EPYC 7443
Ryzen 9 9900X3D
EPYC 7443 vs Ryzen 9 9900X3D Performance Spectrum
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.
EPYC 7443 vs Ryzen 9 9900X3D FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
EPYC 7443 vs Ryzen 9 9900X3D: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 7443
2021Why buy it
- ✅+0.8% higher PassMark.
- ✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 128 PCIe lanes vs 24.
- ✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 9900X3D across 50 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 28.2 vs 94.0 PassMark/$ ($2,010 MSRP vs $599 MSRP).
- ❌66.7% higher power demand at 200W vs 120W.
- ❌Older platform position on SP3 with DDR4, while Ryzen 9 9900X3D moves to AM5 and DDR5.
- ❌No integrated graphics, while Ryzen 9 9900X3D can still boot and troubleshoot without a discrete GPU.
Ryzen 9 9900X3D
2025Why buy it
- ✅Better for gaming: +26.9% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $1,411 less on MSRP ($599 MSRP vs $2,010 MSRP).
- ✅Delivers 232.9% more PassMark for each dollar spent, at 94.0 vs 28.2 PassMark/$ ($599 MSRP vs $2,010 MSRP).
- ✅Draws 120W instead of 200W, a 80W reduction.
- ✅Newer platform on AM5 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Lower PassMark (56,301 vs 56,743).
- ❌Less compelling for workstation-style loads than EPYC 7443, which brings 24 cores / 48 threads and 128 PCIe lanes.
Quick Answers
So, is Ryzen 9 9900X3D better than EPYC 7443?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
EPYC 7443 vs Ryzen 9 9900X3D Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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 Ryzen 9 9900X3D supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7443 supports up to 4096 GB of RAM compared to 192 GB — 2033.3% 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 | DDR5-5600+75% |
| Max RAM Capacity | 4096 GB+2033% | 192 GB |
| RAM Channels | 8+300% | 2 |
| ECC Support | Yes | Yes |
| 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
At launch, the EPYC 7443 was priced at $2010, while the Ryzen 9 9900X3D came in at $599. On launch pricing ($2010 vs $599), Ryzen 9 9900X3D was $1411 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7443 delivers 28.2 pts/$ vs 94.0 pts/$ for the Ryzen 9 9900X3D — making the Ryzen 9 9900X3D the 107.6% better value option.
| Feature | EPYC 7443 | Ryzen 9 9900X3D |
|---|---|---|
| MSRP | $2010 | $599-70% |
| Performance per Dollar | 28.2 | 94.0+233% |
| Release Date | 2021 | 2025 |
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