Georgia / Atlanta / AT&T vs Xfinity

AT&T vs Xfinity in Atlanta

AT&T brings cheaper, faster symmetrical fiber to about 92% of Atlanta, while Xfinity’s cable reaches roughly 98% of the city but caps uploads at 300 Mbps.

The 30-Second VerdictUpdated August 7, 2026

AT&T wins on speed and price: symmetrical fiber up to 5000 Mbps (where available) for $35/mo and a 99/100 speed score beat Xfinity’s cable, which tops out at 2000/300 Mbps with a 93/100 score at $40/mo. Xfinity’s edge is reach, covering ~98% of Atlanta versus AT&T’s ~92%. Choose AT&T if fiber has hit your block and you want the fastest, cheapest option, especially with big uploads. Choose Xfinity if AT&T fiber isn’t available at your address yet.

At a glance

AT&T vs. Xfinity, side by side.

Provider	Type	Top speed	City coverage	Starting price	Best for
AT&T	Fiber	5 Gig 5 Gig upload	92%	$35/mo	Top fiber speeds
Xfinity	Cable	2 Gig 300 Mbps upload	98%	$40/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 in Atlanta shifts block to block, so the winner really depends on your exact address. AT&T fiber reaches about 92% of the city and tends to leave gaps in pockets that Xfinity’s ~98% cable footprint still covers. Always run an address check before deciding, since fiber availability can differ even between neighbors.

ZIP	Neighborhoods	Coverage		Top speed		Speed Score		Winner
ZIP	Neighborhoods	AT&T	Xfinity	AT&T	Xfinity	AT&T	Xfinity	Winner
30349	College Park, South Fulton, Union City	79%	97%	5 Gig	2 Gig	95	94	AT&T
30344	East Point, Hapeville	81%	100%	5 Gig	2 Gig	95	94	AT&T
30318	West Midtown, Underwood Hills, Grove Park, Berkeley Park	66%	99%	5 Gig	2 Gig	92	94	Xfinity
30316	East Atlanta, Ormewood Park, Edgewood, Kirkwood	83%	99%	5 Gig	2 Gig	96	94	AT&T
30315	Grant Park, Chosewood Park, Lakewood Heights, South Atlanta	83%	100%	5 Gig	2 Gig	96	94	AT&T
30331	Southwest Atlanta, Cascade Heights, Ben Hill	72%	97%	5 Gig	2 Gig	94	94	Xfinity
30310	West End, Adair Park, Cascade Heights, Oakland City	75%	99%	5 Gig	2 Gig	94	94	Xfinity
30312	Grant Park, Cabbagetown, Old Fourth Ward, Summerhill	69%	99%	5 Gig	2 Gig	93	94	Xfinity
30354	Hapeville, Southeast Atlanta, Lakewood Heights	73%	100%	5 Gig	2 Gig	94	94	Xfinity
30317	Kirkwood, East Lake, Oakhurst	95%	99%	5 Gig	2 Gig	98	94	AT&T
30341	Chamblee, Brookhaven, Northlake	82%	100%	5 Gig	2 Gig	96	94	AT&T
30314	Vine City, English Avenue, Atlanta University Center, Hunter Hills	45%	99%	5 Gig	2 Gig	88	94	Xfinity
30311	Cascade Heights, West End, Mozley Park, Adams Park	76%	99%	5 Gig	2 Gig	94	94	Xfinity
30340	Doraville, Northlake, Chamblee	69%	99%	5 Gig	2 Gig	93	94	Xfinity
30319	Brookhaven, Chamblee (part), North Buckhead area	84%	99%	5 Gig	2 Gig	96	94	AT&T
30306	Virginia-Highland, Morningside, Poncey-Highland, Druid Hills	72%	100%	5 Gig	2 Gig	94	94	Xfinity
30309	Midtown, Ansley Park, Atlantic Station, Sherwood Forest	57%	97%	5 Gig	2 Gig	91	94	Xfinity
30338	Dunwoody, Sandy Springs	80%	99%	5 Gig	2 Gig	95	94	AT&T
30307	Inman Park, Little Five Points, Candler Park, Lake Claire	86%	100%	5 Gig	2 Gig	96	94	AT&T
30327	Buckhead, Mount Paran, Chastain Park, West Paces Ferry	87%	99%	5 Gig	2 Gig	97	94	AT&T
30339	Vinings, Cumberland, Smyrna	38%	90%	5 Gig	2 Gig	87	92	Xfinity
30305	Buckhead, Peachtree Battle, Garden Hills, Pharr Road	89%	100%	5 Gig	2 Gig	97	94	AT&T
30337	College Park, Hartsfield-Jackson Airport	64%	97%	5 Gig	2 Gig	92	94	Xfinity
30329	North Druid Hills, Emory, Toco Hills	69%	100%	5 Gig	2 Gig	93	94	Xfinity
30303	Downtown Atlanta, Georgia State University, Five Points, Sweet Auburn	14%	95%	5 Gig	2 Gig	82	93	Xfinity
30328	Sandy Springs, Dunwoody, Perimeter Center	70%	98%	5 Gig	2 Gig	93	94	Xfinity
30342	Buckhead, Sandy Springs, Chastain Park	85%	100%	5 Gig	2 Gig	96	94	AT&T
30350	Sandy Springs, Dunwoody, Spalding	67%	97%	5 Gig	2 Gig	93	94	Xfinity
30345	Northlake, North Druid Hills, Toco Hills	80%	100%	5 Gig	2 Gig	95	94	AT&T
30324	Morningside, Piedmont Heights, Lindbergh, Cheshire Bridge	78%	99%	5 Gig	2 Gig	95	94	AT&T
30308	Midtown, Old Fourth Ward, Sweet Auburn	46%	99%	5 Gig	2 Gig	88	94	Xfinity
30313	Downtown Atlanta, Centennial Olympic Park, Castleberry Hill	14%	98%	5 Gig	2 Gig	82	94	Xfinity
30360	Dunwoody, Doraville, Peachtree Corners	77%	99%	5 Gig	2 Gig	95	94	AT&T
30336	Adamsville, Fulton Industrial, Southwest Atlanta	55%	99%	5 Gig	2 Gig	90	94	Xfinity
30334	Georgia State Capitol, Downtown Atlanta	24%	96%	5 Gig	2 Gig	84	94	Xfinity
30364	College Park, East Point, South Fulton	87%	100%	5 Gig	2 Gig	97	94	AT&T
30346	Perimeter Center, Dunwoody, Sandy Springs	73%	97%	5 Gig	2 Gig	94	94	Xfinity
30326	Buckhead, Lenox, Phipps Plaza	62%	100%	5 Gig	2 Gig	92	94	Xfinity
30301	Downtown Atlanta (PO Box/general delivery), Atlanta	6%	94%	5 Gig	2 Gig	80	93	Xfinity
31119	Chamblee, Brookhaven, Dunwoody	95%	100%	5 Gig	2 Gig	98	94	AT&T
30302	Downtown Atlanta (PO Box), Georgia State University area	70%	98%	5 Gig	2 Gig	93	94	Xfinity
30366	Doraville, Chamblee, Dunwoody	93%	100%	5 Gig	2 Gig	98	94	AT&T

