Pentium Gold 6405U vs Atom x7-Z8700

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 Pentium Gold 6405U is positioned at rank #770 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 Pentium Gold 6405U

#758

Atom x5-Z8300

MSRP: $20|Avg: N/A

1111%

#759

Atom Z3735G

MSRP: $17|Avg: N/A

1095%

#760

Core i5-480M

MSRP: $81|Avg: $77

1005%

#761

Core i5-460M

MSRP: $80|Avg: $129

1001%

#762

Core i5-2540M

MSRP: $266|Avg: $10

992%

#764

Core i5-450M

MSRP: $32|Avg: $31

958%

#765

Core i3-380M

MSRP: $49|Avg: $25

918%

#766

Core i5-430M

MSRP: N/A|Avg: $33

917%

#767

Core 2 Duo T6600

MSRP: N/A|Avg: $4

892%

#770

Pentium Gold 6405U

MSRP: N/A|Avg: N/A

100%

#772

Core i7-9750HF

MSRP: $395|Avg: $395

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 6405U (2019) utilizes 14 nm technology and DDR4, providing a fundamental performance advantage.

Insight	Pentium Gold 6405U	Atom x7-Z8700
Gaming	Balanced gaming performance	Balanced gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Comet Lake-U (2019−2020) / 14 nm)	🛑 Legacy (Cherry Trail (2015−2016) / 14 nm)

💎 Value Proposition

The Atom x7-Z8700 (2015) relies on 14 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Pentium Gold 6405U	Atom x7-Z8700
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 6405U Benchmark Check

Atom x7-Z8700 Benchmark Check

Counter-Strike 2

No prediction data available

League of Legends

League of Legends

No prediction data available

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Pentium Gold 6405U and Atom x7-Z8700

Pentium Gold 6405U

The Pentium Gold 6405U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,320 points. Launch price was $161.

Atom x7-Z8700

The Atom x7-Z8700 is manufactured by Intel. It was released in 2 March 2015 (10 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2.4 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Memory support: DDR3. Passmark benchmark score: 1,325 points. Launch price was $69.

⚡

Processing Power

The Pentium Gold 6405U packs 2 cores / 4 threads, while the Atom x7-Z8700 offers 4 cores / 4 threads — the Atom x7-Z8700 has 2 more cores. Boost clocks reach 2.4 GHz on the Pentium Gold 6405U versus 2.4 GHz on the Atom x7-Z8700 — identical boost frequencies (base: 2.4 GHz vs 1.6 GHz). The Pentium Gold 6405U uses the Comet Lake-U (2019−2020) architecture (14 nm), while the Atom x7-Z8700 uses Cherry Trail (2015−2016) (14 nm). In PassMark, the Pentium Gold 6405U scores 1,320 against the Atom x7-Z8700's 1,325 — a 0.4% lead for the Atom x7-Z8700. L3 cache: 2 MB on the Pentium Gold 6405U vs 0 kB on the Atom x7-Z8700.

Feature	Pentium Gold 6405U	Atom x7-Z8700
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	2.4 GHz	2.4 GHz
Base Clock	2.4 GHz+50%	1.6 GHz
L3 Cache	2 MB	0 kB
L2 Cache	1 MB	2 MB+100%
Process	14 nm	14 nm
Architecture	Comet Lake-U (2019−2020)	Cherry Trail (2015−2016)
PassMark	1,320	1,325

🧠

Memory & Platform

The Pentium Gold 6405U uses the FCBGA1528 socket (PCIe 3.0), while the Atom x7-Z8700 uses UTFCBGA1380 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Pentium Gold 6405U	Atom x7-Z8700
Socket	FCBGA1528	UTFCBGA1380
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	LPDDR3-1600
Max RAM Capacity	—	8 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	2