
Atom x7405C vs Core i3-8100T

Atom x7405C

Core i3-8100T
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 Atom x7405C is positioned at rank #180 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 Atom x7405C
Performance Per Dollar Core i3-8100T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom x7405C | Core i3-8100T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($59) |
| Longevity | ✨ Modern (Amston Lake (2024−2025) / 10 nm) | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) |
💎 Value Proposition
| Insight | Atom x7405C | Core i3-8100T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($59) |
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 Atom x7405C and Core i3-8100T

Atom x7405C
The Atom x7405C is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 4 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 12 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 5,218 points. Launch price was $57.

Core i3-8100T
The Core i3-8100T is manufactured by Intel. It was released in 2 April 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2400. Passmark benchmark score: 5,257 points. Launch price was $117.
Processing Power
Both the Atom x7405C and Core i3-8100T share an identical 4-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Atom x7405C versus 3.1 GHz on the Core i3-8100T — a 9.2% clock advantage for the Atom x7405C (base: 1.7 GHz vs 3.1 GHz). The Atom x7405C uses the Amston Lake (2024−2025) architecture (10 nm), while the Core i3-8100T uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Atom x7405C scores 5,218 against the Core i3-8100T's 5,257 — a 0.7% lead for the Core i3-8100T. Both processors carry 6 MB (total) of L3 cache.
| Feature | Atom x7405C | Core i3-8100T |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3.4 GHz+10% | 3.1 GHz |
| Base Clock | 1.7 GHz | 3.1 GHz+82% |
| L3 Cache | 6 MB (total) | 6 MB (total) |
| L2 Cache | 2 MB (total)+700% | 256K (per core) |
| Process | 10 nm-29% | 14 nm |
| Architecture | Amston Lake (2024−2025) | Coffee Lake (2017−2019) |
| PassMark | 5,218 | 5,257 |
Memory & Platform
The Atom x7405C uses the FCBGA1264 socket (PCIe 4.0), while the Core i3-8100T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Atom x7405C versus DDR4-2400 on the Core i3-8100T — the Atom x7405C supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-8100T supports up to 64 GB of RAM compared to 16 GB — 120% more capacity for professional workloads. Memory channels: 1 (Atom x7405C) vs 2 (Core i3-8100T). PCIe lanes: 9 (Atom x7405C) vs 16 (Core i3-8100T) — the Core i3-8100T offers 7 more lanes for additional GPUs or NVMe drives.
| Feature | Atom x7405C | Core i3-8100T |
|---|---|---|
| Socket | FCBGA1264 | LGA1151 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR5-4800+25% | DDR4-2400 |
| Max RAM Capacity | 16 GB | 64 GB+300% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 9 | 16+78% |
Advanced Features
Virtualization: not specified (Atom x7405C) / VT-x, VT-d (Core i3-8100T). Both include integrated graphics — Intel UHD Graphics (Atom x7405C) and UHD Graphics 630 (Core i3-8100T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-8100T targets Desktop.
| Feature | Atom x7405C | Core i3-8100T |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics | UHD Graphics 630 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Desktop |
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