Core i9-7920X vs Ryzen 7 3800XT
Core i9-7920X
Ryzen 7 3800XT
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 i9-7920X
Performance Per Dollar Ryzen 7 3800XT
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-7920X | Ryzen 7 3800XT |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($236) | ⚠️ Higher cost ($249) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Matisse (Zen 2) (2019−2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i9-7920X | Ryzen 7 3800XT |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+6%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($236) | ⚠️ Higher cost ($249) |
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 i9-7920X and Ryzen 7 3800XT
Core i9-7920X
The Core i9-7920X is manufactured by Intel. It was released in 10 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2.9 GHz, with boost up to 4.4 GHz. L3 cache: 16.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 23,508 points. Launch price was $1,199.
Ryzen 7 3800XT
The Ryzen 7 3800XT is manufactured by AMD. It was released in 7 July 2020 (5 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 23,441 points. Launch price was $399.
Processing Power
The Core i9-7920X packs 12 cores / 24 threads, while the Ryzen 7 3800XT offers 8 cores / 16 threads — the Core i9-7920X has 4 more cores. Boost clocks reach 4.4 GHz on the Core i9-7920X versus 4.7 GHz on the Ryzen 7 3800XT — a 6.6% clock advantage for the Ryzen 7 3800XT (base: 2.9 GHz vs 3.8 GHz). The Core i9-7920X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 7 3800XT uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Core i9-7920X scores 23,508 against the Ryzen 7 3800XT's 23,441 — a 0.3% lead for the Core i9-7920X. L3 cache: 16.5 MB (total) on the Core i9-7920X vs 32 MB on the Ryzen 7 3800XT.
| Feature | Core i9-7920X | Ryzen 7 3800XT |
|---|---|---|
| Cores / Threads | 12 / 24+50% | 8 / 16 |
| Boost Clock | 4.4 GHz | 4.7 GHz+7% |
| Base Clock | 2.9 GHz | 3.8 GHz+31% |
| L3 Cache | 16.5 MB (total) | 32 MB+94% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Skylake (server) (2017−2018) | Matisse (Zen 2) (2019−2020) |
| PassMark | 23,508 | 23,441 |
Memory & Platform
The Core i9-7920X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 7 3800XT uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i9-7920X | Ryzen 7 3800XT |
|---|---|---|
| Socket | LGA2066 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | — | DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 24 |
Advanced Features
Virtualization: not specified (Core i9-7920X) / AMD-V (Ryzen 7 3800XT). Primary use case: Ryzen 7 3800XT targets Desktop.
| Feature | Core i9-7920X | Ryzen 7 3800XT |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Desktop |
Value Analysis
The Core i9-7920X launched at $1199 MSRP, while the Ryzen 7 3800XT debuted at $399. At current prices ($236 vs $249), the Core i9-7920X is $13 cheaper. In terms of value (PassMark points per dollar), the Core i9-7920X delivers 99.6 pts/$ vs 94.1 pts/$ for the Ryzen 7 3800XT — making the Core i9-7920X the 5.6% better value option.
| Feature | Core i9-7920X | Ryzen 7 3800XT |
|---|---|---|
| MSRP | $1199 | $399-67% |
| Avg Price (30d) | $236-5% | $249 |
| Performance per Dollar | 99.6+6% | 94.1 |
| Release Date | 2017 | 2020 |
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