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

AT&T

Fiber’s 99/100 speed score and symmetrical speeds up to 5000 Mbps (where available) mean lower latency and headroom for game updates and streaming your play.

Streaming

Xfinity

Its 2000 Mbps download and ~98% coverage handle multiple 4K streams almost anywhere in Atlanta, so it’s the safe pick if AT&T fiber hasn’t reached you.

Video calls

AT&T

Symmetrical uploads up to 5000 Mbps (where available) keep your camera crisp on Zoom or Teams, unlike Xfinity’s 300 Mbps upload ceiling.

Just the basics

AT&T

At $35/mo it’s the cheaper starting rate, and even entry fiber tiers easily cover browsing, email, and HD streaming for a light household.

Get connected

Pick your provider and check availability at your address.

Check plans

Top speed5 Gig

Upload5 Gig

Coverage92%

From$35/mo

5 Gig down · 5 Gig up Fiber
1 Gig down · 1 Gig up Fiber

Check plans

Top speed2 Gig

Upload300 Mbps

Coverage98%

From$40/mo

2 Gig down · 300 Mbps up Cable
2 Gig down · 300 Mbps up Fiber
1 Gig down · 35 Mbps up Fiber

See what’s actually available at your address

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Frequently asked questions

is AT&T fiber available at my address in Atlanta or only Xfinity?

AT&T fiber covers about 92% of Atlanta, while Xfinity cable reaches roughly 98%, so Xfinity is more likely available at any given address. Enter your specific address on both providers’ sites to confirm, since fiber can vary block to block.

which is cheaper in Atlanta, AT&T or Xfinity, and what will I actually pay?

AT&T starts at $35/mo versus Xfinity’s $40/mo, making AT&T the cheaper headline price. Keep in mind these are promotional starting rates, so confirm the post-promo rate, equipment fees, and any contract terms directly with the provider before you sign.

which is faster and is it enough for gaming, working from home, and 4K?

AT&T is faster, with fiber up to 5000/5000 Mbps (where available) and a 99/100 speed score versus Xfinity’s 2000/300 Mbps and 93/100. Both easily handle 4K, but AT&T’s symmetrical uploads are the better bet for heavy WFH and gaming, so verify fiber reaches your address first.

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.