
Core i9-9900KS
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Ryzen 9 7950X3D
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Performance Spectrum - CPU
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.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.
Core i9-9900KS
2019Why buy it
- ✅Costs $186 less on MSRP ($513 MSRP vs $699 MSRP).
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 7950X3D across 4 shared CPU benchmark tests.
- ❌Lower PassMark (19,397 vs 62,323).
- ❌Lower PassMark per dollar, at 37.8 vs 89.2 PassMark/$ ($513 MSRP vs $699 MSRP).
- ❌Older platform position on LGA1151 with DDR4, while Ryzen 9 7950X3D moves to AM5 and DDR5.
- ❌No integrated graphics, while Ryzen 9 7950X3D can still boot and troubleshoot without a discrete GPU.
Ryzen 9 7950X3D
2023Why buy it
- ✅Better for gaming: +60.9% higher average FPS across 4 shared CPU benchmark tests.
- ✅Delivers 135.8% more PassMark for each dollar spent, at 89.2 vs 37.8 PassMark/$ ($699 MSRP vs $513 MSRP).
- ✅Draws 120W instead of 127W, a 7W reduction.
- ✅Newer platform on AM5 with DDR5 support instead of LGA1151 and DDR4.
- ✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
Trade-offs
- ❌36.3% HIGHER MSRP$699 MSRPvs$513 MSRP
Core i9-9900KS
2019Ryzen 9 7950X3D
2023Why buy it
- ✅Costs $186 less on MSRP ($513 MSRP vs $699 MSRP).
Why buy it
- ✅Better for gaming: +60.9% higher average FPS across 4 shared CPU benchmark tests.
- ✅Delivers 135.8% more PassMark for each dollar spent, at 89.2 vs 37.8 PassMark/$ ($699 MSRP vs $513 MSRP).
- ✅Draws 120W instead of 127W, a 7W reduction.
- ✅Newer platform on AM5 with DDR5 support instead of LGA1151 and DDR4.
- ✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 7950X3D across 4 shared CPU benchmark tests.
- ❌Lower PassMark (19,397 vs 62,323).
- ❌Lower PassMark per dollar, at 37.8 vs 89.2 PassMark/$ ($513 MSRP vs $699 MSRP).
- ❌Older platform position on LGA1151 with DDR4, while Ryzen 9 7950X3D moves to AM5 and DDR5.
- ❌No integrated graphics, while Ryzen 9 7950X3D can still boot and troubleshoot without a discrete GPU.
Trade-offs
- ❌36.3% HIGHER MSRP$699 MSRPvs$513 MSRP
Quick Answers
So, is Ryzen 9 7950X3D better than Core i9-9900KS?
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?
Games Benchmarks
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2
| Preset | Core i9-9900KS | Ryzen 9 7950X3D |
|---|---|---|
| 1080p | ||
| low | 301 FPS | 291 FPS |
| medium | 273 FPS | 265 FPS |
| high | 228 FPS | 219 FPS |
| ultra | 180 FPS | 186 FPS |
| 1440p | ||
| low | 266 FPS | 275 FPS |
| medium | 218 FPS | 227 FPS |
| high | 177 FPS | 177 FPS |
| ultra | 142 FPS | 156 FPS |
| 4K | ||
| low | 168 FPS | 190 FPS |
| medium | 139 FPS | 156 FPS |
| high | 107 FPS | 120 FPS |
| ultra | 93 FPS | 107 FPS |

Counter-Strike 2
| Preset | Core i9-9900KS | Ryzen 9 7950X3D |
|---|---|---|
| 1080p | ||
| low | 449 FPS | 734 FPS |
| medium | 369 FPS | 627 FPS |
| high | 322 FPS | 465 FPS |
| ultra | 286 FPS | 393 FPS |
| 1440p | ||
| low | 397 FPS | 602 FPS |
| medium | 344 FPS | 536 FPS |
| high | 298 FPS | 413 FPS |
| ultra | 255 FPS | 326 FPS |
| 4K | ||
| low | 267 FPS | 338 FPS |
| medium | 238 FPS | 305 FPS |
| high | 226 FPS | 268 FPS |
| ultra | 192 FPS | 229 FPS |

League of Legends
| Preset | Core i9-9900KS | Ryzen 9 7950X3D |
|---|---|---|
| 1080p | ||
| low | 485 FPS | 1025 FPS |
| medium | 485 FPS | 1122 FPS |
| high | 485 FPS | 1062 FPS |
| ultra | 429 FPS | 875 FPS |
| 1440p | ||
| low | 485 FPS | 936 FPS |
| medium | 485 FPS | 845 FPS |
| high | 454 FPS | 775 FPS |
| ultra | 373 FPS | 656 FPS |
| 4K | ||
| low | 462 FPS | 574 FPS |
| medium | 401 FPS | 498 FPS |
| high | 351 FPS | 447 FPS |
| ultra | 283 FPS | 378 FPS |

