Nevada / Las Vegas / Quantum Fiber vs Cox

Quantum Fiber vs Cox in Las Vegas

In Las Vegas the real choice is Quantum Fiber’s cheaper, symmetrical multi-gig speeds where available versus Cox’s nearly citywide cable coverage.

The 30-Second VerdictUpdated August 7, 2026

Quantum Fiber wins on raw performance and price: $30/mo for symmetrical speeds up to 8,000/8,000 Mbps and a 99/100 speed score is hard to beat. The catch is reach — it only covers about 28% of Las Vegas, versus Cox’s roughly 91%. Cox costs more ($50/mo) and tops out at 2,000/100 Mbps, but it’s available almost everywhere. Get Quantum Fiber if it reaches your address and you want the fastest, cheapest fiber. Choose Cox if you’re outside the fiber footprint or want a proven, widely available option.

At a glance

Quantum Fiber vs. Cox, side by side.

Provider	Type	Top speed	City coverage	Starting price	Best for
Quantum Fiber	Fiber	8 Gig 8 Gig upload	28%	$30/mo	Top fiber speeds
Cox	Cable	2 Gig 100 Mbps upload	91%	$50/mo	Widest availability

Coverage map

Two different questions, two views. Top speed shows who offers the faster plan where you can actually get it. Coverage shows who reaches more of each ZIP. Or pick a single provider to see just its footprint.

View

Showing the provider with the faster available plan in each ZIP. Click any ZIP for the breakdown.

Neighborhood breakdown

Coverage swings block to block in Las Vegas: Cox reaches most addresses citywide, while Quantum Fiber’s fiber footprint covers only about 28% and clusters in specific pockets. In newer or fiber-built neighborhoods Quantum Fiber may be the clear winner, but a home a few streets over may only have Cox. Always check both at your exact address.

