Pentium Gold G6405 vs Core i5-6287U

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. 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

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i5-6287U

#458

Atom x5-Z8300

MSRP: $20|Avg: N/A

618%

#459

Atom Z3735G

MSRP: $17|Avg: N/A

609%

#460

Core i5-480M

MSRP: $81|Avg: $77

559%

#461

Core i5-460M

MSRP: $80|Avg: $129

556%

#462

Core i5-2540M

MSRP: $266|Avg: $10

551%

#464

Core i5-450M

MSRP: $32|Avg: $31

532%

#465

Core i3-380M

MSRP: $49|Avg: $25

510%

#466

Core i5-430M

MSRP: N/A|Avg: $33

509%

#467

Core 2 Duo T6600

MSRP: N/A|Avg: $4

496%

#470

Core i5-6287U

MSRP: N/A|Avg: N/A

100%

#472

Ryzen Embedded R1505G

MSRP: $80|Avg: $80

100%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Pentium Gold G6405 (2021) utilizes 14 nm technology and DDR4-2666, providing a fundamental performance advantage.

Insight	Pentium Gold G6405	Core i5-6287U
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Comet Lake-R (2021) / 14 nm)	🛑 Legacy (Skylake (2015−2016) / 14 nm)

💎 Value Proposition

The Core i5-6287U (2015) relies on 14 nm technology and DDR3, DDR4, placing it in a different performance category relative to modern standards.

Insight	Pentium Gold G6405	Core i5-6287U
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.

Pentium Gold G6405 Benchmark Check

Core i5-6287U Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium Gold G6405 and Core i5-6287U

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.

Core i5-6287U

The Core i5-6287U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 28 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,801 points. Launch price was $304.

⚡

Processing Power

Both the Pentium Gold G6405 and Core i5-6287U share an identical 2-core/4-thread configuration. Boost clocks reach 4.1 GHz on the Pentium Gold G6405 versus 3.5 GHz on the Core i5-6287U — a 15.8% clock advantage for the Pentium Gold G6405 (base: 4.1 GHz vs 3.1 GHz). The Pentium Gold G6405 uses the Comet Lake-R (2021) architecture (14 nm), while the Core i5-6287U uses Skylake (2015−2016) (14 nm). In PassMark, the Pentium Gold G6405 scores 3,817 against the Core i5-6287U's 3,801 — a 0.4% lead for the Pentium Gold G6405. L3 cache: 4 MB (total) on the Pentium Gold G6405 vs 4 MB on the Core i5-6287U.

Feature	Pentium Gold G6405	Core i5-6287U
Cores / Threads	2 / 4	2 / 4
Boost Clock	4.1 GHz+17%	3.5 GHz
Base Clock	4.1 GHz+32%	3.1 GHz
L3 Cache	4 MB (total)	4 MB
L2 Cache	256 kB (per core)	512 kB+100%
Process	14 nm	14 nm
Architecture	Comet Lake-R (2021)	Skylake (2015−2016)
PassMark	3,817	3,801
Geekbench 6 Single	—	816

🧠

Memory & Platform

The Pentium Gold G6405 uses the LGA1200 socket (PCIe 3.0), while the Core i5-6287U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Pentium Gold G6405	Core i5-6287U
Socket	LGA1200	BGA1356
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	DDR4-2133
Max RAM Capacity	—	32 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	12

🔧

Advanced Features

Virtualization: not specified (Pentium Gold G6405) / VT-x, VT-d, EPT (Core i5-6287U). The Core i5-6287U includes integrated graphics (Iris Graphics 550), while the Pentium Gold G6405 requires a dedicated GPU. Primary use case: Core i5-6287U targets High Performance Laptop. Direct competitor: Core i5-6287U rivals FX-9800P.