A4 Micro-6400T vs Core i7-9700K

A4 Micro-6400T vs Core i7-9700K Performance Spectrum

A4 Micro-6400T

4 / 4

1,082

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core i7-9700K

8 / 8

14,397

+1230.6%

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.

A4 Micro-6400T vs Core i7-9700K 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.

A4 Micro-6400T vs Core i7-9700K: Pros, Cons & Final Verdict

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

A4 Micro-6400T

2014

Why buy it

✅Draws 5W instead of 95W, a 90W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
❌Lower PassMark (1,082 vs 14,397).

Core i7-9700K

2018

Why buy it

✅Better for gaming: +746.4% higher average FPS across 50 shared CPU benchmark tests.
✅100% more PCIe lanes (16 vs 8) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $385 MSRP, while A4 Micro-6400T mostly shows up through inconsistent older-market listings.
❌1800% higher power demand at 95W vs 5W.

Quick Answers

So, is Core i7-9700K better than A4 Micro-6400T?

Yes. Core i7-9700K is the better all-around CPU here. It gives you a 746.4% average FPS lead across 50 shared CPU game tests in our data, 1230.6% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i7-9700K is the better pick. According to our tests, it delivers 746.4% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i7-9700K is the stronger fit. You are getting 1230.6% better PassMark, backed by 8 cores and 8 threads.

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

Core i7-9700K is the better buy right now. Core i7-9700K comes in at an unclear MSRP at $385 MSRP versus unclear MSRP, and it still gives you a 746.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (37.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i7-9700K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2014) and more multi-core headroom with 8 cores / 8 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

A4 Micro-6400T vs Core i7-9700K Technical Specifications

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

A4 Micro-6400T

The A4 Micro-6400T is manufactured by AMD. It was released in 29 April 2014 (11 years ago). It is based on the Mullins (2014) architecture. It features 4 cores and 4 threads. Base frequency is 1 GHz, with boost up to 1.6 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: FT3. Thermal design power (TDP): 5 Watt. Memory support: DDR3-1333. Passmark benchmark score: 1,082 points. Launch price was $69.

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

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Processing Power

The A4 Micro-6400T packs 4 cores / 4 threads, while the Core i7-9700K offers 8 cores / 8 threads — the Core i7-9700K has 4 more cores. Boost clocks reach 1.6 GHz on the A4 Micro-6400T versus 4.9 GHz on the Core i7-9700K — a 101.5% clock advantage for the Core i7-9700K (base: 1 GHz vs 3.6 GHz). The A4 Micro-6400T uses the Mullins (2014) architecture (28 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the A4 Micro-6400T scores 1,082 against the Core i7-9700K's 14,397 — a 172% lead for the Core i7-9700K.

Feature	A4 Micro-6400T	Core i7-9700K
Cores / Threads	4 / 4	8 / 8+100%
Boost Clock	1.6 GHz	4.9 GHz+206%
Base Clock	1 GHz	3.6 GHz+260%
L3 Cache	—	12 MB (total)
L2 Cache	2048 kB+700%	256K (per core)
Process	28 nm	14 nm-50%
Architecture	Mullins (2014)	Coffee Lake-R (2018−2019)
PassMark	1,082	14,397+1231%
Geekbench 6 Single	180	—

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Memory & Platform

The A4 Micro-6400T uses the FT3 socket (PCIe 3.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1333 on the A4 Micro-6400T versus DDR4-2666 on the Core i7-9700K — the Core i7-9700K supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K supports up to 128 GB of RAM compared to 8 GB — 1500% more capacity for professional workloads. Memory channels: 1 (A4 Micro-6400T) vs 2 (Core i7-9700K). PCIe lanes: 8 (A4 Micro-6400T) vs 16 (Core i7-9700K) — the Core i7-9700K offers 8 more lanes for additional GPUs or NVMe drives.

Feature	A4 Micro-6400T	Core i7-9700K
Socket	FT3	LGA1151
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR3L-1333	DDR4-2666+100%
Max RAM Capacity	8 GB	128 GB+1500%
RAM Channels	1	2+100%
ECC Support	No	No
PCIe Lanes	8	16+100%

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Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (A4 Micro-6400T) vs VT-x, VT-d (Core i7-9700K). Both include integrated graphics — Radeon R3 (A4 Micro-6400T) and UHD Graphics 630 (Core i7-9700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A4 Micro-6400T targets Tablet, Core i7-9700K targets Desktop. Direct competitor: A4 Micro-6400T rivals Atom Z3770.