M2 vs Xeon E5-1681 V3

CPU

GPU

M2

8 Cores8 Thrd20 WWMax: 3.48 GHz2022

Popular choices:

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Xeon E5-1681 V3

10 Cores20 Thrd135 WWMax: 3.5 GHz2014

Popular choices:

•••••••••

Performance Spectrum - CPU

8 / 8

14,933

+0.8%

Xeon E5-1681 V3

10 / 20

14,820

0.0%

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.

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

✅+0.8% higher PassMark.
✅Draws 20W instead of 135W, a 115W reduction.
✅Newer platform on none with DDR5 support instead of LGA2011-3 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-1681 V3 across 2 shared CPU benchmark tests.
❌Less compelling for workstation-style loads than Xeon E5-1681 V3, which brings 10 cores / 20 threads and 40 PCIe lanes.

Xeon E5-1681 V3

2014

Why buy it

✅Better for gaming: +8.2% higher average FPS across 2 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads, plus 40 PCIe lanes vs 0.
✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (14,820 vs 14,933).
❌Launch MSRP is still $1,589 MSRP, while M2 mostly shows up through inconsistent older-market listings.
❌575% higher power demand at 135W vs 20W.
❌Older platform position on LGA2011-3 with DDR4, while M2 moves to none and DDR5.

M2

2022

Xeon E5-1681 V3

2014

Why buy it

✅+0.8% higher PassMark.
✅Draws 20W instead of 135W, a 115W reduction.
✅Newer platform on none with DDR5 support instead of LGA2011-3 and DDR4.

Why buy it

✅Better for gaming: +8.2% higher average FPS across 2 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads, plus 40 PCIe lanes vs 0.
✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-1681 V3 across 2 shared CPU benchmark tests.
❌Less compelling for workstation-style loads than Xeon E5-1681 V3, which brings 10 cores / 20 threads and 40 PCIe lanes.

Trade-offs

❌Lower PassMark (14,820 vs 14,933).
❌Launch MSRP is still $1,589 MSRP, while M2 mostly shows up through inconsistent older-market listings.
❌575% higher power demand at 135W vs 20W.
❌Older platform position on LGA2011-3 with DDR4, while M2 moves to none and DDR5.

Quick Answers

So, is M2 better than Xeon E5-1681 V3?

Not in a simple one-size-fits-all way. Xeon E5-1681 V3 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, M2 is the better fit. You are getting 0.8% better PassMark, backed by 8 cores and 8 threads.

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

M2 is still the faster CPU overall, but Xeon E5-1681 V3 makes more sense if price matters more than absolute performance. M2 is at an unclear MSRP at unclear MSRP versus $1,589 MSRP, and it gives you 0.8% better PassMark. The trade-off is that Xeon E5-1681 V3 is still the better pure gaming CPU with a 8.2% average FPS lead across 2 shared CPU game tests in our data. Xeon E5-1681 V3 is also 100.0% better value on MSRP (9.3 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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 2014), a healthier platform with none and DDR5 instead of LGA2011-3, and more multi-core headroom with 8 cores / 8 threads instead of 10/20. 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 E5-1681 V3 Benchmark Check

Path of Exile 2

Preset	M2	Xeon E5-1681 V3
1080p
low	175 FPS	163 FPS
medium	140 FPS	141 FPS
high	113 FPS	115 FPS
ultra	90 FPS	94 FPS
1440p
low	141 FPS	136 FPS
medium	111 FPS	115 FPS
high	88 FPS	91 FPS
ultra	69 FPS	74 FPS
4K
low	66 FPS	63 FPS
medium	55 FPS	57 FPS
high	44 FPS	44 FPS
ultra	35 FPS	35 FPS

Open M2 Open Xeon E5-1681 V3

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	M2	Xeon E5-1681 V3
1080p
low	288 FPS	330 FPS
medium	246 FPS	296 FPS
high	213 FPS	258 FPS
ultra	166 FPS	213 FPS
1440p
low	248 FPS	284 FPS
medium	220 FPS	260 FPS
high	193 FPS	227 FPS
ultra	150 FPS	185 FPS
4K
low	174 FPS	184 FPS
medium	159 FPS	168 FPS
high	136 FPS	146 FPS
ultra	106 FPS	116 FPS

Open M2 Open Xeon E5-1681 V3

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	M2	Xeon E5-1681 V3
1080p
low	373 FPS	370 FPS
medium	373 FPS	370 FPS
high	373 FPS	370 FPS
ultra	373 FPS	370 FPS
1440p
low	373 FPS	370 FPS
medium	373 FPS	370 FPS
high	373 FPS	370 FPS
ultra	363 FPS	342 FPS
4K
low	373 FPS	370 FPS
medium	314 FPS	319 FPS
high	277 FPS	290 FPS
ultra	221 FPS	240 FPS

Open M2 Open Xeon E5-1681 V3

League of Legends

League of Legends

Valorant

Preset	M2	Xeon E5-1681 V3
1080p
low	373 FPS	370 FPS
medium	373 FPS	370 FPS
high	373 FPS	370 FPS
ultra	373 FPS	370 FPS
1440p
low	373 FPS	370 FPS
medium	373 FPS	370 FPS
high	373 FPS	370 FPS
ultra	373 FPS	370 FPS
4K
low	373 FPS	370 FPS
medium	373 FPS	370 FPS
high	373 FPS	370 FPS
ultra	328 FPS	331 FPS

Open M2 Open Xeon E5-1681 V3

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of M2 and Xeon E5-1681 V3

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 E5-1681 V3

The Xeon E5-1681 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.9 GHz, with boost up to 3.5 GHz. L3 cache: 25 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 135 Watt. Memory support: DDR4-2133. Passmark benchmark score: 14,820 points. Launch price was $800.

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Processing Power

The M2 packs 8 cores / 8 threads, while the Xeon E5-1681 V3 offers 10 cores / 20 threads — the Xeon E5-1681 V3 has 2 more cores. Boost clocks reach 3.48 GHz on the M2 versus 3.5 GHz on the Xeon E5-1681 V3 — a 0.6% clock advantage for the Xeon E5-1681 V3 (base: 2.424 GHz vs 2.9 GHz). The Xeon E5-1681 V3 is built on the Haswell-EP (2014−2015) architecture. In PassMark, the M2 scores 14,933 against the Xeon E5-1681 V3's 14,820 — a 0.8% lead for the M2.

Feature	M2	Xeon E5-1681 V3
Cores / Threads	8 / 8	10 / 20+25%
Boost Clock	3.48 GHz	3.5 GHz
Base Clock	2.424 GHz	2.9 GHz+20%
L3 Cache	—	25 MB (total)
L2 Cache	20 MB+7900%	256K (per core)
Process	5 nm-77%	22 nm
Architecture	—	Haswell-EP (2014−2015)
PassMark	14,933	14,820
Geekbench 6 Single	—	1,050
Geekbench 6 Multi	—	9,000

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Memory & Platform

The M2 uses the none socket (PCIe 4.0), while the Xeon E5-1681 V3 uses LGA2011-3 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	M2	Xeon E5-1681 V3
Socket	none	LGA2011-3
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	—	DDR4-2133
Max RAM Capacity	—	768 GB
RAM Channels	—	4
ECC Support	—	Yes
PCIe Lanes	—	40