Core i5-10400F vs Core Ultra 5 245KF

Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020
Core family
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VS
Intel

Core Ultra 5 245KF

14 Cores14 Thrd125 WWMax: 5.2 GHz2024
Core Ultra family
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Core i5-10400F vs Core Ultra 5 245KF Performance Spectrum

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.

Core i5-10400F vs Core Ultra 5 245KF 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 i5-10400F vs Core Ultra 5 245KF: Pros, Cons & Final Verdict

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

Core i5-10400F

2020

Why buy it

  • Costs $134 less on MSRP ($160 MSRP vs $294 MSRP).
  • Draws 65W instead of 125W, a 60W reduction.
  • Includes a boxed cooler (Yes), unlike Core Ultra 5 245KF.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 5 245KF across 50 shared CPU benchmark tests.
  • Lower PassMark (13,029 vs 43,424).
  • Smaller total L3 cache (12 MB vs 24 MB).
  • Lower PassMark per dollar, at 81.4 vs 147.7 PassMark/$ ($160 MSRP vs $294 MSRP).
  • Older platform position on LGA1200 with DDR4, while Core Ultra 5 245KF moves to LGA1851 and DDR5.

Core Ultra 5 245KF

2024

Why buy it

  • Better for gaming: +45.6% higher average FPS across 50 shared CPU benchmark tests.
  • +100% larger total L3 cache (24 MB vs 12 MB).
  • Delivers 81.4% more PassMark for each dollar spent, at 147.7 vs 81.4 PassMark/$ ($294 MSRP vs $160 MSRP).
  • Newer platform on LGA1851 with DDR5 support instead of LGA1200 and DDR4.
  • 25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • 83.8% HIGHER MSRP
    $294 MSRPvs$160 MSRP
  • 92.3% higher power demand at 125W vs 65W.
  • No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core Ultra 5 245KF better than Core i5-10400F?
Yes. Core Ultra 5 245KF is the better all-around CPU here. It gives you a 45.6% average FPS lead across 50 shared CPU game tests in our data, 233.3% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core Ultra 5 245KF is the better pick. According to our tests, it delivers 45.6% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core Ultra 5 245KF is the stronger fit. You are getting 233.3% better PassMark, backed by 14 cores and 14 threads. It also has the larger cache pool with 100% larger total L3 cache (24 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 5 245KF is the better buy right now. Core Ultra 5 245KF comes in 83.8% more expensive on MSRP at $294 MSRP versus $160 MSRP, and it still gives you a 45.6% average FPS lead across 50 shared CPU game tests in our data. It is also 81.4% better value on MSRP (147.7 vs 81.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i5-10400F 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?
Core Ultra 5 245KF makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with LGA1851 and DDR5 instead of LGA1200, 100% larger total L3 cache (24 MB vs 12 MB), and more multi-core headroom with 14 cores / 14 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-10400F vs Core Ultra 5 245KF Technical Specifications

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

Intel

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

Intel

Core Ultra 5 245KF

The Core Ultra 5 245KF is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 14 cores and 14 threads. Base frequency is 4.2 GHz, with boost up to 5.2 GHz. L3 cache: 24 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 43,424 points. Launch price was $294.

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Core Ultra 5 245KF offers 14 cores / 14 threads — the Core Ultra 5 245KF has 8 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 5.2 GHz on the Core Ultra 5 245KF — a 18.9% clock advantage for the Core Ultra 5 245KF (base: 2.9 GHz vs 4.2 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Core Ultra 5 245KF uses Arrow Lake-S (2024−2025) (3 nm). In PassMark, the Core i5-10400F scores 13,029 against the Core Ultra 5 245KF's 43,424 — a 107.7% lead for the Core Ultra 5 245KF. L3 cache: 12 MB (total) on the Core i5-10400F vs 24 MB (total) on the Core Ultra 5 245KF.

FeatureCore i5-10400FCore Ultra 5 245KF
Cores / Threads
6 / 12
14 / 14+133%
Boost Clock
4.3 GHz
5.2 GHz+21%
Base Clock
2.9 GHz
4.2 GHz+45%
L3 Cache
12 MB (total)
24 MB (total)+100%
L2 Cache
256K (per core)+8433%
3 MB (per core)
Process
14 nm
3 nm-79%
Architecture
Comet Lake (2020−2025)
Arrow Lake-S (2024−2025)
PassMark
13,029
43,424+233%
Cinebench R23 Multi
8,191
Geekbench 6 Single
1,454
Geekbench 6 Multi
5,783
🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Core Ultra 5 245KF uses LGA1851 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus 6400 on the Core Ultra 5 245KF — the Core Ultra 5 245KF supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 5 245KF 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: 16 (Core i5-10400F) vs 20 (Core Ultra 5 245KF) — the Core Ultra 5 245KF offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and Z890,B860 (Core Ultra 5 245KF).

FeatureCore i5-10400FCore Ultra 5 245KF
Socket
LGA1200
LGA1851
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-2666
6400+140%
Max RAM Capacity
128 GB
192 GB+50%
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
16
20+25%
🔧

Advanced Features

Only the Core Ultra 5 245KF has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. The Core Ultra 5 245KF includes integrated graphics (Intel Graphics (4 Xe-cores)), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Core Ultra 5 245KF rivals Ryzen 5 9600X.

FeatureCore i5-10400FCore Ultra 5 245KF
Integrated GPU
No
Yes
IGPU Model
Intel Graphics (4 Xe-cores)
Unlocked
No
Yes
AVX-512
No
No
Virtualization
VT-x, VT-d
VT-x, VT-d
Target Use
Gaming
💰

Value Analysis

At launch, the Core i5-10400F was priced at $160, while the Core Ultra 5 245KF came in at $294. On launch pricing ($160 vs $294), Core i5-10400F was $134 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 147.7 pts/$ for the Core Ultra 5 245KF — making the Core Ultra 5 245KF the 57.8% better value option.

FeatureCore i5-10400FCore Ultra 5 245KF
MSRP
$160-46%
$294
Performance per Dollar
81.4
147.7+81%
Release Date
2020
2024

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