Core i5-10400F vs Processor U300

Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020
Core family
·······
VS
Intel

Processor U300

5 Cores6 Thrd15 WWMax: 4.4 GHz2023
Similar parts
·······

Core i5-10400F vs Processor U300 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 Processor U300 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 Processor U300: 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

  • Better for gaming: +38.5% higher average FPS across 50 shared CPU benchmark tests.
  • +50% larger total L3 cache (12 MB vs 8 MB).
  • Costs $33 less on MSRP ($160 MSRP vs $193 MSRP).
  • Delivers 76.6% more PassMark for each dollar spent, at 81.4 vs 46.1 PassMark/$ ($160 MSRP vs $193 MSRP).
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • 333.3% higher power demand at 65W vs 15W.
  • Older platform position on LGA1200 with DDR4, while Processor U300 moves to FCBGA1744 and DDR5.

Processor U300

2023

Why buy it

  • Draws 15W instead of 65W, a 50W reduction.
  • Newer platform on FCBGA1744 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-10400F across 50 shared CPU benchmark tests.
  • Lower PassMark (8,897 vs 13,029).
  • Smaller total L3 cache (8 MB vs 12 MB).
  • Lower PassMark per dollar, at 46.1 vs 81.4 PassMark/$ ($193 MSRP vs $160 MSRP).
  • No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i5-10400F better than Processor U300?
Yes. Core i5-10400F is the better all-around CPU here. It gives you a 38.5% average FPS lead across 50 shared CPU game tests in our data and 46.4% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i5-10400F is the better pick. According to our tests, it delivers 38.5% 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 i5-10400F is the stronger fit. You are getting 46.4% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-10400F is the better buy right now. Core i5-10400F comes in $33 cheaper on MSRP at $160 MSRP versus $193 MSRP, and it still gives you a 38.5% average FPS lead across 50 shared CPU game tests in our data. It is also 76.6% better value on MSRP (81.4 vs 46.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Processor U300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020) and a healthier platform with FCBGA1744 and DDR5 instead of LGA1200. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-10400F vs Processor U300 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

Processor U300

The Processor U300 is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 5 cores and 6 threads. Base frequency is 1.2 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 8,897 points. Launch price was $193.

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Processor U300 offers 5 cores / 6 threads — the Core i5-10400F has 1 more core. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 4.4 GHz on the Processor U300 — a 2.3% clock advantage for the Processor U300 (base: 2.9 GHz vs 1.2 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Processor U300 uses Raptor Lake-U (2023) (10 nm). In PassMark, the Core i5-10400F scores 13,029 against the Processor U300's 8,897 — a 37.7% lead for the Core i5-10400F. L3 cache: 12 MB (total) on the Core i5-10400F vs 8 MB (total) on the Processor U300.

FeatureCore i5-10400FProcessor U300
Cores / Threads
6 / 12+20%
5 / 6
Boost Clock
4.3 GHz
4.4 GHz+2%
Base Clock
2.9 GHz+142%
1.2 GHz
L3 Cache
12 MB (total)+50%
8 MB (total)
L2 Cache
256K (per core)+20380%
1.25 MB (per core)
Process
14 nm
10 nm-29%
Architecture
Comet Lake (2020−2025)
Raptor Lake-U (2023)
PassMark
13,029+46%
8,897
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 Processor U300 uses FCBGA1744 (PCIe 5.0) — making them incompatible on the same motherboard.

FeatureCore i5-10400FProcessor U300
Socket
LGA1200
FCBGA1744
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-2666
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i5-10400F) / not specified (Processor U300). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

FeatureCore i5-10400FProcessor U300
Integrated GPU
No
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Gaming
💰

Value Analysis

At launch, the Core i5-10400F was priced at $160, while the Processor U300 came in at $193. On launch pricing ($160 vs $193), Core i5-10400F was $33 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 46.1 pts/$ for the Processor U300 — making the Core i5-10400F the 55.4% better value option.

FeatureCore i5-10400FProcessor U300
MSRP
$160-17%
$193
Performance per Dollar
81.4+77%
46.1
Release Date
2020
2023

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.