Core i9-13900KS
Ryzen 9 7950X3D
Core i9-13900KS vs Ryzen 9 7950X3D 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 i9-13900KS vs Ryzen 9 7950X3D 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 i9-13900KS vs Ryzen 9 7950X3D: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i9-13900KS
2023Why buy it
- ✅+6.3% higher Cinebench R23 multi-core.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 7950X3D across 50 shared CPU benchmark tests.
- ❌25% higher power demand at 150W vs 120W.
Ryzen 9 7950X3D
2023Why buy it
- ✅Better for gaming: +10.3% higher average FPS across 50 shared CPU benchmark tests.
- ✅Draws 120W instead of 150W, a 30W reduction.
- ✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
Trade-offs
- ❌Lower Cinebench R23 multi-core (38,581 vs 40,998).
Quick Answers
So, is Ryzen 9 7950X3D better than Core i9-13900KS?
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 i9-13900KS vs Ryzen 9 7950X3D Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Core i9-13900KS
The Core i9-13900KS is manufactured by Intel. It was released in 12 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 24 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 5.8 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): 150 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 60,543 points. Launch price was $699.
Ryzen 9 7950X3D
The Ryzen 9 7950X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 16 cores and 32 threads. Base frequency is 4.2 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 62,323 points. Launch price was $699.
Processing Power
The Core i9-13900KS packs 24 cores / 32 threads, while the Ryzen 9 7950X3D offers 16 cores / 32 threads — the Core i9-13900KS has 8 more cores. Boost clocks reach 5.8 GHz on the Core i9-13900KS versus 5.7 GHz on the Ryzen 9 7950X3D — a 1.7% clock advantage for the Core i9-13900KS (base: 3.2 GHz vs 4.2 GHz). The Core i9-13900KS uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Ryzen 9 7950X3D uses Raphael (Zen4) (2022−2023) (5 nm, 6 nm). In PassMark, the Core i9-13900KS scores 60,543 against the Ryzen 9 7950X3D's 62,323 — a 2.9% lead for the Ryzen 9 7950X3D. Cinebench R23 multi-core: 40,998 vs 38,581 (6.1% advantage for the Core i9-13900KS). Geekbench 6 single-core — the metric most relevant to gaming — records 3,123 vs 2,926, a 6.5% lead for the Core i9-13900KS that directly translates to higher frame rates. Multi-core Geekbench: 21,421 vs 19,643 (8.7% advantage for the Core i9-13900KS). L3 cache: 36 MB (total) on the Core i9-13900KS vs 128 MB (total) on the Ryzen 9 7950X3D.
| Feature | Core i9-13900KS | Ryzen 9 7950X3D |
|---|---|---|
| Cores / Threads | 24 / 32+50% | 16 / 32 |
| Boost Clock | 5.8 GHz+2% | 5.7 GHz |
| Base Clock | 3.2 GHz | 4.2 GHz+31% |
| L3 Cache | 36 MB (total) | 128 MB (total)+256% |
| L2 Cache | 2 MB (per core)+100% | 1 MB (per core) |
| Process | Intel 7 nm | 5 nm, 6 nm-29% |
| Architecture | Raptor Lake-S (2023−2024) | Raphael (Zen4) (2022−2023) |
| PassMark | 60,543 | 62,323+3% |
| Cinebench R23 Multi | 40,998+6% | 38,581 |
| Geekbench 6 Single | 3,123+7% | 2,926 |
| Geekbench 6 Multi | 21,421+9% | 19,643 |
Memory & Platform
The Core i9-13900KS uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 7950X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i9-13900KS versus DDR5-5200 on the Ryzen 9 7950X3D — the Core i9-13900KS supports 7.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-13900KS supports up to 192 GB of RAM compared to 128 GB — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-13900KS) vs 28 (Ryzen 9 7950X3D) — the Ryzen 9 7950X3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z790,B760 (Core i9-13900KS) and AMD X670E,AMD X670,AMD B650E,AMD B650 (Ryzen 9 7950X3D).
| Feature | Core i9-13900KS | Ryzen 9 7950X3D |
|---|---|---|
| Socket | LGA1700 | AM5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5600+8% | DDR5-5200 |
| Max RAM Capacity | 192 GB+50% | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 20 | 28+40% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7950X3D supports AVX-512 instructions — important for machine learning and scientific applications. Both support true virtualization. Both include integrated graphics — Intel UHD Graphics 770 (Core i9-13900KS) and Radeon Graphics (Ryzen 9 7950X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core i9-13900KS rivals Ryzen 9 7950X; Ryzen 9 7950X3D rivals Core i9-13900K.
| Feature | Core i9-13900KS | Ryzen 9 7950X3D |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics 770 | Radeon Graphics |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | true | true |
Value Analysis
At launch, the Core i9-13900KS was priced at $699, while the Ryzen 9 7950X3D came in at $699. On launch pricing ($699 vs $699), Ryzen 9 7950X3D was $0 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-13900KS delivers 86.6 pts/$ vs 89.2 pts/$ for the Ryzen 9 7950X3D — making the Ryzen 9 7950X3D the 2.9% better value option.
| Feature | Core i9-13900KS | Ryzen 9 7950X3D |
|---|---|---|
| MSRP | $699 | $699 |
| Performance per Dollar | 86.6 | 89.2+3% |
| Release Date | 2023 | 2023 |
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