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 i9-12900KS

2022

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7950X3D across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (27,796 vs 38,581).
❌Lower PassMark per dollar, at 58.9 vs 89.2 PassMark/$ ($739 MSRP vs $699 MSRP).
❌25% higher power demand at 150W vs 120W.

Ryzen 9 7950X3D

2023

Why buy it

✅Better for gaming: +18.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $40 less on MSRP ($699 MSRP vs $739 MSRP).
✅Delivers 51.4% more PassMark for each dollar spent, at 89.2 vs 58.9 PassMark/$ ($699 MSRP vs $739 MSRP).
✅Draws 120W instead of 150W, a 30W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Core i9-12900KS

2022

Ryzen 9 7950X3D

2023

Why buy it

✅Better for gaming: +18.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $40 less on MSRP ($699 MSRP vs $739 MSRP).
✅Delivers 51.4% more PassMark for each dollar spent, at 89.2 vs 58.9 PassMark/$ ($699 MSRP vs $739 MSRP).
✅Draws 120W instead of 150W, a 30W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7950X3D across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (27,796 vs 38,581).
❌Lower PassMark per dollar, at 58.9 vs 89.2 PassMark/$ ($739 MSRP vs $699 MSRP).
❌25% higher power demand at 150W vs 120W.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Ryzen 9 7950X3D better than Core i9-12900KS?

Yes. Ryzen 9 7950X3D is the better overall CPU here. You are getting a 18.1% average FPS lead across 50 shared CPU game tests in our data, 38.8% better Cinebench R23 multi-core, 43.2% higher 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 18.1% more average FPS across 50 shared CPU game tests. It also has a big cache advantage at 128 MB vs 30 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 38.8% better Cinebench R23 multi-core, backed by 16 cores and 32 threads. It also carries the larger cache pool with 326.7% larger total L3 cache (128 MB vs 30 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 $40 cheaper on MSRP at $699 MSRP versus $739 MSRP, and it gives you a 18.1% average FPS lead across 50 shared CPU game tests in our data. It is also 51.4% better value on MSRP (89.2 vs 58.9 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i9-12900KS can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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 2022), 3D V-Cache and a much larger 128 MB L3 cache instead of 30 MB, and more multi-core headroom with 16 cores / 32 threads instead of 16/24. 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.

Core i9-12900KS Benchmark Check

Ryzen 9 7950X3D Benchmark Check

Path of Exile 2

Preset	Core i9-12900KS	Ryzen 9 7950X3D
1080p
low	283 FPS	291 FPS
medium	269 FPS	265 FPS
high	225 FPS	219 FPS
ultra	192 FPS	186 FPS
1440p
low	235 FPS	275 FPS
medium	199 FPS	227 FPS
high	162 FPS	177 FPS
ultra	142 FPS	156 FPS
4K
low	158 FPS	190 FPS
medium	134 FPS	156 FPS
high	104 FPS	120 FPS
ultra	91 FPS	107 FPS

Open Core i9-12900KS Open Ryzen 9 7950X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-12900KS	Ryzen 9 7950X3D
1080p
low	716 FPS	734 FPS
medium	603 FPS	627 FPS
high	501 FPS	465 FPS
ultra	443 FPS	393 FPS
1440p
low	617 FPS	602 FPS
medium	541 FPS	536 FPS
high	454 FPS	413 FPS
ultra	380 FPS	326 FPS
4K
low	363 FPS	338 FPS
medium	326 FPS	305 FPS
high	306 FPS	268 FPS
ultra	263 FPS	229 FPS

Open Core i9-12900KS Open Ryzen 9 7950X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-12900KS	Ryzen 9 7950X3D
1080p
low	866 FPS	1025 FPS
medium	686 FPS	1122 FPS
high	605 FPS	1062 FPS
ultra	502 FPS	875 FPS
1440p
low	748 FPS	936 FPS
medium	602 FPS	845 FPS
high	523 FPS	775 FPS
ultra	441 FPS	656 FPS
4K
low	523 FPS	574 FPS
medium	432 FPS	498 FPS
high	392 FPS	447 FPS
ultra	332 FPS	378 FPS

