Pentium Gold G6405T vs Core i7-4578U

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 i7-4578U

#955

Atom x5-Z8300

MSRP: $20|Avg: N/A

1908%

#956

Atom Z3735G

MSRP: $17|Avg: N/A

1880%

#957

Core i5-480M

MSRP: $81|Avg: $77

1726%

#958

Core i5-460M

MSRP: $80|Avg: $129

1718%

#959

Core i5-2540M

MSRP: $266|Avg: $10

1702%

#961

Core i5-450M

MSRP: $32|Avg: $31

1644%

#962

Core i3-380M

MSRP: $49|Avg: $25

1576%

#963

Core i5-430M

MSRP: N/A|Avg: $33

1573%

#964

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1531%

#967

Core i7-4578U

MSRP: N/A|Avg: N/A

100%

#968

Core i7-4710MQ

MSRP: $378|Avg: $378

100%

#970

Celeron T3100

MSRP: $62|Avg: $62

99%

#971

Core i7-4800MQ

MSRP: $380|Avg: $378

99%

#977

Phenom II X2 N640

MSRP: $100|Avg: $55

98%

#978

A10-8700P

MSRP: $150|Avg: $40

98%

#982

Athlon II Neo K125

MSRP: $100|Avg: $100

97%

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 G6405T (2021) utilizes 14 nm technology and DDR4-2666, providing a fundamental performance advantage.

Insight	Pentium Gold G6405T	Core i7-4578U
Gaming	Balanced gaming performance	Balanced 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 (Haswell (2013−2015) / 22 nm)

💎 Value Proposition

The Core i7-4578U (2014) relies on 22 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Pentium Gold G6405T	Core i7-4578U
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 G6405T Benchmark Check

Core i7-4578U Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium Gold G6405T and Core i7-4578U

Pentium Gold G6405T

The Pentium Gold G6405T 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 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,095 points. Launch price was $64.

Core i7-4578U

The Core i7-4578U is manufactured by Intel. It was released in 21 July 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 3,075 points. Launch price was $426.

⚡

Processing Power

Both the Pentium Gold G6405T and Core i7-4578U share an identical 2-core/4-thread configuration. Boost clocks reach 3.5 GHz on the Pentium Gold G6405T versus 3.5 GHz on the Core i7-4578U — identical boost frequencies (base: 3.5 GHz vs 3 GHz). The Pentium Gold G6405T uses the Comet Lake-R (2021) architecture (14 nm), while the Core i7-4578U uses Haswell (2013−2015) (22 nm). In PassMark, the Pentium Gold G6405T scores 3,095 against the Core i7-4578U's 3,075 — a 0.6% lead for the Pentium Gold G6405T. L3 cache: 4 MB (total) on the Pentium Gold G6405T vs 4 MB on the Core i7-4578U.

Feature	Pentium Gold G6405T	Core i7-4578U
Cores / Threads	2 / 4	2 / 4
Boost Clock	3.5 GHz	3.5 GHz
Base Clock	3.5 GHz+17%	3 GHz
L3 Cache	4 MB (total)	4 MB
L2 Cache	256 kB (per core)	512 kB+100%
Process	14 nm-36%	22 nm
Architecture	Comet Lake-R (2021)	Haswell (2013−2015)
PassMark	3,095	3,075

🧠

Memory & Platform

The Pentium Gold G6405T uses the LGA1200 socket (PCIe 3.0), while the Core i7-4578U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.