ZIP	Neighborhoods	Coverage		Top speed		Speed Score		Winner
ZIP	Neighborhoods	Quantum Fiber	Cox	Quantum Fiber	Cox	Quantum Fiber	Cox	Winner
89104	Huntridge, Beverly Green, Winchester, East Charleston	71%	89%	8 Gig	2 Gig	93	95	Cox
89129	Centennial Hills, Lone Mountain, Sun City Summerlin	8%	97%	2 Gig	2 Gig	81	96	Cox
89131	Centennial Hills, Providence, Tule Springs	19%	96%	2 Gig	2 Gig	83	96	Cox
89121	Sunrise Manor, Winchester, Whitney	47%	95%	8 Gig	2 Gig	89	96	Cox
89108	Rancho Charleston, Vegas Drive, Michael Way, Lone Mountain	11%	93%	8 Gig	2 Gig	81	95	Cox
89130	Centennial Hills, Lone Mountain, Cheyenne	12%	95%	2 Gig	2 Gig	82	96	Cox
89110	Sunrise Manor, East Las Vegas, Whitney Ranch	7%	94%	2 Gig	2 Gig	81	96	Cox
89102	Charleston Heights, Meadows Village, Scotch 80s	64%	82%	8 Gig	2 Gig	92	93	Cox
89117	Peccole Ranch, The Lakes, Canyon Gate, Spring Valley	6%	96%	8 Gig	2 Gig	80	96	Cox
89123	Enterprise, Silverado Ranch, Southern Highlands, Green Valley	8%	95%	8 Gig	2 Gig	81	96	Cox
89149	Centennial Hills, Providence, Lone Mountain	11%	95%	2 Gig	2 Gig	81	96	Cox
89106	West Las Vegas, Medical District, Bonanza Village	39%	88%	8 Gig	2 Gig	87	94	Cox
89139	Spring Valley, Mountain’s Edge, Southwest Las Vegas	16%	88%	8 Gig	2 Gig	82	94	Cox
89122	Sunrise Manor, Whitney, East Las Vegas	28%	95%	8 Gig	2 Gig	85	96	Cox
89119	Paradise, McCarran/Harry Reid Airport, University District, Pinewood	29%	79%	8 Gig	2 Gig	85	93	Cox
89101	Downtown Las Vegas, East Fremont, John S. Park, Huntridge	27%	73%	8 Gig	2 Gig	85	91	Cox
89115	Nellis AFB, Sunrise Manor, North Las Vegas	12%	83%	8 Gig	2 Gig	82	93	Cox
89146	Spring Valley, Scotch 80s, Meadows	39%	92%	8 Gig	2 Gig	87	95	Cox
89118	Enterprise, Spring Valley, Blue Diamond	19%	84%	8 Gig	2 Gig	83	94	Cox
89107	Charleston Heights, Vegas Heights, Twin Lakes	71%	93%	8 Gig	2 Gig	93	95	Cox
89103	Chinatown, Spring Valley, Wynn Road Corridor	48%	85%	3 Gig	2 Gig	89	94	Cox
89113	Spring Valley, Enterprise, Mountain’s Edge, Rhodes Ranch	29%	84%	8 Gig	2 Gig	85	94	Cox
89178	Mountain’s Edge, Enterprise, Southern Highlands	20%	92%	8 Gig	2 Gig	83	95	Cox
89147	Spring Valley, Peccole Ranch, Lakes	23%	97%	3 Gig	2 Gig	84	96	Cox
89148	Spring Valley, Rhodes Ranch, Mountain’s Edge	43%	96%	2 Gig	2 Gig	88	96	Cox
89183	Southern Highlands, Enterprise, Silverado Ranch	15%	93%	2 Gig	2 Gig	82	95	Cox
89135	Summerlin, The Ridges, Red Rock Country Club, Downtown Summerlin	26%	93%	8 Gig	2 Gig	85	95	Cox
89166	Centennial Hills, Skye Canyon, Providence	38%	94%	8 Gig	2 Gig	87	96	Cox
89134	Sun City Summerlin, Summerlin, Crystal Ridge	1%	98%	2 Gig	2 Gig	79	96	Cox
89142	Whitney, Sunrise Manor, East Las Vegas	21%	99%	8 Gig	2 Gig	83	97	Cox
89169	Paradise, University District, Winchester	43%	84%	8 Gig	2 Gig	88	94	Cox
89141	Southern Highlands, Mountain’s Edge, Enterprise	35%	85%	8 Gig	2 Gig	86	94	Cox
89120	Paradise, Whitney, Eastern Avenue Corridor	52%	91%	8 Gig	2 Gig	90	95	Cox
89128	Summerlin, Desert Shores, Lakes	2%	98%	2 Gig	2 Gig	80	96	Cox
89161	Mountain’s Edge, Enterprise, Southwest Las Vegas	38%	79%	8 Gig	2 Gig	87	93	Cox
89143	Centennial Hills, Elkhorn, Tule Springs	34%	93%	2 Gig	2 Gig	86	95	Cox
89145	Summerlin, Canyon Gate, Peccole Ranch	9%	98%	8 Gig	2 Gig	81	96	Cox
89124	Summerlin, Peccole Ranch	14%	0%	8 Gig	—	82	—	Quantum Fiber
89156	Sunrise Manor, East Las Vegas, Nellis	11%	96%	2 Gig	2 Gig	81	96	Cox
89109	The Strip, Paradise, Winchester, Las Vegas Boulevard	22%	61%	2 Gig	2 Gig	84	89	Cox
89138	Summerlin, The Paseos, The Vistas, Summerlin Centre	56%	96%	2 Gig	2 Gig	90	96	Cox
89144	Summerlin, Peccole Ranch, The Trails, Queensridge	21%	97%	8 Gig	2 Gig	83	96	Cox
89179	Enterprise, Southwest Las Vegas, Mountain’s Edge	39%	98%	2 Gig	2 Gig	87	97	Cox
89114	Paradise, East Las Vegas	81%	97%	2 Gig	2 Gig	95	96	Cox
89126	Spring Valley, Chinatown, West Las Vegas	81%	97%	2 Gig	2 Gig	95	96	Cox
89125	Downtown Las Vegas, Central Las Vegas	7%	32%	2 Gig	2 Gig	81	83	Cox
89127	Charleston Heights, Meadows, West Las Vegas	55%	91%	2 Gig	2 Gig	90	95	Cox
89193	Paradise, Enterprise	32%	42%	2 Gig	2 Gig	86	85	Quantum Fiber
89133	Northwest Las Vegas, Summerlin	22%	76%	2 Gig	2 Gig	84	92	Cox
89132	Central Las Vegas, Downtown Las Vegas	38%	72%	2 Gig	2 Gig	87	91	Cox
89111	Sunrise Manor, East Las Vegas	38%	72%	2 Gig	2 Gig	87	91	Cox

