Core i9-12900KF vs Core Ultra 5 245

Intel

Core i9-12900KF

16 Cores24 Thrd125 WWMax: 5.2 GHz2021

Popular choices:

VS
Intel

Core Ultra 5 245

14 Cores14 Thrd65 WWMax: 5.1 GHz2025

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 i9-12900KF

2021

Why buy it

  • +1.7% higher PassMark.
  • +25% larger total L3 cache (30 MB vs 24 MB).

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 5 245 across 4 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 72.4 vs 125.9 PassMark/$ ($564 MSRP vs $319 MSRP).
  • 92.3% higher power demand at 125W vs 65W.
  • No integrated graphics, while Core Ultra 5 245 can still boot and troubleshoot without a discrete GPU.

Core Ultra 5 245

2025

Why buy it

  • Better for gaming: +11.6% higher average FPS across 4 shared CPU benchmark tests.
  • Costs $245 less on MSRP ($319 MSRP vs $564 MSRP).
  • Delivers 73.8% more PassMark for each dollar spent, at 125.9 vs 72.4 PassMark/$ ($319 MSRP vs $564 MSRP).
  • Draws 65W instead of 125W, a 60W reduction.
  • Integrated graphics onboard with Intel Arc Xe-LPG Graphics, while Core i9-12900KF needs a discrete GPU.

Trade-offs

  • Lower PassMark (40,165 vs 40,858).
  • Smaller total L3 cache (24 MB vs 30 MB).

Quick Answers

So, is Core Ultra 5 245 better than Core i9-12900KF?
It depends on what matters more to you. For gaming, Core Ultra 5 245 is ahead with a 11.6% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-12900KF pulls ahead with 1.7% better PassMark. Core i9-12900KF also has the bigger cache pool with 25% larger total L3 cache (30 MB vs 24 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i9-12900KF is the better fit. You are getting 1.7% better PassMark, backed by 16 cores and 24 threads. It also carries the larger cache pool with 25% larger total L3 cache (30 MB vs 24 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 5 245 is the smarter buy today. Core Ultra 5 245 is $245 cheaper on MSRP at $319 MSRP versus $564 MSRP, and it gives you a 11.6% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Core i9-12900KF is still stronger for heavier multi-core work with 1.7% better PassMark. It is also 73.8% better value on MSRP (125.9 vs 72.4 PassMark/$), 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 i9-12900KF 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 5 245 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021). 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 i9-12900KFCore Ultra 5 245
1080p
low272 FPS278 FPS
medium261 FPS263 FPS
high215 FPS222 FPS
ultra185 FPS189 FPS
1440p
low233 FPS230 FPS
medium199 FPS194 FPS
high159 FPS158 FPS
ultra140 FPS138 FPS
4K
low160 FPS153 FPS
medium137 FPS128 FPS
high106 FPS100 FPS
ultra94 FPS88 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i9-12900KFCore Ultra 5 245
1080p
low638 FPS668 FPS
medium541 FPS564 FPS
high454 FPS469 FPS
ultra415 FPS429 FPS
1440p
low546 FPS579 FPS
medium483 FPS509 FPS
high408 FPS426 FPS
ultra354 FPS369 FPS
4K
low321 FPS342 FPS
medium291 FPS306 FPS
high276 FPS291 FPS
ultra245 FPS256 FPS
League of Legends

League of Legends

PresetCore i9-12900KFCore Ultra 5 245
1080p
low776 FPS845 FPS
medium620 FPS689 FPS
high545 FPS613 FPS
ultra462 FPS525 FPS
1440p
low692 FPS730 FPS
medium560 FPS598 FPS
high487 FPS519 FPS
ultra416 FPS441 FPS
4K
low499 FPS505 FPS
medium418 FPS425 FPS
high379 FPS383 FPS
ultra320 FPS324 FPS
Valorant

Valorant

PresetCore i9-12900KFCore Ultra 5 245
1080p
low911 FPS1004 FPS
medium824 FPS956 FPS
high712 FPS834 FPS
ultra642 FPS758 FPS
1440p
low781 FPS865 FPS
medium695 FPS764 FPS
high601 FPS663 FPS
ultra531 FPS589 FPS
4K
low535 FPS585 FPS
medium484 FPS525 FPS
high433 FPS472 FPS
ultra379 FPS417 FPS

Technical Specifications

Side-by-side comparison of Core i9-12900KF and Core Ultra 5 245

Intel

Core i9-12900KF

The Core i9-12900KF 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 Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 40,858 points. Launch price was $564.

