Core i9-13900KF
Ryzen Threadripper PRO 9945WX
Core i9-13900KF vs Ryzen Threadripper PRO 9945WX 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.
Core i9-13900KF vs Ryzen Threadripper PRO 9945WX 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
Core i9-13900KF vs Ryzen Threadripper PRO 9945WX: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i9-13900KF
2022Why buy it
- ✅Costs $741 less on MSRP ($599 MSRP vs $1,340 MSRP).
- ✅Delivers 127.2% more PassMark for each dollar spent, at 96.4 vs 42.4 PassMark/$ ($599 MSRP vs $1,340 MSRP).
- ✅Draws 125W instead of 350W, a 225W reduction.
Trade-offs
- ❌Smaller total L3 cache (36 MB vs 64 MB).
- ❌Less compelling for workstation-style loads than Ryzen Threadripper PRO 9945WX, which brings 12 cores / 24 threads and 128 PCIe lanes.
- ❌No AVX-512 support for niche heavy compute workloads where it can matter.
Ryzen Threadripper PRO 9945WX
2025Why buy it
- ✅+77.8% larger total L3 cache (64 MB vs 36 MB).
- ✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 128 PCIe lanes vs 20.
- ✅540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.
Trade-offs
- ❌Lower PassMark (56,854 vs 57,743).
- ❌Lower PassMark per dollar, at 42.4 vs 96.4 PassMark/$ ($1,340 MSRP vs $599 MSRP).
- ❌180% higher power demand at 350W vs 125W.
Quick Answers
So, is Core i9-13900KF better than Ryzen Threadripper PRO 9945WX?
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?
Core i9-13900KF vs Ryzen Threadripper PRO 9945WX Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Core i9-13900KF
The Core i9-13900KF is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 24 cores and 32 threads. Base frequency is 3 GHz, with boost up to 5.7 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 W, 253 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 57,743 points. Launch price was $564.
Ryzen Threadripper PRO 9945WX
The Ryzen Threadripper PRO 9945WX is manufactured by AMD. It was released in 2025-01-01. It is based on the Shimada Peak (2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 56,854 points. Launch price was $2,000.
Processing Power
The Core i9-13900KF packs 24 cores / 32 threads, while the Ryzen Threadripper PRO 9945WX offers 12 cores / 24 threads — the Core i9-13900KF has 12 more cores. Boost clocks reach 5.7 GHz on the Core i9-13900KF versus 5.4 GHz on the Ryzen Threadripper PRO 9945WX — a 5.4% clock advantage for the Core i9-13900KF (base: 3 GHz vs 4.7 GHz). The Core i9-13900KF uses the Raptor Lake, Raptor Cove, Gracemont (2022) architecture (Intel 7 nm), while the Ryzen Threadripper PRO 9945WX uses Shimada Peak (2025) (4 nm). In PassMark, the Core i9-13900KF scores 57,743 against the Ryzen Threadripper PRO 9945WX's 56,854 — a 1.6% lead for the Core i9-13900KF. L3 cache: 36 MB (total) on the Core i9-13900KF vs 64 MB (total) on the Ryzen Threadripper PRO 9945WX.
| Feature | Core i9-13900KF | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Cores / Threads | 24 / 32+100% | 12 / 24 |
| Boost Clock | 5.7 GHz+6% | 5.4 GHz |
| Base Clock | 3 GHz | 4.7 GHz+57% |
| L3 Cache | 36 MB (total) | 64 MB (total)+78% |
| L2 Cache | 2 MB (per core)+100% | 1 MB (per core) |
| Process | Intel 7 nm | 4 nm-43% |
| Architecture | Raptor Lake, Raptor Cove, Gracemont (2022) | Shimada Peak (2025) |
| PassMark | 57,743+2% | 56,854 |
| Cinebench R23 Multi | 39,565 | — |
| Geekbench 6 Single | 2,946 | — |
| Geekbench 6 Multi | 19,878 | — |
Memory & Platform
The Core i9-13900KF uses the LGA1700 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9945WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i9-13900KF versus 6400 on the Ryzen Threadripper PRO 9945WX — the Ryzen Threadripper PRO 9945WX supports 14.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 9945WX supports up to 2048 GB of RAM compared to 192 GB — 966.7% more capacity for professional workloads. Memory channels: 2 (Core i9-13900KF) vs 8 (Ryzen Threadripper PRO 9945WX). PCIe lanes: 20 (Core i9-13900KF) vs 128 (Ryzen Threadripper PRO 9945WX) — the Ryzen Threadripper PRO 9945WX offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel Z790,Intel Z690 (Core i9-13900KF) and WRX90,TRX50 (Ryzen Threadripper PRO 9945WX).
| Feature | Core i9-13900KF | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Socket | LGA1700 | sTR5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5600 | 6400+14% |
| Max RAM Capacity | 192 GB | 2048 GB+967% |
| RAM Channels | 2 | 8+300% |
| ECC Support | Yes | Yes |
| PCIe Lanes | 20 | 128+540% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen Threadripper PRO 9945WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core i9-13900KF) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 9945WX). Primary use case: Core i9-13900KF targets Desktop. Direct competitor: Ryzen Threadripper PRO 9945WX rivals Xeon w7-3545.
| Feature | Core i9-13900KF | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | true | VT-x, VT-d, AMD-V |
| Target Use | Desktop | — |
Value Analysis
At launch, the Core i9-13900KF was priced at $599, while the Ryzen Threadripper PRO 9945WX came in at $1340. On launch pricing ($599 vs $1340), Core i9-13900KF was $741 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-13900KF delivers 96.4 pts/$ vs 42.4 pts/$ for the Ryzen Threadripper PRO 9945WX — making the Core i9-13900KF the 77.8% better value option.
| Feature | Core i9-13900KF | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| MSRP | $599-55% | $1340 |
| Performance per Dollar | 96.4+127% | 42.4 |
| Release Date | 2022 | 2025 |
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