Core i5-9300H vs Core i5-8279U
Core i5-9300H
Core i5-8279U
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 i5-9300H is positioned at rank 233 and the Core i5-8279U is on rank 596, so the Core i5-9300H offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-9300H
Performance Per Dollar Core i5-8279U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-9300H | Core i5-8279U |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced 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 i5-9300H | Core i5-8279U |
|---|---|---|
| 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 i5-9300H and Core i5-8279U
Core i5-9300H
The Core i5-9300H is manufactured by Intel. It was released in 23 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: 7,438 points. Launch price was $250.
Core i5-8279U
The Core i5-8279U is manufactured by Intel. It was released in 3 April 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 2.4 GHz, with boost up to 4.1 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 28 Watt. Memory support: DDR4. Passmark benchmark score: 7,464 points. Launch price was $320.
Processing Power
Both the Core i5-9300H and Core i5-8279U share an identical 4-core/8-thread configuration. Boost clocks reach 4.1 GHz on the Core i5-9300H versus 4.1 GHz on the Core i5-8279U — identical boost frequencies (base: 2.4 GHz vs 2.4 GHz). The Core i5-9300H uses the Coffee Lake-H (2018−2019) architecture (14 nm), while the Core i5-8279U uses Coffee Lake-U (2018−2019) (14 nm). In PassMark, the Core i5-9300H scores 7,438 against the Core i5-8279U's 7,464 — a 0.3% lead for the Core i5-8279U. L3 cache: 8 MB on the Core i5-9300H vs 6 MB (total) on the Core i5-8279U.
| Feature | Core i5-9300H | Core i5-8279U |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4.1 GHz | 4.1 GHz |
| Base Clock | 2.4 GHz | 2.4 GHz |
| L3 Cache | 8 MB+33% | 6 MB (total) |
| L2 Cache | 1 MB+300% | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-H (2018−2019) | Coffee Lake-U (2018−2019) |
| PassMark | 7,438 | 7,464 |
| Cinebench R23 Multi | 4,729 | — |
| Geekbench 6 Single | 1,050 | — |
| Geekbench 6 Multi | 3,700 | — |
Memory & Platform
The Core i5-9300H uses the BGA1440 socket (PCIe 3.0), while the Core i5-8279U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-9300H | Core i5-8279U |
|---|---|---|
| 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 (Core i5-9300H) / not specified (Core i5-8279U). The Core i5-9300H includes integrated graphics (Intel UHD Graphics 630), while the Core i5-8279U requires a dedicated GPU. Primary use case: Core i5-9300H targets Gaming Laptop.
| Feature | Core i5-9300H | Core i5-8279U |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics 630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Gaming Laptop | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i5-9300H and Core i5-8279U
