EPYC 7443 vs Ryzen 9 9900X3D
EPYC 7443
Ryzen 9 9900X3D
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 EPYC 7443
Performance Per Dollar Ryzen 9 9900X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7443 | Ryzen 9 9900X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,800) | ✅ More affordable ($589) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Granite Ridge (2024−2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 7443 | Ryzen 9 9900X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+203%) |
| Upfront Cost | ⚠️ Higher cost ($1,800) | ✅ More affordable ($589) |
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 EPYC 7443 and Ryzen 9 9900X3D
EPYC 7443
The EPYC 7443 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 24 cores and 48 threads. Base frequency is 2.85 GHz, with boost up to 4 GHz. L3 cache: 128 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 200 Watt. Memory support: DDR4-3200. Passmark benchmark score: 56,743 points. Launch price was $2,010.
Ryzen 9 9900X3D
The Ryzen 9 9900X3D is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.5 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 56,301 points. Launch price was $599.
Processing Power
The EPYC 7443 packs 24 cores / 48 threads, while the Ryzen 9 9900X3D offers 12 cores / 24 threads — the EPYC 7443 has 12 more cores. Boost clocks reach 4 GHz on the EPYC 7443 versus 5.5 GHz on the Ryzen 9 9900X3D — a 31.6% clock advantage for the Ryzen 9 9900X3D (base: 2.85 GHz vs 4.4 GHz). The EPYC 7443 uses the Milan (2021−2023) architecture (7 nm+), while the Ryzen 9 9900X3D uses Granite Ridge (2024−2025) (4 nm). In PassMark, the EPYC 7443 scores 56,743 against the Ryzen 9 9900X3D's 56,301 — a 0.8% lead for the EPYC 7443. Both processors carry 128 MB (total) of L3 cache.
| Feature | EPYC 7443 | Ryzen 9 9900X3D |
|---|---|---|
| Cores / Threads | 24 / 48+100% | 12 / 24 |
| Boost Clock | 4 GHz | 5.5 GHz+38% |
| Base Clock | 2.85 GHz | 4.4 GHz+54% |
| L3 Cache | 128 MB (total) | 128 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm+ | 4 nm-43% |
| Architecture | Milan (2021−2023) | Granite Ridge (2024−2025) |
| PassMark | 56,743 | 56,301 |
| Geekbench 6 Single | — | 3,400 |
| Geekbench 6 Multi | — | 26,000 |
Memory & Platform
The EPYC 7443 uses the SP3 socket (PCIe 4.0), while the Ryzen 9 9900X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7443 versus DDR5-5600 on the Ryzen 9 9900X3D — the EPYC 7443 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7443 supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 8 (EPYC 7443) vs 2 (Ryzen 9 9900X3D). PCIe lanes: 128 (EPYC 7443) vs 24 (Ryzen 9 9900X3D) — the EPYC 7443 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7443) and X670,X670E,X870,X870E (Ryzen 9 9900X3D).
| Feature | EPYC 7443 | Ryzen 9 9900X3D |
|---|---|---|
| Socket | SP3 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+63900% | DDR5-5600 |
| Max RAM Capacity | 4096 | 192 GB+4915100% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+433% | 24 |
Advanced Features
Only the Ryzen 9 9900X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 9 9900X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7443) vs AMD-V (Ryzen 9 9900X3D). The Ryzen 9 9900X3D includes integrated graphics (AMD Radeon Graphics (2 Cores)), while the EPYC 7443 requires a dedicated GPU. Primary use case: Ryzen 9 9900X3D targets High End Gaming/Creation. Direct competitor: EPYC 7443 rivals Xeon Platinum 8362; Ryzen 9 9900X3D rivals Core Ultra 9 285K.
| Feature | EPYC 7443 | Ryzen 9 9900X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics (2 Cores) |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | — | High End Gaming/Creation |
Value Analysis
The EPYC 7443 launched at $2010 MSRP, while the Ryzen 9 9900X3D debuted at $599. At current prices ($1800 vs $589), the Ryzen 9 9900X3D is $1211 cheaper. In terms of value (PassMark points per dollar), the EPYC 7443 delivers 31.5 pts/$ vs 95.6 pts/$ for the Ryzen 9 9900X3D — making the Ryzen 9 9900X3D the 100.8% better value option.
| Feature | EPYC 7443 | Ryzen 9 9900X3D |
|---|---|---|
| MSRP | $2010 | $599-70% |
| Avg Price (30d) | $1800 | $589-67% |
| Performance per Dollar | 31.5 | 95.6+203% |
| Release Date | 2021 | 2025 |
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