Core i7-7740X vs Core i7-11390H
Core i7-7740X
Core i7-11390H
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 i7-7740X is positioned at rank 614 and the Core i7-11390H is on rank 840, so the Core i7-7740X offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-7740X
Performance Per Dollar Core i7-11390H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-7740X | Core i7-11390H |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($150) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Kaby Lake-X (2017) / 14 nm) | ✨ Modern (Tiger Lake-H35 (2021) / 10 nm SuperFin) |
💎 Value Proposition
| Insight | Core i7-7740X | Core i7-11390H |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($150) | ✅ 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 i7-7740X and Core i7-11390H
Core i7-7740X
The Core i7-7740X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Kaby Lake-X (2017) architecture. It features 4 cores and 8 threads. Base frequency is 4.3 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 112 Watt. Memory support: DDR4. Passmark benchmark score: 9,678 points. Launch price was $339.
Core i7-11390H
The Core i7-11390H is manufactured by Intel. It was released in 21 June 2021 (4 years ago). It is based on the Tiger Lake-H35 (2021) architecture. It features 4 cores and 8 threads. Base frequency is 2.9 GHz, with boost up to 5 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 28 Watt. Memory support: DDR4. Passmark benchmark score: 9,798 points. Launch price was $149.
Processing Power
Both the Core i7-7740X and Core i7-11390H share an identical 4-core/8-thread configuration. Boost clocks reach 4.5 GHz on the Core i7-7740X versus 5 GHz on the Core i7-11390H — a 10.5% clock advantage for the Core i7-11390H (base: 4.3 GHz vs 2.9 GHz). The Core i7-7740X uses the Kaby Lake-X (2017) architecture (14 nm), while the Core i7-11390H uses Tiger Lake-H35 (2021) (10 nm SuperFin). In PassMark, the Core i7-7740X scores 9,678 against the Core i7-11390H's 9,798 — a 1.2% lead for the Core i7-11390H. L3 cache: 8 MB (total) on the Core i7-7740X vs 12 MB (total) on the Core i7-11390H.
| Feature | Core i7-7740X | Core i7-11390H |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4.5 GHz | 5 GHz+11% |
| Base Clock | 4.3 GHz+48% | 2.9 GHz |
| L3 Cache | 8 MB (total) | 12 MB (total)+50% |
| L2 Cache | 256K (per core) | 1.25 MB (per core)+400% |
| Process | 14 nm | 10 nm SuperFin-29% |
| Architecture | Kaby Lake-X (2017) | Tiger Lake-H35 (2021) |
| PassMark | 9,678 | 9,798+1% |
| Geekbench 6 Single | — | 1,948 |
Memory & Platform
The Core i7-7740X uses the LGA2066 socket (PCIe 3.0), while the Core i7-11390H uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-7740X) vs 20 (Core i7-11390H) — the Core i7-11390H offers 4 more lanes for additional GPUs or NVMe drives.
| Feature | Core i7-7740X | Core i7-11390H |
|---|---|---|
| Socket | LGA2066 | FCBGA1449 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2666 | DDR4-3200 |
| Max RAM Capacity | 64 GB | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 20+25% |
Advanced Features
Only the Core i7-7740X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i7-11390H supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-7740X) vs VT-x, VT-d, EPT (Core i7-11390H). The Core i7-11390H includes integrated graphics (Iris Xe Graphics 96EU), while the Core i7-7740X requires a dedicated GPU. Primary use case: Core i7-7740X targets Desktop, Core i7-11390H targets Thin & Light Gaming Laptop. Direct competitor: Core i7-11390H rivals Ryzen 7 5800U.
| Feature | Core i7-7740X | Core i7-11390H |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Iris Xe Graphics 96EU |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, EPT |
| Target Use | Desktop | Thin & Light Gaming Laptop |
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