Core i5-1245U vs Core i5-11400T

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 i5-1245U vs Core i5-11400T 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 i5-1245U vs Core i5-11400T: Pros, Cons & Final Verdict

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

Core i5-1245U

2022

Why buy it

✅Better for gaming: +37.1% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 15W instead of 35W, a 20W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Lower PassMark (12,964 vs 13,034).
❌No boxed cooler included, unlike Core i5-11400T.

Core i5-11400T

2021

Why buy it

✅+0.5% higher PassMark.
✅Includes a boxed cooler (Yes), unlike Core i5-1245U.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-1245U across 50 shared CPU benchmark tests.
❌Launch MSRP is still $182 MSRP, while Core i5-1245U mostly shows up through inconsistent older-market listings.
❌133.3% higher power demand at 35W vs 15W.
❌Older platform position on LGA1200 with DDR4, while Core i5-1245U moves to FCBGA1744 and DDR5.

Quick Answers

So, is Core i5-1245U better than Core i5-11400T?

It depends on what you want from the system. For gaming, Core i5-1245U is ahead with a 37.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-11400T pulls ahead with 0.5% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core i5-11400T is the stronger fit. You are getting 0.5% better PassMark, backed by 6 cores and 12 threads.

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

Core i5-1245U is still the faster CPU overall, but Core i5-11400T is easier to justify if budget matters more than peak performance. Core i5-1245U comes in at an unclear MSRP at unclear MSRP versus $182 MSRP, and it still gives you a 37.1% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i5-11400T is still stronger for heavier multi-core work with 0.5% better PassMark. Core i5-11400T is also 100.0% better value on MSRP (71.6 vs 0.0 PassMark/$), 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 i5-1245U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 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 i5-1245U vs Core i5-11400T Technical Specifications

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

Core i5-1245U

The Core i5-1245U is manufactured by Intel. It was released in 23 February 2022 (3 years ago). It is based on the Alder Lake-U (2022) architecture. It features 10 cores and 12 threads. Base frequency is 1.6 GHz, with boost up to 4.4 GHz. L3 cache: 12 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: DDR4, DDR5. Passmark benchmark score: 12,964 points. Launch price was $149.

Core i5-11400T

The Core i5-11400T is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 6 cores and 12 threads. Base frequency is 1.3 GHz, with boost up to 3.7 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 13,034 points. Launch price was $182.

⚡

Processing Power

The Core i5-1245U packs 10 cores / 12 threads, while the Core i5-11400T offers 6 cores / 12 threads — the Core i5-1245U has 4 more cores. Boost clocks reach 4.4 GHz on the Core i5-1245U versus 3.7 GHz on the Core i5-11400T — a 17.3% clock advantage for the Core i5-1245U (base: 1.6 GHz vs 1.3 GHz). The Core i5-1245U uses the Alder Lake-U (2022) architecture (Intel 7 nm), while the Core i5-11400T uses Rocket Lake (2021) (14 nm). In PassMark, the Core i5-1245U scores 12,964 against the Core i5-11400T's 13,034 — a 0.5% lead for the Core i5-11400T. Geekbench 6 single-core — the metric most relevant to gaming — records 2,150 vs 1,767, a 19.6% lead for the Core i5-1245U that directly translates to higher frame rates. Both processors carry 12 MB (total) of L3 cache.

Feature	Core i5-1245U	Core i5-11400T
Cores / Threads	10 / 12+67%	6 / 12
Boost Clock	4.4 GHz+19%	3.7 GHz
Base Clock	1.6 GHz+23%	1.3 GHz
L3 Cache	12 MB (total)	12 MB (total)
L2 Cache	1.25 MB (per core)	256K (per core)+20380%
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-U (2022)	Rocket Lake (2021)
PassMark	12,964	13,034
Cinebench R23 Multi	—	3,891
Geekbench 6 Single	2,150+22%	1,767
Geekbench 6 Multi	—	6,179

🧠

Memory & Platform

The Core i5-1245U uses the FCBGA1744 socket (PCIe 5.0), while the Core i5-11400T uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5-5200 on the Core i5-1245U versus DDR4-3200 on the Core i5-11400T — the Core i5-1245U supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-11400T supports up to 128 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes.

Feature	Core i5-1245U	Core i5-11400T
Socket	FCBGA1744	LGA1200
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	LPDDR5-5200+63%	DDR4-3200
Max RAM Capacity	64 GB	128 GB+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	20	20

🔧

Advanced Features

Neither processor supports overclocking. Only the Core i5-11400T supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — Iris Xe Graphics 80EU (Core i5-1245U) and UHD 730 (Core i5-11400T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-1245U targets Business Laptop, Core i5-11400T targets Productivity. Direct competitor: Core i5-1245U rivals Ryzen 5 PRO 6650U; Core i5-11400T rivals Core i5-11400.

Feature	Core i5-1245U	Core i5-11400T
Integrated GPU	Yes	Yes
IGPU Model	Iris Xe Graphics 80EU	UHD 730
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, EPT
Target Use	Business Laptop	Productivity