M2 vs Xeon D-2166NT

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

M2

2022

Why buy it

✅Better for gaming: +44.6% higher average FPS across 2 shared CPU benchmark tests.
✅Draws 20W instead of 85W, a 65W reduction.
✅Newer platform on none with DDR5 support instead of FCBGA2518 and DDR4.

Trade-offs

❌Lower PassMark (14,933 vs 15,105).
❌Less compelling for workstation-style loads than Xeon D-2166NT, which brings 12 cores / 24 threads.

Xeon D-2166NT

2018

Why buy it

✅+1.2% higher PassMark.
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads.

Trade-offs

❌Worse for gaming: lower average FPS than M2 across 2 shared CPU benchmark tests.
❌325% higher power demand at 85W vs 20W.
❌Older platform position on FCBGA2518 with DDR4, while M2 moves to none and DDR5.

M2

2022

Xeon D-2166NT

2018

Why buy it

✅Better for gaming: +44.6% higher average FPS across 2 shared CPU benchmark tests.
✅Draws 20W instead of 85W, a 65W reduction.
✅Newer platform on none with DDR5 support instead of FCBGA2518 and DDR4.

Why buy it

✅+1.2% higher PassMark.
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads.

Trade-offs

❌Lower PassMark (14,933 vs 15,105).
❌Less compelling for workstation-style loads than Xeon D-2166NT, which brings 12 cores / 24 threads.

Trade-offs

❌Worse for gaming: lower average FPS than M2 across 2 shared CPU benchmark tests.
❌325% higher power demand at 85W vs 20W.
❌Older platform position on FCBGA2518 with DDR4, while M2 moves to none and DDR5.

Quick Answers

So, is M2 better than Xeon D-2166NT?

Not in a simple one-size-fits-all way. Xeon D-2166NT makes more sense for workstation-style multi-core throughput, while M2 is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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

For streaming, content creation, and heavier multitasking, Xeon D-2166NT is the better fit. You are getting 1.2% better PassMark, backed by 12 cores and 24 threads.

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

M2 still looks like the safer overall buy. M2 is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you a 44.6% average FPS lead across 2 shared CPU game tests in our data.

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

M2 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2018) and a healthier platform with none and DDR5 instead of FCBGA2518. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

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.

M2 Benchmark Check

Xeon D-2166NT Benchmark Check

Path of Exile 2

Preset	M2	Xeon D-2166NT
1080p
low	175 FPS	171 FPS
medium	140 FPS	135 FPS
high	113 FPS	109 FPS
ultra	90 FPS	87 FPS
1440p
low	141 FPS	138 FPS
medium	111 FPS	108 FPS
high	88 FPS	86 FPS
ultra	69 FPS	68 FPS
4K
low	66 FPS	65 FPS
medium	55 FPS	55 FPS
high	44 FPS	43 FPS
ultra	35 FPS	34 FPS

Open M2 Open Xeon D-2166NT

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	M2	Xeon D-2166NT
1080p
low	288 FPS	141 FPS
medium	246 FPS	125 FPS
high	213 FPS	113 FPS
ultra	166 FPS	90 FPS
1440p
low	248 FPS	125 FPS
medium	220 FPS	113 FPS
high	193 FPS	102 FPS
ultra	150 FPS	81 FPS
4K
low	174 FPS	91 FPS
medium	159 FPS	85 FPS
high	136 FPS	75 FPS
ultra	106 FPS	58 FPS

Open M2 Open Xeon D-2166NT

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	M2	Xeon D-2166NT
1080p
low	373 FPS	378 FPS
medium	373 FPS	378 FPS
high	373 FPS	378 FPS
ultra	373 FPS	378 FPS
1440p
low	373 FPS	378 FPS
medium	373 FPS	378 FPS
high	373 FPS	366 FPS
ultra	363 FPS	318 FPS
4K
low	373 FPS	378 FPS
medium	314 FPS	305 FPS
high	277 FPS	258 FPS
ultra	221 FPS	207 FPS

Open M2 Open Xeon D-2166NT

League of Legends

League of Legends

Valorant

Preset	M2	Xeon D-2166NT
1080p
low	373 FPS	378 FPS
medium	373 FPS	378 FPS
high	373 FPS	378 FPS
ultra	373 FPS	378 FPS
1440p
low	373 FPS	378 FPS
medium	373 FPS	378 FPS
high	373 FPS	378 FPS
ultra	373 FPS	378 FPS
4K
low	373 FPS	378 FPS
medium	373 FPS	378 FPS
high	373 FPS	357 FPS
ultra	328 FPS	306 FPS

Open M2 Open Xeon D-2166NT

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of M2 and Xeon D-2166NT

M2

The M2 is manufactured by Apple. It was released in 10 June 2022 (3 years ago). It features 8 cores and 8 threads. Base frequency is 2.424 GHz, with boost up to 3.48 GHz. L2 cache: 20 MB. Built on 5 nm process technology. Socket: none. Thermal design power (TDP): 20 Watt. Memory support: LPDDR5. Passmark benchmark score: 14,933 points. Launch price was $149.

Xeon D-2166NT

The Xeon D-2166NT is manufactured by Intel. It was released in 7 February 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 16.5 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: FCBGA2518. Thermal design power (TDP): 85 Watt. Memory support: DDR4. Passmark benchmark score: 15,105 points. Launch price was $1,005.

⚡

Processing Power

The M2 packs 8 cores / 8 threads, while the Xeon D-2166NT offers 12 cores / 24 threads — the Xeon D-2166NT has 4 more cores. Boost clocks reach 3.48 GHz on the M2 versus 3 GHz on the Xeon D-2166NT — a 14.8% clock advantage for the M2 (base: 2.424 GHz vs 2 GHz). The Xeon D-2166NT is built on the Skylake (server) (2017−2018) architecture. In PassMark, the M2 scores 14,933 against the Xeon D-2166NT's 15,105 — a 1.1% lead for the Xeon D-2166NT.

Feature	M2	Xeon D-2166NT
Cores / Threads	8 / 8	12 / 24+50%
Boost Clock	3.48 GHz+16%	3 GHz
Base Clock	2.424 GHz+21%	2 GHz
L3 Cache	—	16.5 MB
L2 Cache	20 MB+67%	12 MB
Process	5 nm-64%	14 nm
Architecture	—	Skylake (server) (2017−2018)
PassMark	14,933	15,105+1%