Intel

Core Ultra 5 245

The Core Ultra 5 245 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 14 cores and 14 threads. Base frequency is 3.5 GHz, with boost up to 5.1 GHz. L3 cache: 24 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 65 Watt. Memory support: DDR5-6400. Passmark benchmark score: 40,165 points. Launch price was $270.

Processing Power

The Core i9-12900KF packs 16 cores / 24 threads, while the Core Ultra 5 245 offers 14 cores / 14 threads — the Core i9-12900KF has 2 more cores. Boost clocks reach 5.2 GHz on the Core i9-12900KF versus 5.1 GHz on the Core Ultra 5 245 — a 1.9% clock advantage for the Core i9-12900KF (base: 3.2 GHz vs 3.5 GHz). The Core i9-12900KF uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (Intel 7 nm), while the Core Ultra 5 245 uses Arrow Lake-S (2024−2025) (3 nm). In PassMark, the Core i9-12900KF scores 40,858 against the Core Ultra 5 245's 40,165 — a 1.7% lead for the Core i9-12900KF. L3 cache: 30 MB (total) on the Core i9-12900KF vs 24 MB (total) on the Core Ultra 5 245.

FeatureCore i9-12900KFCore Ultra 5 245
Cores / Threads
16 / 24+14%
14 / 14
Boost Clock
5.2 GHz+2%
5.1 GHz
Base Clock
3.2 GHz
3.5 GHz+9%
L3 Cache
30 MB (total)+25%
24 MB (total)
L2 Cache
1.25 MB (per core)
3 MB (per core)+140%
Process
Intel 7 nm
3 nm-57%
Architecture
Alder Lake, Golden Cove, Gracemont (2021)
Arrow Lake-S (2024−2025)
PassMark
40,858+2%
40,165
Cinebench R23 Multi
27,472
Geekbench 6 Single
2,585
Geekbench 6 Multi
15,300
🧠

Memory & Platform

The Core i9-12900KF uses the LGA1700 socket (PCIe 5.0), while the Core Ultra 5 245 uses LGA1851 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i9-12900KF versus 6400 on the Core Ultra 5 245 — the Core Ultra 5 245 supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 5 245 supports up to 256 of RAM compared to 128 GB 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: Z690,Z790,B660,B760 (Core i9-12900KF) and Z890,B860 (Core Ultra 5 245).

FeatureCore i9-12900KFCore Ultra 5 245
Socket
LGA1700
LGA1851
PCIe Generation
PCIe 5.0
PCIe 5.0
Max RAM Speed
DDR5-4800, DDR4-3200
6400+127900%
Max RAM Capacity
128 GB+52428700%
256
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
20
20
🔧

Advanced Features

Only the Core i9-12900KF has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d, EPT (Core i9-12900KF) vs VT-x, VT-d (Core Ultra 5 245). The Core Ultra 5 245 includes integrated graphics (Intel Arc Xe-LPG Graphics), while the Core i9-12900KF requires a dedicated GPU. Primary use case: Core i9-12900KF targets Extreme Gaming / Content Creation. Direct competitor: Core i9-12900KF rivals Ryzen 9 5950X; Core Ultra 5 245 rivals Ryzen 5 9600X.

FeatureCore i9-12900KFCore Ultra 5 245
Integrated GPU
No
Yes
IGPU Model
Intel Arc Xe-LPG Graphics
Unlocked
Yes
No
AVX-512
No
No
Virtualization
VT-x, VT-d, EPT
VT-x, VT-d
Target Use
Extreme Gaming / Content Creation
💰

Value Analysis

The Core i9-12900KF launched at $564 MSRP, while the Core Ultra 5 245 debuted at $319. On MSRP ($564 vs $319), the Core Ultra 5 245 is $245 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-12900KF delivers 72.4 pts/$ vs 125.9 pts/$ for the Core Ultra 5 245 — making the Core Ultra 5 245 the 53.9% better value option.

FeatureCore i9-12900KFCore Ultra 5 245
MSRP
$564
$319-43%
Performance per Dollar
72.4
125.9+74%
Release Date
2021
2025