Processor U300 vs Core i5-8500B
Processor U300
Core i5-8500B
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. The Processor U300 is positioned at rank #488 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 Processor U300
Performance Per Dollar Core i5-8500B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Processor U300 | Core i5-8500B |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($180) | ⚠️ Higher cost ($192) |
| Longevity | ✨ Modern (Raptor Lake-U (2023) / 10 nm) | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) |
💎 Value Proposition
| Insight | Processor U300 | Core i5-8500B |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+7%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($180) | ⚠️ Higher cost ($192) |
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 Processor U300 and Core i5-8500B
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.
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.
Processing Power
The Processor U300 packs 5 cores / 6 threads, while the Core i5-8500B offers 6 cores / 6 threads — the Core i5-8500B has 1 more core. Boost clocks reach 4.4 GHz on the Processor U300 versus 4.1 GHz on the Core i5-8500B — a 7.1% clock advantage for the Processor U300 (base: 1.2 GHz vs 3 GHz). The Processor U300 uses the Raptor Lake-U (2023) architecture (10 nm), while the Core i5-8500B uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Processor U300 scores 8,897 against the Core i5-8500B's 8,900 — a 0% lead for the Core i5-8500B. L3 cache: 8 MB (total) on the Processor U300 vs 9 MB (total) on the Core i5-8500B.
| Feature | Processor U300 | Core i5-8500B |
|---|---|---|
| Cores / Threads | 5 / 6 | 6 / 6+20% |
| Boost Clock | 4.4 GHz+7% | 4.1 GHz |
| Base Clock | 1.2 GHz | 3 GHz+150% |
| L3 Cache | 8 MB (total) | 9 MB (total)+13% |
| L2 Cache | 1.25 MB (per core)+400% | 256K (per core) |
| Process | 10 nm-29% | 14 nm |
| Architecture | Raptor Lake-U (2023) | Coffee Lake (2017−2019) |
| PassMark | 8,897 | 8,900 |
| Geekbench 6 Single | — | 1,364 |
Memory & Platform
The Processor U300 uses the FCBGA1744 socket (PCIe 5.0), while the Core i5-8500B uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Processor U300 | Core i5-8500B |
|---|---|---|
| Socket | FCBGA1744 | BGA1440 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Processor U300) / VT-x, VT-d, EPT (Core i5-8500B). 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 | Processor U300 | Core i5-8500B |
|---|---|---|
| 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 Processor U300 launched at $193 MSRP, while the Core i5-8500B debuted at $192. At current prices ($180 vs $192), the Processor U300 is $12 cheaper. In terms of value (PassMark points per dollar), the Processor U300 delivers 49.4 pts/$ vs 46.4 pts/$ for the Core i5-8500B — making the Processor U300 the 6.4% better value option.
| Feature | Processor U300 | Core i5-8500B |
|---|---|---|
| MSRP | $193 | $192 |
| Avg Price (30d) | $180-6% | $192 |
| Performance per Dollar | 49.4+6% | 46.4 |
| Release Date | 2023 | 2018 |
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