Core i9-9900KS vs Ryzen 9 7950X3D

Intel

Core i9-9900KS

8 Cores16 Thrd127 WWMax: 5 GHz2019

Popular choices:

Ryzen 9 7950X3D
VS
AMD

Ryzen 9 7950X3D

16 Cores32 Thrd120 WWMax: 5.7 GHz2023

Popular choices:

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

2019

Why 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

2023

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

  • 36.3% HIGHER MSRP
    $699 MSRPvs$513 MSRP

Quick Answers

So, is Ryzen 9 7950X3D better than Core i9-9900KS?
Yes. Ryzen 9 7950X3D is the better overall CPU here. You are getting a 60.9% average FPS lead across 4 shared CPU game tests in our data, 221.3% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen 9 7950X3D is the better pick here. According to our tests, it delivers 60.9% more average FPS across 4 shared CPU game tests. It also has a big cache advantage at 128 MB vs 16 MB.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 7950X3D is the better fit. You are getting 221.3% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 700% larger total L3 cache (128 MB vs 16 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 7950X3D is the smarter buy today. Ryzen 9 7950X3D is 36.3% more expensive on MSRP at $699 MSRP versus $513 MSRP, and it gives you a 60.9% average FPS lead across 4 shared CPU game tests in our data. It is also 135.8% better value on MSRP (89.2 vs 37.8 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 7950X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with AM5 and DDR5 instead of LGA1151, 3D V-Cache and a much larger 128 MB L3 cache instead of 16 MB, and more multi-core headroom with 16 cores / 32 threads instead of 8/16. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

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

Path of Exile 2

PresetCore i9-9900KSRyzen 9 7950X3D
1080p
low301 FPS291 FPS
medium273 FPS265 FPS
high228 FPS219 FPS
ultra180 FPS186 FPS
1440p
low266 FPS275 FPS
medium218 FPS227 FPS
high177 FPS177 FPS
ultra142 FPS156 FPS
4K
low168 FPS190 FPS
medium139 FPS156 FPS
high107 FPS120 FPS
ultra93 FPS107 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i9-9900KSRyzen 9 7950X3D
1080p
low449 FPS734 FPS
medium369 FPS627 FPS
high322 FPS465 FPS
ultra286 FPS393 FPS
1440p
low397 FPS602 FPS
medium344 FPS536 FPS
high298 FPS413 FPS
ultra255 FPS326 FPS
4K
low267 FPS338 FPS
medium238 FPS305 FPS
high226 FPS268 FPS
ultra192 FPS229 FPS
League of Legends

League of Legends

PresetCore i9-9900KSRyzen 9 7950X3D
1080p
low485 FPS1025 FPS
medium485 FPS1122 FPS
high485 FPS1062 FPS
ultra429 FPS875 FPS
1440p
low485 FPS936 FPS
medium485 FPS845 FPS
high454 FPS775 FPS
ultra373 FPS656 FPS
4K
low462 FPS574 FPS
medium401 FPS498 FPS
high351 FPS447 FPS
ultra283 FPS378 FPS
Valorant

Valorant

PresetCore i9-9900KSRyzen 9 7950X3D
1080p
low485 FPS1082 FPS
medium485 FPS973 FPS
high485 FPS854 FPS
ultra485 FPS766 FPS
1440p
low485 FPS853 FPS
medium485 FPS751 FPS
high485 FPS659 FPS
ultra485 FPS569 FPS
4K
low485 FPS623 FPS
medium485 FPS555 FPS
high440 FPS493 FPS
ultra380 FPS426 FPS

Technical Specifications

Side-by-side comparison of Core i9-9900KS and Ryzen 9 7950X3D

Intel

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.

AMD

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.

FeatureCore i9-9900KSRyzen 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.

FeatureCore i9-9900KSRyzen 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.

FeatureCore i9-9900KSRyzen 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.

FeatureCore i9-9900KSRyzen 9 7950X3D
MSRP
$513-27%
$699
Performance per Dollar
37.8
89.2+136%
Release Date
2019
2023