Core i5-8500B vs Processor U300
Core i5-8500B
Processor U300
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-8500B
Performance Per Dollar Processor U300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-8500B | Processor U300 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($192) | ✅ More affordable ($180) |
| Longevity | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) | ✨ Modern (Raptor Lake-U (2023) / 10 nm) |
💎 Value Proposition
| Insight | Core i5-8500B | Processor U300 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+7%) |
| Upfront Cost | ⚠️ Higher cost ($192) | ✅ More affordable ($180) |
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 i5-8500B and Processor U300
Core i5-8500B
The Core i5-8500B is manufactured by Intel. It was released in 3 April 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 6 cores and 6 threads. Base frequency is 3 GHz, with boost up to 4.1 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 8,900 points. Launch price was $192.
Processor U300
The Processor U300 is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 5 cores and 6 threads. Base frequency is 1.2 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 8,897 points. Launch price was $193.
Processing Power
The Core i5-8500B packs 6 cores / 6 threads, while the Processor U300 offers 5 cores / 6 threads — the Core i5-8500B has 1 more core. Boost clocks reach 4.1 GHz on the Core i5-8500B versus 4.4 GHz on the Processor U300 — a 7.1% clock advantage for the Processor U300 (base: 3 GHz vs 1.2 GHz). The Core i5-8500B uses the Coffee Lake (2017−2019) architecture (14 nm), while the Processor U300 uses Raptor Lake-U (2023) (10 nm). In PassMark, the Core i5-8500B scores 8,900 against the Processor U300's 8,897 — a 0% lead for the Core i5-8500B. L3 cache: 9 MB (total) on the Core i5-8500B vs 8 MB (total) on the Processor U300.
| Feature | Core i5-8500B | Processor U300 |
|---|---|---|
| Cores / Threads | 6 / 6+20% | 5 / 6 |
| Boost Clock | 4.1 GHz | 4.4 GHz+7% |
| Base Clock | 3 GHz+150% | 1.2 GHz |
| L3 Cache | 9 MB (total)+13% | 8 MB (total) |
| L2 Cache | 256K (per core) | 1.25 MB (per core)+400% |
| Process | 14 nm | 10 nm-29% |
| Architecture | Coffee Lake (2017−2019) | Raptor Lake-U (2023) |
| PassMark | 8,900 | 8,897 |
| Geekbench 6 Single | 1,364 | — |
Memory & Platform
The Core i5-8500B uses the BGA1440 socket (PCIe 3.0), while the Processor U300 uses FCBGA1744 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Core i5-8500B | Processor U300 |
|---|---|---|
| Socket | BGA1440 | FCBGA1744 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i5-8500B) / not specified (Processor U300). The Core i5-8500B includes integrated graphics (UHD Graphics 630), while the Processor U300 requires a dedicated GPU. Primary use case: Core i5-8500B targets Mini PC/Embedded. Direct competitor: Core i5-8500B rivals Ryzen 5 2600.
| Feature | Core i5-8500B | Processor U300 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Mini PC/Embedded | — |
Value Analysis
The Core i5-8500B launched at $192 MSRP, while the Processor U300 debuted at $193. At current prices ($192 vs $180), the Processor U300 is $12 cheaper. In terms of value (PassMark points per dollar), the Core i5-8500B delivers 46.4 pts/$ vs 49.4 pts/$ for the Processor U300 — making the Processor U300 the 6.4% better value option.
| Feature | Core i5-8500B | Processor U300 |
|---|---|---|
| MSRP | $192 | $193 |
| Avg Price (30d) | $192 | $180-6% |
| Performance per Dollar | 46.4 | 49.4+6% |
| Release Date | 2018 | 2023 |
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