Atom x7-Z8700
VS
Pentium Gold 6405U

Atom x7-Z8700 vs Pentium Gold 6405U

Intel

Atom x7-Z8700

4 Cores4 ThrdWMax: 2.4 GHz2015
VS
Intel

Pentium Gold 6405U

2 Cores4 Thrd1 WWMax: 2.4 GHz2019

Performance Spectrum - CPU

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. 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 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 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.
InsightAtom x7-Z8700Pentium Gold 6405U
Gaming
Balanced gaming performance
Balanced gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Cherry Trail (2015−2016) / 14 nm)
✨ Modern (Comet Lake-U (2019−2020) / 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.
InsightAtom x7-Z8700Pentium Gold 6405U
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.

Technical Specifications

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

Intel

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.

Intel

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.

Processing Power

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

FeatureAtom x7-Z8700Pentium Gold 6405U
Cores / Threads
4 / 4+100%
2 / 4
Boost Clock
2.4 GHz
2.4 GHz
Base Clock
1.6 GHz
2.4 GHz+50%
L3 Cache
0 kB
2 MB
L2 Cache
2 MB+100%
1 MB
Process
14 nm
14 nm
Architecture
Cherry Trail (2015−2016)
Comet Lake-U (2019−2020)
PassMark
1,325
1,320
🧠

Memory & Platform

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

FeatureAtom x7-Z8700Pentium Gold 6405U
Socket
UTFCBGA1380
FCBGA1528
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
🔧

Advanced Features

The Atom x7-Z8700 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Pentium Gold 6405U requires a dedicated GPU.

FeatureAtom x7-Z8700Pentium Gold 6405U
Integrated GPU
Yes
IGPU Model
Intel HD Graphics (Cherry Trail)