
Core i5-9300HF vs Core i7-8557U

Core i5-9300HF

Core i7-8557U
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 i5-9300HF is positioned at rank 465 and the Core i7-8557U is on rank 802, so the Core i5-9300HF offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-9300HF
Performance Per Dollar Core i7-8557U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-9300HF | Core i7-8557U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Coffee Lake-H (2018−2019) / 14 nm) | ✨ Modern (Coffee Lake-U (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-9300HF | Core i7-8557U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| 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 i5-9300HF and Core i7-8557U

Core i5-9300HF
The Core i5-9300HF is manufactured by Intel. It was released in 30 April 2019 (6 years ago). It is based on the Coffee Lake-H (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 7,255 points. Launch price was $250.

Core i7-8557U
The Core i7-8557U is manufactured by Intel. It was released in 16 July 2019 (6 years ago). It is based on the Coffee Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 1.7 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 7,309 points. Launch price was $149.
Processing Power
Both the Core i5-9300HF and Core i7-8557U share an identical 4-core/8-thread configuration. Boost clocks reach 4.1 GHz on the Core i5-9300HF versus 4.5 GHz on the Core i7-8557U — a 9.3% clock advantage for the Core i7-8557U (base: 2.4 GHz vs 1.7 GHz). The Core i5-9300HF uses the Coffee Lake-H (2018−2019) architecture (14 nm), while the Core i7-8557U uses Coffee Lake-U (2018−2019) (14 nm). In PassMark, the Core i5-9300HF scores 7,255 against the Core i7-8557U's 7,309 — a 0.7% lead for the Core i7-8557U. Both processors carry 8 MB of L3 cache.
| Feature | Core i5-9300HF | Core i7-8557U |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4.1 GHz | 4.5 GHz+10% |
| Base Clock | 2.4 GHz+41% | 1.7 GHz |
| L3 Cache | 8 MB | 8 MB |
| L2 Cache | 1 MB | 1 MB |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-H (2018−2019) | Coffee Lake-U (2018−2019) |
| PassMark | 7,255 | 7,309 |
| Geekbench 6 Single | 1,288 | — |
Memory & Platform
The Core i5-9300HF uses the BGA1440 socket (PCIe 3.0), while the Core i7-8557U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-9300HF | Core i7-8557U |
|---|---|---|
| Socket | BGA1440 | FCBGA1528 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i5-9300HF) / not specified (Core i7-8557U). Primary use case: Core i5-9300HF targets Gaming Laptop. Direct competitor: Core i5-9300HF rivals Ryzen 5 3550H.
| Feature | Core i5-9300HF | Core i7-8557U |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Gaming Laptop | — |
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