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 Ultra 7 265T 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 Ultra 7 265T: 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

✅+1.2% higher PassMark.

Trade-offs

❌Lower PassMark per dollar, at 69.9 vs 105.9 PassMark/$ ($589 MSRP vs $384 MSRP).
❌257.1% higher power demand at 125W vs 35W.

Core Ultra 7 265T

2025

Why buy it

✅Costs $205 less on MSRP ($384 MSRP vs $589 MSRP).
✅Delivers 51.5% more PassMark for each dollar spent, at 105.9 vs 69.9 PassMark/$ ($384 MSRP vs $589 MSRP).
✅Draws 35W instead of 125W, a 90W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (40,681 vs 41,180).

Quick Answers

So, is Core Ultra 7 265T better than Core i9-12900K?

It depends on what you want from the system. For gaming, Core Ultra 7 265T is ahead with a 2.2% 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 1.2% better PassMark.

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 1.2% better PassMark, backed by 16 cores and 24 threads.

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

Core Ultra 7 265T is the better buy right now. Core Ultra 7 265T comes in $205 cheaper on MSRP at $384 MSRP versus $589 MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i9-12900K is still stronger for heavier multi-core work with 1.2% better PassMark. It is also 51.5% better value on MSRP (105.9 vs 69.9 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i9-12900K can still make sense as a platform-matched option because it avoids a motherboard and RAM swap, but on MSRP alone you would want to find it meaningfully cheaper in real-world listings before that path becomes easy to justify.

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

Core Ultra 7 265T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-12900K vs Core Ultra 7 265T 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 Ultra 7 265T

The Core Ultra 7 265T is manufactured by Intel. It was released in 7 January 2025 (less than a year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 20 cores and 20 threads. Base frequency is 1.5 GHz, with boost up to 5.3 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 35 Watt. Memory support: DDR5-6400. Passmark benchmark score: 40,681 points. Launch price was $384.

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Processing Power

The Core i9-12900K packs 16 cores / 24 threads, while the Core Ultra 7 265T offers 20 cores / 20 threads — the Core Ultra 7 265T has 4 more cores. Boost clocks reach 5.2 GHz on the Core i9-12900K versus 5.3 GHz on the Core Ultra 7 265T — a 1.9% clock advantage for the Core Ultra 7 265T (base: 3.2 GHz vs 1.5 GHz). The Core i9-12900K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Core Ultra 7 265T uses Arrow Lake-S (2024−2025) (3 nm). In PassMark, the Core i9-12900K scores 41,180 against the Core Ultra 7 265T's 40,681 — a 1.2% lead for the Core i9-12900K. Both processors carry 30 MB (total) of L3 cache.

Feature	Core i9-12900K	Core Ultra 7 265T
Cores / Threads	16 / 24	20 / 20+25%
Boost Clock	5.2 GHz	5.3 GHz+2%
Base Clock	3.2 GHz+113%	1.5 GHz
L3 Cache	30 MB (total)	30 MB (total)
L2 Cache	1.25 MB (per core)	3 MB (per core)+140%
Process	10 nm	3 nm-70%
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	Arrow Lake-S (2024−2025)
PassMark	41,180+1%	40,681
Cinebench R23 Multi	—	34,000
Geekbench 6 Single	—	2,954
Geekbench 6 Multi	—	16,455

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Memory & Platform

The Core i9-12900K uses the LGA1700 socket (PCIe 5.0), while the Core Ultra 7 265T uses LGA1851 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i9-12900K versus DDR5-6400 on the Core Ultra 7 265T — the Core Ultra 7 265T supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 7 265T 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 i9-12900K) vs 24 (Core Ultra 7 265T) — the Core Ultra 7 265T offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 600 series,Intel 700 series (Core i9-12900K) and Z890,H870,B860 (Core Ultra 7 265T).

Feature	Core i9-12900K	Core Ultra 7 265T
Socket	LGA1700	LGA1851
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-4800	DDR5-6400+33%
Max RAM Capacity	128 GB	192 GB+50%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	24+20%

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Advanced Features

Virtualization: not specified (Core i9-12900K) / VT-x, VT-d (Core Ultra 7 265T). Both include integrated graphics — Intel UHD Graphics 770 (Core i9-12900K) and Intel Graphics (Xe-LPG 4-core) (Core Ultra 7 265T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core Ultra 7 265T targets High End Desktop.

Feature	Core i9-12900K	Core Ultra 7 265T
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 770	Intel Graphics (Xe-LPG 4-core)
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	VT-x, VT-d
Target Use	—	High End Desktop

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Value Analysis

At launch, the Core i9-12900K was priced at $589, while the Core Ultra 7 265T came in at $384. On launch pricing ($589 vs $384), Core Ultra 7 265T was $205 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-12900K delivers 69.9 pts/$ vs 105.9 pts/$ for the Core Ultra 7 265T — making the Core Ultra 7 265T the 41% better value option.

Feature	Core i9-12900K	Core Ultra 7 265T
MSRP	$589	$384-35%
Performance per Dollar	69.9	105.9+52%
Release Date	2021	2025

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