Core i7-6650U vs Pentium Gold G6400T

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 i7-6650U is positioned at rank #436 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 i7-6650U

#424

Atom x5-Z8300

MSRP: $20|Avg: N/A

577%

#425

Atom Z3735G

MSRP: $17|Avg: N/A

569%

#426

Core i5-480M

MSRP: $81|Avg: $77

522%

#427

Core i5-460M

MSRP: $80|Avg: $129

520%

#428

Core i5-2540M

MSRP: $266|Avg: $10

515%

#430

Core i5-450M

MSRP: $32|Avg: $31

498%

#431

Core i3-380M

MSRP: $49|Avg: $25

477%

#432

Core i5-430M

MSRP: N/A|Avg: $33

476%

#433

Core 2 Duo T6600

MSRP: N/A|Avg: $4

463%

#436

Core i7-6650U

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

Generational Difference: This comparison involves processors from different technological eras. The Pentium Gold G6400T (2020) utilizes 14 nm technology and DDR4-2666, providing a fundamental performance advantage.

Insight	Core i7-6650U	Pentium Gold G6400T
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Skylake (2015−2016) / 14 nm)	✨ Modern (Legacy / 14 nm)

💎 Value Proposition

The Core i7-6650U (2015) relies on 14 nm technology and DDR3, DDR4, placing it in a different performance category relative to modern standards.

Insight	Core i7-6650U	Pentium Gold G6400T
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 i7-6650U Benchmark Check

Pentium Gold G6400T Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-6650U and Pentium Gold G6400T

Core i7-6650U

The Core i7-6650U 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 2.2 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,557 points. Launch price was $415.

Pentium Gold G6400T

The Pentium Gold G6400T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 4 threads. Base frequency: 3.4 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,544 points. Launch price was $69.

⚡

Processing Power

Both the Core i7-6650U and Pentium Gold G6400T share an identical 2-core/4-thread configuration. The Core i7-6650U is built on the Skylake (2015−2016) architecture. In PassMark, the Core i7-6650U scores 3,557 against the Pentium Gold G6400T's 3,544 — a 0.4% lead for the Core i7-6650U. L3 cache: 4 MB on the Core i7-6650U vs 4 MB Intel® Smart Cache on the Pentium Gold G6400T.

Feature	Core i7-6650U	Pentium Gold G6400T
Cores / Threads	2 / 4	2 / 4
Boost Clock	3.4 GHz	—
Base Clock	2.2 GHz	3.4 GHz+55%
L3 Cache	4 MB	4 MB Intel® Smart Cache
L2 Cache	512 kB	—
Process	14 nm	14 nm
Architecture	Skylake (2015−2016)	—
PassMark	3,557	3,544

🧠

Memory & Platform

The Core i7-6650U uses the BGA1356 socket (PCIe 3.0), while the Pentium Gold G6400T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.