Core i3-9300 vs Core i7-990X
Core i3-9300
Core i7-990X
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-9300
Performance Per Dollar Core i7-990X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-9300 | Core i7-990X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($75) | ⚠️ Higher cost ($225) |
| Longevity | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) | 🛑 Legacy (Gulftown (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core i3-9300 | Core i7-990X |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+199%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($75) | ⚠️ Higher cost ($225) |
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 i3-9300 and Core i7-990X
Core i3-9300
The Core i3-9300 is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.7 GHz, with boost up to 4.3 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 62 Watt. Memory support: DDR4-2400. Passmark benchmark score: 7,105 points. Launch price was $143.
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.
Processing Power
The Core i3-9300 packs 4 cores / 4 threads, while the Core i7-990X offers 6 cores / 12 threads — the Core i7-990X has 2 more cores. Boost clocks reach 4.3 GHz on the Core i3-9300 versus 3.73 GHz on the Core i7-990X — a 14.2% clock advantage for the Core i3-9300 (base: 3.7 GHz vs 3.46 GHz). The Core i3-9300 uses the Coffee Lake (2017−2019) architecture (14 nm), while the Core i7-990X uses Gulftown (2010−2011) (32 nm). In PassMark, the Core i3-9300 scores 7,105 against the Core i7-990X's 7,135 — a 0.4% lead for the Core i7-990X. L3 cache: 6 MB (total) on the Core i3-9300 vs 12 MB (total) on the Core i7-990X.
| Feature | Core i3-9300 | Core i7-990X |
|---|---|---|
| Cores / Threads | 4 / 4 | 6 / 12+50% |
| Boost Clock | 4.3 GHz+15% | 3.73 GHz |
| Base Clock | 3.7 GHz+7% | 3.46 GHz |
| L3 Cache | 6 MB (total) | 12 MB (total)+100% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Coffee Lake (2017−2019) | Gulftown (2010−2011) |
| PassMark | 7,105 | 7,135 |
| Geekbench 6 Single | 1,498 | — |
| Geekbench 6 Multi | 4,025 | — |
Memory & Platform
The Core i3-9300 uses the LGA1151 socket (PCIe 3.0), while the Core i7-990X uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i3-9300 | Core i7-990X |
|---|---|---|
| Socket | LGA1151 | LGA1366 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i3-9300) / not specified (Core i7-990X). The Core i3-9300 includes integrated graphics (UHD Graphics 630), while the Core i7-990X requires a dedicated GPU.
| Feature | Core i3-9300 | Core i7-990X |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
Value Analysis
The Core i3-9300 launched at $143 MSRP, while the Core i7-990X debuted at $999. At current prices ($75 vs $225), the Core i3-9300 is $150 cheaper. In terms of value (PassMark points per dollar), the Core i3-9300 delivers 94.7 pts/$ vs 31.7 pts/$ for the Core i7-990X — making the Core i3-9300 the 99.7% better value option.
| Feature | Core i3-9300 | Core i7-990X |
|---|---|---|
| MSRP | $143-86% | $999 |
| Avg Price (30d) | $75-67% | $225 |
| Performance per Dollar | 94.7+199% | 31.7 |
| Release Date | 2019 | 2011 |
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