Core i3-10305T vs U300

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 i3-10305T vs 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 i3-10305T vs 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 i3-10305T

2021

Why buy it

✅+0.2% higher PassMark.
✅Draws 35W instead of 55W, a 20W reduction.

Trade-offs

❌Launch MSRP is still $143 MSRP, while U300 mostly shows up through inconsistent older-market listings.
❌Older platform position on LGA1200 with DDR4, while U300 moves to FCBGA1744 and DDR5.

U300

2023

Why buy it

✅Newer platform on FCBGA1744 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Lower PassMark (8,492 vs 8,512).
❌57.1% higher power demand at 55W vs 35W.

Quick Answers

So, is Core i3-10305T better than U300?

It depends on what you want from the system. For gaming, U300 is ahead with a 1.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i3-10305T pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core i3-10305T is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 8 threads.

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

Core i3-10305T is the better buy right now. Core i3-10305T comes in at an unclear MSRP at $143 MSRP versus unclear MSRP, and it still gives you 0.2% better PassMark. The compromise is that U300 is still the better pure gaming CPU with a 1.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (59.5 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

U300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021) 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 i3-10305T vs U300 Technical Specifications

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

Core i3-10305T

The Core i3-10305T is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 4 cores and 8 threads. Base frequency is 3 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 8,512 points. Launch price was $143.

U300

The U300 is manufactured by Intel. It was released in 1 January 2023 (2 years ago). It features 5 cores and 6 threads. Max frequency: 4.4 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 8,492 points. Launch price was $149.

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Processing Power

The Core i3-10305T packs 4 cores / 8 threads, while the U300 offers 5 cores / 6 threads — the U300 has 1 more core. Boost clocks reach 4 GHz on the Core i3-10305T versus 4.4 GHz on the U300 — a 9.5% clock advantage for the U300. The Core i3-10305T is built on the Comet Lake-R (2021) architecture. In PassMark, the Core i3-10305T scores 8,512 against the U300's 8,492 — a 0.2% lead for the Core i3-10305T. L3 cache: 8 MB (total) on the Core i3-10305T vs 8 MB Intel® Smart Cache on the U300.

Feature	Core i3-10305T	U300
Cores / Threads	4 / 8	5 / 6+25%
Boost Clock	4 GHz	4.4 GHz+10%
Base Clock	3 GHz	—
L3 Cache	8 MB (total)	8 MB Intel® Smart Cache
L2 Cache	256 kB (per core)	—
Process	14 nm	Intel 7 nm-50%
Architecture	Comet Lake-R (2021)	—
PassMark	8,512	8,492

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Memory & Platform

The Core i3-10305T uses the LGA1200 socket (PCIe 3.0), while the U300 uses FCBGA1744 (PCIe 4.0) — making them incompatible on the same motherboard.