Core i3-10100 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 i3-10100 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 i3-10100 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 i3-10100

2020

Why buy it

✅Better for gaming: +16.0% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while U300 needs a discrete GPU.
✅Includes a boxed cooler (Stock), unlike U300.

Trade-offs

❌Smaller total L3 cache (6 MB vs 8 MB).
❌Launch MSRP is still $122 MSRP, while U300 mostly shows up through inconsistent older-market listings.
❌18.2% higher power demand at 65W vs 55W.
❌Older platform position on LGA1200 with DDR4, while U300 moves to FCBGA1744 and DDR5.

U300

2023

Why buy it

✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Draws 55W instead of 65W, a 10W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Core i3-10100 across 50 shared CPU benchmark tests.
❌Lower PassMark (8,492 vs 8,526).
❌No integrated graphics, while Core i3-10100 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i3-10100.

Quick Answers

So, is Core i3-10100 better than U300?

Yes. Core i3-10100 is the better all-around CPU here. It gives you a 16.0% average FPS lead across 50 shared CPU game tests in our data and 0.4% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i3-10100 is the better pick. According to our tests, it delivers 16.0% 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 i3-10100 is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 8 threads.

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

Core i3-10100 is the better buy right now. Core i3-10100 comes in at an unclear MSRP at $122 MSRP versus unclear MSRP, and it still gives you a 16.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (69.9 vs 0.0 PassMark/$), 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 2020), a healthier platform with FCBGA1744 and DDR5 instead of LGA1200, and 33.3% larger total L3 cache (8 MB vs 6 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i3-10100 vs U300 Technical Specifications

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

Core i3-10100

The Core i3-10100 is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake-S (2020) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.3 GHz. L3 cache: 6 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: 8,526 points. Launch price was $130.

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 i3-10100 packs 4 cores / 8 threads, while the U300 offers 5 cores / 6 threads — the U300 has 1 more core. Boost clocks reach 4.3 GHz on the Core i3-10100 versus 4.4 GHz on the U300 — a 2.3% clock advantage for the U300. The Core i3-10100 is built on the Comet Lake-S (2020) architecture. In PassMark, the Core i3-10100 scores 8,526 against the U300's 8,492 — a 0.4% lead for the Core i3-10100. L3 cache: 6 MB (total) on the Core i3-10100 vs 8 MB Intel® Smart Cache on the U300.

Feature	Core i3-10100	U300
Cores / Threads	4 / 8	5 / 6+25%
Boost Clock	4.3 GHz	4.4 GHz+2%
Base Clock	3.6 GHz	—
L3 Cache	6 MB (total)	8 MB Intel® Smart Cache+33%
L2 Cache	256K (per core)	—
Process	14 nm	Intel 7 nm-50%
Architecture	Comet Lake-S (2020)	—
PassMark	8,526	8,492
Cinebench R23 Multi	5,612	—
Geekbench 6 Single	1,430	—
Geekbench 6 Multi	4,300	—

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Memory & Platform

The Core i3-10100 uses the LGA1200 socket (PCIe 3.0), while the U300 uses FCBGA1744 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i3-10100	U300
Socket	LGA1200	FCBGA1744
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i3-10100) / not specified (U300). The Core i3-10100 includes integrated graphics (UHD Graphics 630), while the U300 requires a dedicated GPU. Primary use case: Core i3-10100 targets Gaming. Direct competitor: Core i3-10100 rivals Ryzen 3 3300X.