Core i3-8145U vs Pentium Gold G6405

Core i3-8145U

2 Cores4 Thrd15 WWMax: 3.9 GHz2018

Pentium Gold G6405

2 Cores4 Thrd15 WWMax: 4.1 GHz2021

Performance Spectrum - CPU

Core i3-8145U

2 / 4

3,781

0.0%

3,817

+1.0%

About PassMark

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core i3-8145U is positioned at rank #587 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Core i3-8145U

#184

Core Ultra 7 266V

MSRP: $520|Avg: $520

98%

#575

Atom x5-Z8300

MSRP: $20|Avg: N/A

776%

#576

Atom Z3735G

MSRP: $17|Avg: N/A

765%

#577

Core i5-480M

MSRP: $81|Avg: $77

702%

#578

Core i5-460M

MSRP: $80|Avg: $129

699%

#579

Core i5-2540M

MSRP: $266|Avg: $10

692%

#581

Core i5-450M

MSRP: $32|Avg: $31

669%

#582

Core i3-380M

MSRP: $49|Avg: $25

641%

#583

Core i5-430M

MSRP: N/A|Avg: $33

640%

#584

Core 2 Duo T6600

MSRP: N/A|Avg: $4

623%

#587

Core i3-8145U

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Pentium Gold G6405 delivers superior performance across the board. It outperforms the Core i3-8145U in both compute-intensive tasks (0.9% faster) and gaming workloads.

Insight	Core i3-8145U	Pentium Gold G6405
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm)	✨ Modern (Comet Lake-R (2021) / 14 nm)

💎 Value Proposition

Insight	Core i3-8145U	Pentium Gold G6405
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i3-8145U Benchmark Check

Pentium Gold G6405 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i3-8145U and Pentium Gold G6405

Core i3-8145U

The Core i3-8145U 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 2.1 GHz, with boost up to 3.9 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 3,781 points. Launch price was $281.

Pentium Gold G6405

The Pentium Gold G6405 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 2 cores and 4 threads. Base frequency is 4.1 GHz, with boost up to 4.1 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,817 points. Launch price was $64.

⚡

Processing Power

Both the Core i3-8145U and Pentium Gold G6405 share an identical 2-core/4-thread configuration. Boost clocks reach 3.9 GHz on the Core i3-8145U versus 4.1 GHz on the Pentium Gold G6405 — a 5% clock advantage for the Pentium Gold G6405 (base: 2.1 GHz vs 4.1 GHz). The Core i3-8145U uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the Pentium Gold G6405 uses Comet Lake-R (2021) (14 nm). In PassMark, the Core i3-8145U scores 3,781 against the Pentium Gold G6405's 3,817 — a 0.9% lead for the Pentium Gold G6405. Both processors carry 4 MB (total) of L3 cache.

Feature	Core i3-8145U	Pentium Gold G6405
Cores / Threads	2 / 4	2 / 4
Boost Clock	3.9 GHz	4.1 GHz+5%
Base Clock	2.1 GHz	4.1 GHz+95%
L3 Cache	4 MB (total)	4 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Whiskey Lake-U (2018−2019)	Comet Lake-R (2021)
PassMark	3,781	3,817

🧠

Memory & Platform

The Core i3-8145U uses the FCBGA1528 socket (PCIe 3.0), while the Pentium Gold G6405 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i3-8145U	Pentium Gold G6405
Socket	FCBGA1528	LGA1200
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	❌	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i3-8145U) / not specified (Pentium Gold G6405). The Core i3-8145U includes integrated graphics (UHD Graphics 620), while the Pentium Gold G6405 requires a dedicated GPU. Primary use case: Core i3-8145U targets Mobile.