Open Core i9-12900KS Open Ryzen 9 7950X3D

League of Legends

League of Legends

Valorant

Preset	Core i9-12900KS	Ryzen 9 7950X3D
1080p
low	973 FPS	1082 FPS
medium	879 FPS	973 FPS
high	763 FPS	854 FPS
ultra	693 FPS	766 FPS
1440p
low	812 FPS	853 FPS
medium	723 FPS	751 FPS
high	626 FPS	659 FPS
ultra	556 FPS	569 FPS
4K
low	555 FPS	623 FPS
medium	502 FPS	555 FPS
high	449 FPS	493 FPS
ultra	396 FPS	426 FPS

Open Core i9-12900KS Open Ryzen 9 7950X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-12900KS and Ryzen 9 7950X3D

Core i9-12900KS

The Core i9-12900KS is manufactured by Intel. It was released in 5 April 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 16 cores and 24 threads. Base frequency is 3.4 GHz, with boost up to 5.3 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 150 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 43,528 points. Launch price was $499.

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 i9-12900KS packs 16 cores / 24 threads, matching the Ryzen 9 7950X3D's 16 cores. Boost clocks reach 5.3 GHz on the Core i9-12900KS versus 5.7 GHz on the Ryzen 9 7950X3D — a 7.3% clock advantage for the Ryzen 9 7950X3D (base: 3.4 GHz vs 4.2 GHz). The Core i9-12900KS uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 9 7950X3D uses Raphael (Zen4) (2022−2023) (5 nm, 6 nm). In PassMark, the Core i9-12900KS scores 43,528 against the Ryzen 9 7950X3D's 62,323 — a 35.5% lead for the Ryzen 9 7950X3D. Cinebench R23 multi-core: 27,796 vs 38,581 (32.5% advantage for the Ryzen 9 7950X3D). Geekbench 6 single-core — the metric most relevant to gaming — records 2,082 vs 2,926, a 33.7% lead for the Ryzen 9 7950X3D that directly translates to higher frame rates. L3 cache: 30 MB (total) on the Core i9-12900KS vs 128 MB (total) on the Ryzen 9 7950X3D.

Feature	Core i9-12900KS	Ryzen 9 7950X3D
Cores / Threads	16 / 24	16 / 32
Boost Clock	5.3 GHz	5.7 GHz+8%
Base Clock	3.4 GHz	4.2 GHz+24%
L3 Cache	30 MB (total)	128 MB (total)+327%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm	5 nm, 6 nm-29%
Architecture	Alder Lake-S (2022)	Raphael (Zen4) (2022−2023)
PassMark	43,528	62,323+43%
Cinebench R23 Multi	27,796	38,581+39%
Geekbench 6 Single	2,082	2,926+41%
Geekbench 6 Multi	—	19,643

🧠

Memory & Platform

The Core i9-12900KS uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 7950X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-12900KS) vs 28 (Ryzen 9 7950X3D) — the Ryzen 9 7950X3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1700 (Core i9-12900KS) and AMD X670E,AMD X670,AMD B650E,AMD B650 (Ryzen 9 7950X3D).

Feature	Core i9-12900KS	Ryzen 9 7950X3D
Socket	LGA1700	AM5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-4800	DDR5-5200
Max RAM Capacity	128 GB	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. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i9-12900KS) vs true (Ryzen 9 7950X3D). Both include integrated graphics — UHD 770 (Core i9-12900KS) and Radeon Graphics (Ryzen 9 7950X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Ryzen 9 7950X3D rivals Core i9-13900K.

Feature	Core i9-12900KS	Ryzen 9 7950X3D
Integrated GPU	Yes	Yes
IGPU Model	UHD 770	Radeon Graphics
Unlocked	Yes	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	true

💰

Value Analysis

The Core i9-12900KS launched at $739 MSRP, while the Ryzen 9 7950X3D debuted at $699. On MSRP ($739 vs $699), the Ryzen 9 7950X3D is $40 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-12900KS delivers 58.9 pts/$ vs 89.2 pts/$ for the Ryzen 9 7950X3D — making the Ryzen 9 7950X3D the 40.9% better value option.