Q1
Best network for CF8?
EE leads with 94/100 — driven by 88% 5G and 100% 4G in this densely populated urban part of Cardiff.
CF8 DISTRICT · CARDIFF
Best mobile network in CF8 Cardiff postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the CF8 postcode district in Cardiff.
RESULT · CF8 · CARDIFF
Coverage for CF8 district
★ BEST OPERATOR
EE
94/100
EE delivers the strongest coverage for the CF8 district in Cardiff. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — CF8
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — CF8
Cross-referencing EE, Vodafone, O2 and Three using Ofcom 2024 data, EE delivers the strongest signal in Cardiff. In this densely populated urban area, EE achieves an overall coverage score of 94/100 — driven by excellent 5G coverage (88%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE consistently leads Three by 3 points overall. While Three reaches 82% on 5G and 100% on 4G in Cardiff, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 87 and 84 respectively.
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Explore the Cardiff area
View full coverage analysis for the Cardiff (CF) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — CF8
Q2
Is 5G available in CF8?
EE provides excellent 5G coverage at 88%. Three follows at 82%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in densely populated urban areas.
Q4
Is O2 worth considering?
O2 scores 87/100 in CF8 (75% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.