Core i3-7100T vs Core i3-8145U
Core i3-7100T
Core i3-8145U
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 i3-7100T is positioned at rank 568 and the Core i3-8145U is on rank 587, so the Core i3-7100T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-7100T
Performance Per Dollar Core i3-8145U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-7100T | Core i3-8145U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($39) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i3-7100T | Core i3-8145U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($39) | ✅ More affordable ($0) |
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 i3-7100T and Core i3-8145U
Core i3-7100T
The Core i3-7100T is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.4 GHz, with boost up to 3.4 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 3,763 points. Launch price was $117.
Core i3-8145U
The Core i3-8145U 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 2.1 GHz, with boost up to 3.9 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 3,781 points. Launch price was $281.
Processing Power
Both the Core i3-7100T and Core i3-8145U share an identical 2-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Core i3-7100T versus 3.9 GHz on the Core i3-8145U — a 13.7% clock advantage for the Core i3-8145U (base: 3.4 GHz vs 2.1 GHz). The Core i3-7100T uses the Kaby Lake (2016−2019) architecture (14 nm), while the Core i3-8145U uses Whiskey Lake-U (2018−2019) (14 nm). In PassMark, the Core i3-7100T scores 3,763 against the Core i3-8145U's 3,781 — a 0.5% lead for the Core i3-8145U. L3 cache: 3 MB (total) on the Core i3-7100T vs 4 MB (total) on the Core i3-8145U.
| Feature | Core i3-7100T | Core i3-8145U |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 3.4 GHz | 3.9 GHz+15% |
| Base Clock | 3.4 GHz+62% | 2.1 GHz |
| L3 Cache | 3 MB (total) | 4 MB (total)+33% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Kaby Lake (2016−2019) | Whiskey Lake-U (2018−2019) |
| PassMark | 3,763 | 3,781 |
| Geekbench 6 Single | 1,157 | — |
| Geekbench 6 Multi | 2,500 | — |
Memory & Platform
The Core i3-7100T uses the LGA1151 socket (PCIe 3.0), while the Core i3-8145U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2400 memory speed. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.
| Feature | Core i3-7100T | Core i3-8145U |
|---|---|---|
| Socket | LGA1151 | FCBGA1528 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2400 | DDR4-2400 |
| Max RAM Capacity | 64 GB | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Both include integrated graphics — Intel HD Graphics 630 (Core i3-7100T) and UHD Graphics 620 (Core i3-8145U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-7100T targets Low Power Desktop, Core i3-8145U targets Mobile.
| Feature | Core i3-7100T | Core i3-8145U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics 630 | UHD Graphics 620 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Low Power Desktop | Mobile |
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