Core i3-8145UE vs Core i5-3340S

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 i3-8145UE vs Core i5-3340S 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 i3-8145UE vs Core i5-3340S: Pros, Cons & Final Verdict

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

Core i3-8145UE

2018

Why buy it

✅Draws 15W instead of 65W, a 50W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD 620, while Core i5-3340S needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (4 MB vs 6 MB).
❌Lower PassMark per dollar, at 14.3 vs 21.8 PassMark/$ ($281 MSRP vs $182 MSRP).

Core i5-3340S

2013

Why buy it

✅+50% larger total L3 cache (6 MB vs 4 MB).
✅Costs $99 less on MSRP ($182 MSRP vs $281 MSRP).
✅Delivers 52.1% more PassMark for each dollar spent, at 21.8 vs 14.3 PassMark/$ ($182 MSRP vs $281 MSRP).

Trade-offs

❌Lower PassMark (3,962 vs 4,021).
❌333.3% higher power demand at 65W vs 15W.
❌No integrated graphics, while Core i3-8145UE can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i3-8145UE better than Core i5-3340S?

Yes. Core i3-8145UE is the better all-around CPU here. It gives you a 2.4% average FPS lead across 50 shared CPU game tests in our data, 1.5% 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 i3-8145UE is the better pick. According to our tests, it delivers 2.4% 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 i3-8145UE is the stronger fit. You are getting 1.5% better PassMark, backed by 2 cores and 4 threads.

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

Core i3-8145UE is still the much better call for a fresh build. Core i3-8145UE comes in 54.4% more expensive on MSRP at $281 MSRP versus $182 MSRP, and it still gives you a 2.4% average FPS lead across 50 shared CPU game tests in our data. Core i5-3340S only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2013 platform. Even with 52.1% better value on paper (21.8 vs 14.3 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.

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

Core i3-8145UE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2013) and more multi-core headroom with 2 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i3-8145UE vs Core i5-3340S Technical Specifications

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

Core i3-8145UE

The Core i3-8145UE is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.9 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 10 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 4,021 points. Launch price was $69.

Core i5-3340S

The Core i5-3340S is manufactured by Intel. It was released in 1 July 2013 (12 years ago). It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.3 GHz. L3 cache: 6 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1333, DDR3-1600. Passmark benchmark score: 3,962 points. Launch price was $69.

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Processing Power

The Core i3-8145UE packs 2 cores / 4 threads, while the Core i5-3340S offers 4 cores / 4 threads — the Core i5-3340S has 2 more cores. Boost clocks reach 3.9 GHz on the Core i3-8145UE versus 3.3 GHz on the Core i5-3340S — a 16.7% clock advantage for the Core i3-8145UE (base: 2.2 GHz vs 2.8 GHz). The Core i3-8145UE is built on the Whiskey Lake-U (2018−2019) architecture. In PassMark, the Core i3-8145UE scores 4,021 against the Core i5-3340S's 3,962 — a 1.5% lead for the Core i3-8145UE. L3 cache: 4 MB (total) on the Core i3-8145UE vs 6 MB Intel® Smart Cache on the Core i5-3340S.

Feature	Core i3-8145UE	Core i5-3340S
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	3.9 GHz+18%	3.3 GHz
Base Clock	2.2 GHz	2.8 GHz+27%
L3 Cache	4 MB (total)	6 MB Intel® Smart Cache+50%
L2 Cache	256 kB (per core)	—
Process	10 nm-55%	22 nm
Architecture	Whiskey Lake-U (2018−2019)	—
PassMark	4,021+1%	3,962
Cinebench R23 Multi	2,356	—
Geekbench 6 Single	1,218	—
Geekbench 6 Multi	2,356	—

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Memory & Platform

The Core i3-8145UE uses the FCBGA1528 socket (PCIe 3.0), while the Core i5-3340S uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i3-8145UE	Core i5-3340S
Socket	FCBGA1528	LGA1155
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i3-8145UE) / not specified (Core i5-3340S). The Core i3-8145UE includes integrated graphics (UHD 620), while the Core i5-3340S requires a dedicated GPU. Primary use case: Core i3-8145UE targets Budget. Direct competitor: Core i3-8145UE rivals Ryzen 3 3200U.

Feature	Core i3-8145UE	Core i5-3340S
Integrated GPU	Yes	—
IGPU Model	UHD 620	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Budget	—

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Value Analysis

At launch, the Core i3-8145UE was priced at $281, while the Core i5-3340S came in at $182. On launch pricing ($281 vs $182), Core i5-3340S was $99 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-8145UE delivers 14.3 pts/$ vs 21.8 pts/$ for the Core i5-3340S — making the Core i5-3340S the 41.4% better value option.

Feature	Core i3-8145UE	Core i5-3340S
MSRP	$281	$182-35%
Performance per Dollar	14.3	21.8+52%
Release Date	2018	2013

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