
Core i7-990X vs Core i7-7820HQ

Core i7-990X

Core i7-7820HQ
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 i7-990X is positioned at rank 1046 and the Core i7-7820HQ is on rank 901, so the Core i7-7820HQ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-990X
Performance Per Dollar Core i7-7820HQ
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-990X | Core i7-7820HQ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($225) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Gulftown (2010−2011) / 32 nm) | ✨ Modern (Kaby Lake-H (2017) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-990X | Core i7-7820HQ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($225) | ✅ 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 i7-990X and Core i7-7820HQ

Core i7-990X
The Core i7-990X is manufactured by Intel. It was released in 24 February 2011 (14 years ago). It is based on the Gulftown (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 3.46 GHz, with boost up to 3.73 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 7,135 points. Launch price was $1,104.

Core i7-7820HQ
The Core i7-7820HQ is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake-H (2017) architecture. It features 4 cores and 8 threads. Base frequency is 2.9 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 7,184 points. Launch price was $378.
Processing Power
The Core i7-990X packs 6 cores / 12 threads, while the Core i7-7820HQ offers 4 cores / 8 threads — the Core i7-990X has 2 more cores. Boost clocks reach 3.73 GHz on the Core i7-990X versus 3.9 GHz on the Core i7-7820HQ — a 4.5% clock advantage for the Core i7-7820HQ (base: 3.46 GHz vs 2.9 GHz). The Core i7-990X uses the Gulftown (2010−2011) architecture (32 nm), while the Core i7-7820HQ uses Kaby Lake-H (2017) (14 nm). In PassMark, the Core i7-990X scores 7,135 against the Core i7-7820HQ's 7,184 — a 0.7% lead for the Core i7-7820HQ. L3 cache: 12 MB (total) on the Core i7-990X vs 8 MB (total) on the Core i7-7820HQ.
| Feature | Core i7-990X | Core i7-7820HQ |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 8 |
| Boost Clock | 3.73 GHz | 3.9 GHz+5% |
| Base Clock | 3.46 GHz+19% | 2.9 GHz |
| L3 Cache | 12 MB (total)+50% | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Gulftown (2010−2011) | Kaby Lake-H (2017) |
| PassMark | 7,135 | 7,184 |
Memory & Platform
The Core i7-990X uses the LGA1366 socket (PCIe 2.0), while the Core i7-7820HQ uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-990X | Core i7-7820HQ |
|---|---|---|
| Socket | LGA1366 | BGA1440 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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