Core i3-8145UE vs Ryzen 7 5800X
Core i3-8145UE
Popular choices:
Ryzen 7 5800X
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 Core i3-8145UE is positioned at rank #995 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 Core i3-8145UE
Performance Per Dollar Ryzen 7 5800X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-8145UE | Ryzen 7 5800X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($50) | ⚠️ Higher cost ($180) |
| Longevity | ✨ Modern (Whiskey Lake-U (2018−2019) / 10 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i3-8145UE | Ryzen 7 5800X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+91%) |
| Upfront Cost | ✅ More affordable ($50) | ⚠️ Higher cost ($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 i3-8145UE and Ryzen 7 5800X
Core i3-8145UE
The Core i3-8145UE is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.9 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 10 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 4,021 points. Launch price was $69.
Ryzen 7 5800X
The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.
Processing Power
The Core i3-8145UE packs 2 cores / 4 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 6 more cores. Boost clocks reach 3.9 GHz on the Core i3-8145UE versus 4.7 GHz on the Ryzen 7 5800X — a 18.6% clock advantage for the Ryzen 7 5800X (base: 2.2 GHz vs 3.8 GHz). The Core i3-8145UE uses the Whiskey Lake-U (2018−2019) architecture (10 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i3-8145UE scores 4,021 against the Ryzen 7 5800X's 27,712 — a 149.3% lead for the Ryzen 7 5800X. L3 cache: 4 MB (total) on the Core i3-8145UE vs 32 MB on the Ryzen 7 5800X.
| Feature | Core i3-8145UE | Ryzen 7 5800X |
|---|---|---|
| Cores / Threads | 2 / 4 | 8 / 16+300% |
| Boost Clock | 3.9 GHz | 4.7 GHz+21% |
| Base Clock | 2.2 GHz | 3.8 GHz+73% |
| L3 Cache | 4 MB (total) | 32 MB+700% |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 10 nm | 7 nm, 12 nm-30% |
| Architecture | Whiskey Lake-U (2018−2019) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 4,021 | 27,712+589% |
| Cinebench R23 Multi | 2,356 | — |
| Geekbench 6 Single | 1,218 | — |
| Geekbench 6 Multi | 2,356 | — |
Memory & Platform
The Core i3-8145UE uses the FCBGA1528 socket (PCIe 3.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2400 memory speed. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i3-8145UE) vs 24 (Ryzen 7 5800X) — the Ryzen 7 5800X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Whiskey Lake (Core i3-8145UE) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).
| Feature | Core i3-8145UE | Ryzen 7 5800X |
|---|---|---|
| Socket | FCBGA1528 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2400 | DDR4-3200 |
| Max RAM Capacity | 64 GB | 128 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 24+50% |
Advanced Features
Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i3-8145UE) vs AMD-V (Ryzen 7 5800X). The Core i3-8145UE includes integrated graphics (UHD 620), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Core i3-8145UE targets Budget, Ryzen 7 5800X targets Desktop. Direct competitor: Core i3-8145UE rivals Ryzen 3 3200U.
| Feature | Core i3-8145UE | Ryzen 7 5800X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD 620 | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | Budget | Desktop |
Value Analysis
The Core i3-8145UE launched at $281 MSRP, while the Ryzen 7 5800X debuted at $449. At current prices ($50 vs $180), the Core i3-8145UE is $130 cheaper. In terms of value (PassMark points per dollar), the Core i3-8145UE delivers 80.4 pts/$ vs 154.0 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 62.8% better value option.
| Feature | Core i3-8145UE | Ryzen 7 5800X |
|---|---|---|
| MSRP | $281-37% | $449 |
| Avg Price (30d) | $50-72% | $180 |
| Performance per Dollar | 80.4 | 154.0+92% |
| Release Date | 2018 | 2020 |
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