Apple M1 Ultra 20 Core vs Apple M6

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the Apple M6 is the better pick — it scores 60/100 to the Apple M1 Ultra 20 Core's 55, leading on Core Specifications. Choose the Apple M1 Ultra 20 Core instead if integrated graphics and benchmark matter most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Apple M6 leads overall

Apple M6

Apple M1 Ultra 20 Core

Why it stands out

Core Specifications Lithography Process: 2 nm (60% less)

Winner by category for Apple M1 Ultra 20 Core vs Apple M6
Category	Apple M6	Apple M1 Ultra 20 Core	Winner
Core Specifications	63	23	Apple M6
Integrated Graphics	38	48	Apple M1 Ultra 20 Core
Benchmark	64	72	Apple M1 Ultra 20 Core

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

Apple M1 Ultra 20 Core

The Apple M1 Ultra is an extremely powerful System-on-a-Chip designed for high-end, professional workstations. It combines two independently connected M1 Max units via the 'UltraFusion' interconnect to significantly increase computational throughput. This processor is suited for users who require maximum performance for intensive creative and scientific workloads.

Best for Professional video editingBest for 3D Rendering/VFXBest for Computational modeling

Pros

High core count structure, featuring a total of 20 CPU cores and dedicated high-bandwidth interconnectivity (Source 1)
Significant memory capacity options are available, supporting up to 128 GB of LPDDR5 RAM (Source 1)
Achieves exceptional performance by combining two M1 Max units, effectively doubling peak capabilities (Source 1)

Cons

The high resource requirements make it unsuitable for most general-purpose computing tasks
It is a discontinued processor, limiting modern upgrade paths and support options (Source 1)

Apple M6

The Apple M6 is an ARM-based system-on-a-chip manufactured using TSMC's 2 nm process, designed for entry-level Mac desktops and laptops. It features a 12-core CPU architecture alongside a 12-core GPU and a dual 16-core Neural Engine. Capable of supporting up to 32 GB of unified memory with bandwidth reaching 170 GB/s, it caters to mainstream consumers and everyday creative workloads.

Best for Accelerated on-device machine learning and AI workload executionBest for Mainstream video editing utilizing hardware ProRes and AV1 decodingBest for Multi-display desktop setups running high-refresh-rate 4K monitors

Pros

Built on an advanced 2 nm fabrication node for higher efficiency and transistor density
Dual 16-core Neural Engine delivers significantly higher compute performance for on-device AI tasks
Upgraded GPU architecture includes dynamic caching and hardware-accelerated ray tracing
Expanded display engine supports two external 4K monitors at up to 165 Hz

Cons

No high-end M6 Pro or M6 Max variants are offered in this chip generation
Higher entry price point for associated Mac hardware compared to previous iterations

Value for Money

Which is the better deal for the price

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Apple M1 Ultra 20 Core

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Apple M6

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Performance

Higher benchmark score = faster

Apple M1 Ultra 20 Core41,396

Apple M635,823

See the raw benchmark values →

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

Detailed Specifications

The full spec sheet, side by side

Core Specifications

Feature	Apple M1 Ultra 20 Core	Apple M6
Cores	20	12
Threads	20	12
Base Frequency	N/A	N/A
Base Power Consumption	N/A	N/A
Maximum Frequency	N/A	N/A
Maximum Power Consumption	N/A	N/A
L1 Cache	N/A	N/A
L2 Cache	N/A	N/A
L3 Cache	N/A	N/A
Lithography Process	5 nm	2 nm60% less
Is unlocked	No	No

Integrated Graphics

Feature	Apple M1 Ultra 20 Core	Apple M6
Model

Benchmark

Feature	Apple M1 Ultra 20 Core	Apple M6
PassMark CPU Mark	41,39616% more	35,823

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about Apple M1 Ultra 20 Core vs Apple M6 comparison

They are closely matched: Apple M1 Ultra 20 Core scores 72/100 and Apple M6 scores 71/100 in our overall comparison — within 1 point. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.

Apple M1 Ultra 20 Core and Apple M6 are compared side by side above across every spec in the cpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 72/100 for Apple M1 Ultra 20 Core and 71/100 for Apple M6.

It's close — Apple M1 Ultra 20 Core (72/100) and Apple M6 (71/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.