Ryzen 9 5900X
Ryzen Threadripper 3990X
Ryzen 9 5900X vs Ryzen Threadripper 3990X 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.
Ryzen 9 5900X vs Ryzen Threadripper 3990X 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
Ryzen 9 5900X vs Ryzen Threadripper 3990X: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Ryzen 9 5900X
2020Why buy it
- ✅Better for gaming: +13.7% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $3,441 less on MSRP ($549 MSRP vs $3,990 MSRP).
- ✅Delivers 254.4% more PassMark for each dollar spent, at 71.0 vs 20.0 PassMark/$ ($549 MSRP vs $3,990 MSRP).
- ✅Draws 105W instead of 280W, a 175W reduction.
Trade-offs
- ❌Lower Cinebench R23 multi-core (21,000 vs 64,366).
- ❌Smaller total L3 cache (64 MB vs 256 MB).
- ❌Less compelling for workstation-style loads than Ryzen Threadripper 3990X, which brings 64 cores / 128 threads and 88 PCIe lanes.
Ryzen Threadripper 3990X
2019Why buy it
- ✅+206.5% higher Cinebench R23 multi-core.
- ✅+300% larger total L3 cache (256 MB vs 64 MB).
- ✅Better for workstations and heavier parallel workloads: 64 cores / 128 threads, plus 88 PCIe lanes vs 24.
- ✅266.7% more PCIe lanes (88 vs 24) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 20.0 vs 71.0 PassMark/$ ($3,990 MSRP vs $549 MSRP).
- ❌166.7% higher power demand at 280W vs 105W.
Quick Answers
So, is Ryzen 9 5900X better than Ryzen Threadripper 3990X?
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?
Ryzen 9 5900X vs Ryzen Threadripper 3990X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Ryzen Threadripper 3990X
The Ryzen Threadripper 3990X is manufactured by AMD. It was released in 7 February 2020 (5 years ago). It is based on the Matisse (2019−2020) architecture. It features 64 cores and 128 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 256 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: TR4. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 79,889 points. Launch price was $3,999.
Processing Power
The Ryzen 9 5900X packs 12 cores / 24 threads, while the Ryzen Threadripper 3990X offers 64 cores / 128 threads — the Ryzen Threadripper 3990X has 52 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 4.3 GHz on the Ryzen Threadripper 3990X — a 11% clock advantage for the Ryzen 9 5900X (base: 3.7 GHz vs 2.9 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen Threadripper 3990X uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Ryzen Threadripper 3990X's 79,889 — a 68.9% lead for the Ryzen Threadripper 3990X. Cinebench R23 multi-core: 21,000 vs 64,366 (101.6% advantage for the Ryzen Threadripper 3990X). Geekbench 6 single-core — the metric most relevant to gaming — records 2,174 vs 1,961, a 10.3% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 11,888 vs 22,045 (59.9% advantage for the Ryzen Threadripper 3990X). L3 cache: 64 MB on the Ryzen 9 5900X vs 256 MB on the Ryzen Threadripper 3990X.
| Feature | Ryzen 9 5900X | Ryzen Threadripper 3990X |
|---|---|---|
| Cores / Threads | 12 / 24 | 64 / 128+433% |
| Boost Clock | 4.8 GHz+12% | 4.3 GHz |
| Base Clock | 3.7 GHz+28% | 2.9 GHz |
| L3 Cache | 64 MB | 256 MB+300% |
| L2 Cache | 512K (per core) | 512K (per core) |
| Process | 7 nm, 12 nm | 7 nm, 12 nm |
| Architecture | Vermeer (Zen3) (2020−2022) | Matisse (2019−2020) |
| PassMark | 38,955 | 79,889+105% |
| Cinebench R23 Multi | 21,000 | 64,366+207% |
| Geekbench 6 Single | 2,174+11% | 1,961 |
| Geekbench 6 Multi | 11,888 | 22,045+85% |
Memory & Platform
The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Ryzen Threadripper 3990X uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Ryzen Threadripper 3990X supports up to 256 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 5900X) vs 4 (Ryzen Threadripper 3990X). PCIe lanes: 24 (Ryzen 9 5900X) vs 88 (Ryzen Threadripper 3990X) — the Ryzen Threadripper 3990X offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and TRX40 (Ryzen Threadripper 3990X).
| Feature | Ryzen 9 5900X | Ryzen Threadripper 3990X |
|---|---|---|
| Socket | AM4 | TR4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 128 GB | 256 GB+100% |
| RAM Channels | 2 | 4+100% |
| ECC Support | Yes | Yes |
| PCIe Lanes | 24 | 88+267% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: AMD-V (Ryzen 9 5900X) vs true (Ryzen Threadripper 3990X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Ryzen Threadripper 3990X rivals Core i9-10980XE.
| Feature | Ryzen 9 5900X | Ryzen Threadripper 3990X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | true |
| Target Use | Workstation | — |
Value Analysis
At launch, the Ryzen 9 5900X was priced at $549, while the Ryzen Threadripper 3990X came in at $3990. On launch pricing ($549 vs $3990), Ryzen 9 5900X was $3441 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 20.0 pts/$ for the Ryzen Threadripper 3990X — making the Ryzen 9 5900X the 112% better value option.
| Feature | Ryzen 9 5900X | Ryzen Threadripper 3990X |
|---|---|---|
| MSRP | $549-86% | $3990 |
| Performance per Dollar | 71.0+255% | 20.0 |
| Release Date | 2020 | 2019 |
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