured by Intel. It was released in 1 June 2008 (17 years ago). It is based on the Merom (2006−2008) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,917 points. Launch price was $86.
Processing Power
The Core i3-4158U packs 2 cores / 4 threads, while the Celeron M 575 offers 1 cores / 1 threads — the Core i3-4158U has 1 more core. Boost clocks reach 2 GHz on the Core i3-4158U versus 2 GHz on the Celeron M 575 — identical boost frequencies. The Core i3-4158U uses the Haswell (2013−2015) architecture (22 nm), while the Celeron M 575 uses Merom (2006−2008) (65 nm). In PassMark, the Core i3-4158U scores 1,921 against the Celeron M 575's 1,917 — a 0.2% lead for the Core i3-4158U.
| Feature | Core i3-4158U | Celeron M 575 |
|---|---|---|
| Cores / Threads | 2 / 4+100% | 1 / 1 |
| Boost Clock | 2 GHz | 2 GHz |
| Base Clock | 2 GHz | — |
| L3 Cache | 3 MB (total) | — |
| L2 Cache | 256K (per core) | 1 MB+300% |
| Process | 22 nm-66% | 65 nm |
| Architecture | Haswell (2013−2015) | Merom (2006−2008) |
| PassMark | 1,921 | 1,917 |
| Geekbench 6 Single | 457 | — |
Memory & Platform
The Core i3-4158U uses the FCBGA1168 socket (PCIe 3.0), while the Celeron M 575 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1600 on the Core i3-4158U versus 800 on the Celeron M 575 — the Celeron M 575 supports 198.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-4158U supports up to 16 GB of RAM compared to 4 — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Core i3-4158U) vs 0 (Celeron M 575) — the Core i3-4158U offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM86,HM87 (Core i3-4158U) and GL40,GM45 (Celeron M 575).
| Feature | Core i3-4158U | Celeron M 575 |
|---|---|---|
| Socket | FCBGA1168 | PGA478 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR3L-1600 | 800+26567% |
| Max RAM Capacity | 16 GB+419430300% | 4 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 12 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x / VT-d / EPT (Core i3-4158U) vs false (Celeron M 575). The Core i3-4158U includes integrated graphics (Intel Iris Graphics 5100), while the Celeron M 575 requires a dedicated GPU. Primary use case: Core i3-4158U targets Multimedia. Direct competitor: Celeron M 575 rivals Mobile Sempron SI-40.
| Feature | Core i3-4158U | Celeron M 575 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel Iris Graphics 5100 | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x / VT-d / EPT | false |
| Target Use | Multimedia | — |
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