Speed Score (0–100) blends each provider’s coverage and top speed in that specific ZIP, so it moves as availability changes street to street.

Which is better for…

The right pick comes down to what you actually do online.

Gaming

Quantum Fiber

Fiber’s up to 8,000 Mbps and symmetrical upload where available beat Cox’s 100 Mbps upload ceiling, which matters for low-latency, stable online play and large game downloads.

Streaming

Cox

Both handle 4K easily, but Cox reaches about 91% of the city, so it’s the more reliable bet for households outside the fiber zone. If Quantum Fiber serves you, it works just as well.

Video calls

Quantum Fiber

Symmetrical upload up to 8,000 Mbps where available keeps HD calls and screen sharing crisp, versus Cox’s 100 Mbps upload cap that’s shared across the home.

Just the basics

Cox

For email, browsing, and standard streaming, Cox’s up to 2,000/100 Mbps is far more than enough and it’s available almost everywhere in Las Vegas.

Get connected

Pick your provider and check availability at your address.

Check plans

Top speed8 Gig

Upload8 Gig

Coverage28%

From$30/mo

8 Gig down · 8 Gig up Fiber
3 Gig down · 3 Gig up Fiber
2 Gig down · 1 Gig up Fiber

Check plans

Top speed2 Gig

Upload100 Mbps

Coverage91%

From$50/mo

2 Gig down · 100 Mbps up Fiber
2 Gig down · 100 Mbps up Cable
1 Gig down · 100 Mbps up Fiber

See what’s actually available at your address

Coverage changes from one street to the next. Check your exact address in seconds.

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Frequently asked questions

is quantum fiber available at my address in las vegas or only cox?

Quantum Fiber currently reaches about 28% of Las Vegas, while Cox covers roughly 91%, so Cox is far more likely to be available at any given address. Because fiber varies block to block, enter your exact address on both providers’ sites before deciding.

which is actually cheaper, quantum fiber or cox in las vegas?

Quantum Fiber starts at $30/mo versus Cox at $50/mo, making Quantum Fiber cheaper on the advertised rate. Note these are promotional starting prices — before signing, confirm the post-promo rate, any equipment fees, and whether a contract applies.

is quantum fiber fast enough for gaming, working from home, and 4k?

Yes — Quantum Fiber offers up to 8,000/8,000 Mbps with a 99/100 speed score where available, while Cox reaches up to 2,000/100 Mbps at 96/100, both plenty for 4K and WFH. If you upload large files or game competitively, Quantum Fiber’s symmetrical speeds are the stronger choice, so check if it serves your block.

How we compare. Coverage is the share of a ZIP where a provider offers a genuinely good plan (≥ 1 Gbps download, ≥ 20 Mbps upload, non-satellite), from FCC Broadband Map serviceability data. “Fastest available” ranks the providers present in a ZIP by top advertised download speed. Pricing reflects current promotional starting rates. This is a working prototype; production copy is generated per matchup.