Ryzen 9 3900
Xeon W-3245
Ryzen 9 3900 vs Xeon W-3245 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 3900 vs Xeon W-3245 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 3900 vs Xeon W-3245: 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 3900
2019Why buy it
- ✅+190.9% larger total L3 cache (64 MB vs 22 MB).
- ✅Costs $1,700 less on MSRP ($499 MSRP vs $2,199 MSRP).
- ✅Delivers 333.6% more PassMark for each dollar spent, at 61.3 vs 14.1 PassMark/$ ($499 MSRP vs $2,199 MSRP).
- ✅Draws 65W instead of 205W, a 140W reduction.
- ✅Includes a boxed cooler (Wraith Prism), unlike Xeon W-3245.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon W-3245 across 50 shared CPU benchmark tests.
- ❌Lower Cinebench R23 multi-core (17,700 vs 18,000).
- ❌Less compelling for workstation-style loads than Xeon W-3245, which brings 16 cores / 32 threads and 64 PCIe lanes.
Xeon W-3245
2019Why buy it
- ✅Better for gaming: +14.3% higher average FPS across 50 shared CPU benchmark tests.
- ✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 64 PCIe lanes vs 24.
- ✅166.7% more PCIe lanes (64 vs 24) for storage and expansion-heavy builds.
Trade-offs
- ❌Smaller total L3 cache (22 MB vs 64 MB).
- ❌Lower PassMark per dollar, at 14.1 vs 61.3 PassMark/$ ($2,199 MSRP vs $499 MSRP).
- ❌215.4% higher power demand at 205W vs 65W.
- ❌No boxed cooler included, unlike Ryzen 9 3900.
Quick Answers
So, is Xeon W-3245 better than Ryzen 9 3900?
Which one is better for gaming?
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 3900 vs Xeon W-3245 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Ryzen 9 3900
The Ryzen 9 3900 is manufactured by AMD. It was released in 24 September 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 30,588 points. Launch price was $499.
Xeon W-3245
The Xeon W-3245 is manufactured by Intel. It was released in 3 June 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 16 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 4.6 GHz. L3 cache: 22 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 31,089 points. Launch price was $1,999.
Processing Power
The Ryzen 9 3900 packs 12 cores / 24 threads, while the Xeon W-3245 offers 16 cores / 32 threads — the Xeon W-3245 has 4 more cores. Boost clocks reach 4.3 GHz on the Ryzen 9 3900 versus 4.6 GHz on the Xeon W-3245 — a 6.7% clock advantage for the Xeon W-3245 (base: 3.1 GHz vs 3.2 GHz). The Ryzen 9 3900 uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Xeon W-3245 uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Ryzen 9 3900 scores 30,588 against the Xeon W-3245's 31,089 — a 1.6% lead for the Xeon W-3245. Cinebench R23 multi-core: 17,700 vs 18,000 (1.7% advantage for the Xeon W-3245). Geekbench 6 single-core — the metric most relevant to gaming — records 1,713 vs 1,353, a 23.5% lead for the Ryzen 9 3900 that directly translates to higher frame rates. Multi-core Geekbench: 10,983 vs 11,698 (6.3% advantage for the Xeon W-3245). L3 cache: 64 MB on the Ryzen 9 3900 vs 22 MB on the Xeon W-3245.
| Feature | Ryzen 9 3900 | Xeon W-3245 |
|---|---|---|
| Cores / Threads | 12 / 24 | 16 / 32+33% |
| Boost Clock | 4.3 GHz | 4.6 GHz+7% |
| Base Clock | 3.1 GHz | 3.2 GHz+3% |
| L3 Cache | 64 MB+191% | 22 MB |
| L2 Cache | 512 kB (per core) | 16 MB+3100% |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Matisse (Zen 2) (2019−2020) | Cascade Lake (2019−2020) |
| PassMark | 30,588 | 31,089+2% |
| Cinebench R23 Multi | 17,700 | 18,000+2% |
| Geekbench 6 Single | 1,713+27% | 1,353 |
| Geekbench 6 Multi | 10,983 | 11,698+7% |
Memory & Platform
The Ryzen 9 3900 uses the AM4 socket (PCIe 4.0), while the Xeon W-3245 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 3900 versus DDR4-2933 on the Xeon W-3245 — the Ryzen 9 3900 supports 9.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3245 supports up to 1024 GB of RAM compared to 128 GB — 700% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 3900) vs 6 (Xeon W-3245). PCIe lanes: 24 (Ryzen 9 3900) vs 64 (Xeon W-3245) — the Xeon W-3245 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,X470,B450 (Ryzen 9 3900) and C621 (Xeon W-3245).
| Feature | Ryzen 9 3900 | Xeon W-3245 |
|---|---|---|
| Socket | AM4 | LGA3647 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200+9% | DDR4-2933 |
| Max RAM Capacity | 128 GB | 1024 GB+700% |
| RAM Channels | 2 | 6+200% |
| ECC Support | No | Yes |
| PCIe Lanes | 24 | 64+167% |
Advanced Features
Only the Ryzen 9 3900 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon W-3245 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 3900) vs VT-x, VT-d, EPT (Xeon W-3245). Primary use case: Ryzen 9 3900 targets Workstation Desktop (low power), Xeon W-3245 targets Professional Workstation. Direct competitor: Ryzen 9 3900 rivals Core i9-9900; Xeon W-3245 rivals Threadripper 2950X.
| Feature | Ryzen 9 3900 | Xeon W-3245 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | VT-x, VT-d, EPT |
| Target Use | Workstation Desktop (low power) | Professional Workstation |
Value Analysis
At launch, the Ryzen 9 3900 was priced at $499, while the Xeon W-3245 came in at $2199. On launch pricing ($499 vs $2199), Ryzen 9 3900 was $1700 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 3900 delivers 61.3 pts/$ vs 14.1 pts/$ for the Xeon W-3245 — making the Ryzen 9 3900 the 125% better value option.
| Feature | Ryzen 9 3900 | Xeon W-3245 |
|---|---|---|
| MSRP | $499-77% | $2199 |
| Performance per Dollar | 61.3+335% | 14.1 |
| Release Date | 2019 | 2019 |
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