Valorant
| Preset | Core i9-9900KS | Ryzen 9 7950X3D |
|---|---|---|
| 1080p | ||
| low | 485 FPS | 1082 FPS |
| medium | 485 FPS | 973 FPS |
| high | 485 FPS | 854 FPS |
| ultra | 485 FPS | 766 FPS |
| 1440p | ||
| low | 485 FPS | 853 FPS |
| medium | 485 FPS | 751 FPS |
| high | 485 FPS | 659 FPS |
| ultra | 485 FPS | 569 FPS |
| 4K | ||
| low | 485 FPS | 623 FPS |
| medium | 485 FPS | 555 FPS |
| high | 440 FPS | 493 FPS |
| ultra | 380 FPS | 426 FPS |
Technical Specifications
Side-by-side comparison of Core i9-9900KS and Ryzen 9 7950X3D

Core i9-9900KS
Core i9-9900KS
The Core i9-9900KS is manufactured by Intel. It was released in 28 October 2019 (6 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 127 Watt. Memory support: DDR4. Passmark benchmark score: 19,397 points. Launch price was $513.


Ryzen 9 7950X3D
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 i9-9900KS packs 8 cores / 16 threads, while the Ryzen 9 7950X3D offers 16 cores / 32 threads — the Ryzen 9 7950X3D has 8 more cores. Boost clocks reach 5 GHz on the Core i9-9900KS versus 5.7 GHz on the Ryzen 9 7950X3D — a 13.1% clock advantage for the Ryzen 9 7950X3D (base: 4 GHz vs 4.2 GHz). The Core i9-9900KS uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 9 7950X3D uses Raphael (Zen4) (2022−2023) (5 nm, 6 nm). In PassMark, the Core i9-9900KS scores 19,397 against the Ryzen 9 7950X3D's 62,323 — a 105.1% lead for the Ryzen 9 7950X3D. L3 cache: 16 MB (total) on the Core i9-9900KS vs 128 MB (total) on the Ryzen 9 7950X3D.
| Feature | Core i9-9900KS | Ryzen 9 7950X3D |
|---|---|---|
| Cores / Threads | 8 / 16 | 16 / 32+100% |
| Boost Clock | 5 GHz | 5.7 GHz+14% |
| Base Clock | 4 GHz | 4.2 GHz+5% |
| L3 Cache | 16 MB (total) | 128 MB (total)+700% |
| L2 Cache | 256 kB (per core) | 1 MB (per core)+300% |
| Process | 14 nm | 5 nm, 6 nm-64% |
| Architecture | Coffee Lake-R (2018−2019) | Raphael (Zen4) (2022−2023) |
| PassMark | 19,397 | 62,323+221% |
| Cinebench R23 Multi | — | 38,581 |
| Geekbench 6 Single | — | 2,926 |
| Geekbench 6 Multi | — | 19,643 |
Memory & Platform
The Core i9-9900KS uses the LGA1151 socket (PCIe 4.0), while the Ryzen 9 7950X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Core i9-9900KS | Ryzen 9 7950X3D |
|---|---|---|
| Socket | LGA1151 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | — | DDR5-5200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | Yes |
| PCIe Lanes | — | 28 |
Advanced Features
Virtualization: not specified (Core i9-9900KS) / true (Ryzen 9 7950X3D). The Ryzen 9 7950X3D includes integrated graphics (Radeon Graphics), while the Core i9-9900KS requires a dedicated GPU. Direct competitor: Ryzen 9 7950X3D rivals Core i9-13900K.
| Feature | Core i9-9900KS | Ryzen 9 7950X3D |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon Graphics |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | — | true |
Value Analysis
The Core i9-9900KS launched at $513 MSRP, while the Ryzen 9 7950X3D debuted at $699. On MSRP ($513 vs $699), the Core i9-9900KS is $186 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-9900KS delivers 37.8 pts/$ vs 89.2 pts/$ for the Ryzen 9 7950X3D — making the Ryzen 9 7950X3D the 80.9% better value option.
| Feature | Core i9-9900KS | Ryzen 9 7950X3D |
|---|---|---|
| MSRP | $513-27% | $699 |
| Performance per Dollar | 37.8 | 89.2+136% |
| Release Date | 2019 | 2023 |
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