Core i3-1305U vs Core i3-10305T

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 i3-1305U vs Core i3-10305T 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 i3-1305U vs Core i3-10305T: Pros, Cons & Final Verdict

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

Core i3-1305U

2023

Why buy it

✅Better for gaming: +4.1% higher average FPS across 50 shared CPU benchmark tests.
✅+25% larger total L3 cache (10 MB vs 8 MB).
✅Draws 15W instead of 35W, a 20W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of LGA1200 and DDR4.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Core i3-10305T

2021

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core i3-1305U across 50 shared CPU benchmark tests.
❌Lower PassMark (8,512 vs 8,634).
❌Smaller total L3 cache (8 MB vs 10 MB).
❌Launch MSRP is still $143 MSRP, while Core i3-1305U mostly shows up through inconsistent older-market listings.
❌133.3% higher power demand at 35W vs 15W.

Quick Answers

So, is Core i3-1305U better than Core i3-10305T?

Yes. Core i3-1305U is the better all-around CPU here. It gives you a 4.1% average FPS lead across 50 shared CPU game tests in our data, 1.4% 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 i3-1305U is the better pick. According to our tests, it delivers 4.1% 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 i3-1305U is the stronger fit. You are getting 1.4% better PassMark, backed by 5 cores and 6 threads. It also has the larger cache pool with 25% larger total L3 cache (10 MB vs 8 MB).

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

Core i3-1305U is still the faster CPU overall, but Core i3-10305T is easier to justify if budget matters more than peak performance. Core i3-1305U comes in at an unclear MSRP at unclear MSRP versus $143 MSRP, and it still gives you a 4.1% average FPS lead across 50 shared CPU game tests in our data. Core i3-10305T is also 100.0% better value on MSRP (59.5 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core i3-1305U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with FCBGA1744 and DDR5 instead of LGA1200, 25% larger total L3 cache (10 MB vs 8 MB), and more multi-core headroom with 5 cores / 6 threads instead of 4/8. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i3-1305U vs Core i3-10305T Technical Specifications

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

Core i3-1305U

The Core i3-1305U 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 1.6 GHz, with boost up to 4.5 GHz. L3 cache: 10 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 8,634 points. Launch price was $309.

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.

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Processing Power

The Core i3-1305U packs 5 cores / 6 threads, while the Core i3-10305T offers 4 cores / 8 threads — the Core i3-1305U has 1 more core. Boost clocks reach 4.5 GHz on the Core i3-1305U versus 4 GHz on the Core i3-10305T — a 11.8% clock advantage for the Core i3-1305U (base: 1.6 GHz vs 3 GHz). The Core i3-1305U uses the Raptor Lake-U (2023) architecture (Intel 7 nm), while the Core i3-10305T uses Comet Lake-R (2021) (14 nm). In PassMark, the Core i3-1305U scores 8,634 against the Core i3-10305T's 8,512 — a 1.4% lead for the Core i3-1305U. L3 cache: 10 MB (total) on the Core i3-1305U vs 8 MB (total) on the Core i3-10305T.

Feature	Core i3-1305U	Core i3-10305T
Cores / Threads	5 / 6+25%	4 / 8
Boost Clock	4.5 GHz+13%	4 GHz
Base Clock	1.6 GHz	3 GHz+87%
L3 Cache	10 MB (total)+25%	8 MB (total)
L2 Cache	1.25 MB (per core)+400%	256 kB (per core)
Process	Intel 7 nm-50%	14 nm
Architecture	Raptor Lake-U (2023)	Comet Lake-R (2021)
PassMark	8,634+1%	8,512
Cinebench R23 Multi	4,388	—
Geekbench 6 Single	1,960	—
Geekbench 6 Multi	1,900	—

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Memory & Platform

The Core i3-1305U uses the FCBGA1744 socket (PCIe 5.0), while the Core i3-10305T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i3-1305U	Core i3-10305T
Socket	FCBGA1744	LGA1200
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	DDR5-5200	—
Max RAM Capacity	96 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i3-1305U) / not specified (Core i3-10305T). The Core i3-1305U includes integrated graphics (Intel UHD Graphics), while the Core i3-10305T requires a dedicated GPU. Primary use case: Core i3-1305U targets Budget Laptop.