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 i9-12900K vs Core i9-13950HX 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.

Core i9-12900K vs Core i9-13950HX: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-12900K

2021

Why buy it

✅+0.4% higher PassMark.
✅Costs $1 less on MSRP ($589 MSRP vs $590 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-13950HX across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (30 MB vs 36 MB).
❌127.3% higher power demand at 125W vs 55W.

Core i9-13950HX

2023

Why buy it

✅Better for gaming: +8.2% higher average FPS across 50 shared CPU benchmark tests.
✅+20% larger total L3 cache (36 MB vs 30 MB).
✅Draws 55W instead of 125W, a 70W reduction.

Trade-offs

❌Lower PassMark (41,012 vs 41,180).
❌
0.2% HIGHER MSRP
$590 MSRPvs$589 MSRP

Quick Answers

So, is Core i9-13950HX better than Core i9-12900K?

It depends on what you want from the system. For gaming, Core i9-13950HX is ahead with a 8.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-12900K pulls ahead with 0.4% better PassMark. Core i9-13950HX also has the bigger cache pool with 20% larger total L3 cache (36 MB vs 30 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-12900K is the stronger fit. You are getting 0.4% better PassMark, backed by 16 cores and 24 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i9-13950HX is still the faster CPU overall, but Core i9-12900K is easier to justify if budget matters more than peak performance. Core i9-13950HX comes in 0.2% more expensive on MSRP at $590 MSRP versus $589 MSRP, and it still gives you a 8.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i9-12900K is still stronger for heavier multi-core work with 0.4% better PassMark. Core i9-12900K is also 0.6% better value on MSRP (69.9 vs 69.5 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

Which one is more future-proof for 2026 and beyond?

Core i9-13950HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021) and 20% larger total L3 cache (36 MB vs 30 MB). That makes it the safer long-term bet.

Core i9-12900K vs Core i9-13950HX Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-12900K

The Core i9-12900K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 16 cores and 24 threads. Base frequency is 3.2 GHz, with boost up to 5.2 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 41,180 points. Launch price was $589.

Core i9-13950HX

The Core i9-13950HX is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-HX (2023) architecture. It features 24 cores and 32 threads. Base frequency is 2.2 GHz, with boost up to 5.5 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 41,012 points. Launch price was $590.

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Processing Power

The Core i9-12900K packs 16 cores / 24 threads, while the Core i9-13950HX offers 24 cores / 32 threads — the Core i9-13950HX has 8 more cores. Boost clocks reach 5.2 GHz on the Core i9-12900K versus 5.5 GHz on the Core i9-13950HX — a 5.6% clock advantage for the Core i9-13950HX (base: 3.2 GHz vs 2.2 GHz). The Core i9-12900K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Core i9-13950HX uses Raptor Lake-HX (2023) (Intel 7 nm). In PassMark, the Core i9-12900K scores 41,180 against the Core i9-13950HX's 41,012 — a 0.4% lead for the Core i9-12900K. L3 cache: 30 MB (total) on the Core i9-12900K vs 36 MB (total) on the Core i9-13950HX.

Feature	Core i9-12900K	Core i9-13950HX
Cores / Threads	16 / 24	24 / 32+50%
Boost Clock	5.2 GHz	5.5 GHz+6%
Base Clock	3.2 GHz+45%	2.2 GHz
L3 Cache	30 MB (total)	36 MB (total)+20%
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	10 nm	Intel 7 nm-30%
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	Raptor Lake-HX (2023)
PassMark	41,180	41,012

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Memory & Platform

The Core i9-12900K uses the LGA1700 socket (PCIe 5.0), while the Core i9-13950HX uses FCBGA1964 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i9-12900K versus 5600 on the Core i9-13950HX — the Core i9-13950HX supports 16.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-13950HX 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. Both provide 20 PCIe lanes. Chipset compatibility: Intel 600 series,Intel 700 series (Core i9-12900K) and Raptor Lake-HX (Core i9-13950HX).

Feature	Core i9-12900K	Core i9-13950HX
Socket	LGA1700	FCBGA1964
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-4800	5600+17%
Max RAM Capacity	128 GB	192 GB+50%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	20

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Advanced Features

Virtualization: not specified (Core i9-12900K) / VT-x, VT-d (Core i9-13950HX). Both include integrated graphics — Intel UHD Graphics 770 (Core i9-12900K) and Intel UHD Graphics (Core i9-13950HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core i9-13950HX rivals M3 Max 16-Core.

Feature	Core i9-12900K	Core i9-13950HX
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 770	Intel UHD Graphics
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	—	VT-x, VT-d

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Value Analysis

At launch, the Core i9-12900K was priced at $589, while the Core i9-13950HX came in at $590. On launch pricing ($589 vs $590), Core i9-12900K was $1 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-12900K delivers 69.9 pts/$ vs 69.5 pts/$ for the Core i9-13950HX — making the Core i9-12900K the 0.6% better value option.

Feature	Core i9-12900K	Core i9-13950HX
MSRP	$589	$590
Performance per Dollar	69.9	69.5
Release Date	2021	2023

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