Core i3-13100T vs Core i5-1245U

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 i3-13100T vs Core i5-1245U 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 i3-13100T vs Core i5-1245U: Pros, Cons & Final Verdict

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

Core i3-13100T

2023

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-1245U across 50 shared CPU benchmark tests.
❌Lower PassMark (12,798 vs 12,964).
❌Launch MSRP is still $134 MSRP, while Core i5-1245U mostly shows up through inconsistent older-market listings.
❌133.3% higher power demand at 35W vs 15W.
❌No integrated graphics, while Core i5-1245U can still boot and troubleshoot without a discrete GPU.

Core i5-1245U

2022

Why buy it

✅Better for gaming: +25.1% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 15W instead of 35W, a 20W reduction.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Iris Xe Graphics 80EU, while Core i3-13100T needs a discrete GPU.

Trade-offs

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

Quick Answers

So, is Core i5-1245U better than Core i3-13100T?

Yes. Core i5-1245U is the better all-around CPU here. It gives you a 25.1% average FPS lead across 50 shared CPU game tests in our data and 1.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i5-1245U is the better pick. According to our tests, it delivers 25.1% 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 i5-1245U is the stronger fit. You are getting 1.3% better PassMark, backed by 10 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 i3-13100T is easier to justify if budget matters more than peak performance. Core i5-1245U comes in at an unclear MSRP at unclear MSRP versus $134 MSRP, and it still gives you a 25.1% average FPS lead across 50 shared CPU game tests in our data. Core i3-13100T is also 100.0% better value on MSRP (95.5 vs 0.0 PassMark/$), 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 i3-13100T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022). That makes it the safer long-term bet.

Core i3-13100T vs Core i5-1245U Technical Specifications

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

Core i3-13100T

The Core i3-13100T is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 4.2 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 35 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 12,798 points. Launch price was $134.

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.

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Processing Power

The Core i3-13100T packs 4 cores / 8 threads, while the Core i5-1245U offers 10 cores / 12 threads — the Core i5-1245U has 6 more cores. Boost clocks reach 4.2 GHz on the Core i3-13100T versus 4.4 GHz on the Core i5-1245U — a 4.7% clock advantage for the Core i5-1245U (base: 2.5 GHz vs 1.6 GHz). The Core i3-13100T uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Core i5-1245U uses Alder Lake-U (2022) (Intel 7 nm). In PassMark, the Core i3-13100T scores 12,798 against the Core i5-1245U's 12,964 — a 1.3% lead for the Core i5-1245U. Both processors carry 12 MB (total) of L3 cache.

Feature	Core i3-13100T	Core i5-1245U
Cores / Threads	4 / 8	10 / 12+150%
Boost Clock	4.2 GHz	4.4 GHz+5%
Base Clock	2.5 GHz+56%	1.6 GHz
L3 Cache	12 MB (total)	12 MB (total)
L2 Cache	1.25 MB (per core)	1.25 MB (per core)
Process	Intel 7 nm	Intel 7 nm
Architecture	Raptor Lake-S (2023−2024)	Alder Lake-U (2022)
PassMark	12,798	12,964+1%
Geekbench 6 Single	—	2,150

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Memory & Platform

The Core i3-13100T uses the LGA1700 socket (PCIe 5.0), while the Core i5-1245U uses FCBGA1744 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i3-13100T	Core i5-1245U
Socket	LGA1700	FCBGA1744
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	—	LPDDR5-5200
Max RAM Capacity	—	64 GB
RAM Channels	—	2
ECC Support	—	No
PCIe Lanes	—	20

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Advanced Features

Virtualization: not specified (Core i3-13100T) / VT-x, VT-d, EPT (Core i5-1245U). The Core i5-1245U includes integrated graphics (Iris Xe Graphics 80EU), while the Core i3-13100T requires a dedicated GPU. Primary use case: Core i5-1245U targets Business Laptop. Direct competitor: Core i5-1245U rivals Ryzen 5 PRO 6650U.