Atom x7-Z8700 vs Pentium Gold 6405U

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.

Atom x7-Z8700 vs Pentium Gold 6405U FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Atom x7-Z8700 vs Pentium Gold 6405U: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Atom x7-Z8700

2015

Why buy it

✅+0.4% higher PassMark.
✅Integrated graphics onboard with Intel HD Graphics (Cherry Trail), while Pentium Gold 6405U needs a discrete GPU.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Pentium Gold 6405U

2019

Why buy it

Trade-offs

❌Lower PassMark (1,320 vs 1,325).
❌No integrated graphics, while Atom x7-Z8700 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Atom x7-Z8700 better than Pentium Gold 6405U?

Yes. Atom x7-Z8700 is the better all-around CPU here. It gives you a 1.9% average FPS lead across 50 shared CPU game tests in our data and 0.4% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Atom x7-Z8700 is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 4 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Atom x7-Z8700 still makes the most sense overall. Atom x7-Z8700 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.9% average FPS lead across 50 shared CPU game tests in our data.

Which one is more future-proof for 2026 and beyond?

Pentium Gold 6405U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2015). That makes it the safer long-term bet.

Atom x7-Z8700 vs Pentium Gold 6405U Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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.

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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.

Feature	Atom x7-Z8700	Pentium 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

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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.

Feature	Atom x7-Z8700	Pentium 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	No	—
PCIe Lanes	2	—