Home Compare Amazon S3 vs Azure Blob Storage Amazon S3 vs Azure Blob Storage: which costs less for backups Prices checked 6 November 2026
On a 10 TB backup, Amazon S3 costs less in every month we priced, from a quiet month to restoring all 10 TB, by $14.64 to $47.19 a month. Each vendor is priced on its cheapest class for each month, however long that class takes to read; the bills below keep the class each one names.
Data you back up GB TB PB Downloaded in a normal month GB TB PB Downloaded the month you restore GB TB PB
Both sides use the same numbers, and the bills follow as you type. Files, requests, download speed and restore deadlines use the calculator defaults .
Amazon S3 S3 Glacier Instant Retrieval · US East (N. Virginia)
$170.01 Normal month Cheaper
$1,297.60 Restore month
Ready at once
$37.25 $30.00 $74.82 $27.94 $0.00
Azure Blob Storage Cold LRS · East US
$170.83 Normal month
$1,347.23 Restore month
Ready at once
$33.53 $29.00 $78.30 $30.00 $0.00
Three standard backups, both bills Each bill is the vendor's cheapest class with a complete total for that month. 1 TB, 10 TB and 50 TB kept; a tenth, a tenth and a twentieth downloaded in a normal month; everything downloaded in the month you restore. The lower bill in each pair of columns is underlined.
What decides it besides the price Downloads: the first 100 GB of downloads free each month. Minimums: S3 Standard, S3 Intelligent-Tiering, S3 Express One Zone, no minimum; S3 Standard-IA, S3 One Zone-IA, 30-day minimum per object; S3 Glacier Instant Retrieval, S3 Glacier Flexible Retrieval, 90-day minimum per object; S3 Glacier Deep Archive, 180-day minimum per object. Where the data sits: United States (Northern Virginia), Germany (Frankfurt). Object Lock: supported. Downloads: the first 100 GB of downloads free each month. Minimums: Hot LRS, no minimum; Cool LRS, 30-day minimum per object; Cold LRS, 90-day minimum per object; Archive LRS, 180-day minimum per object. Where the data sits: United States (East US), Netherlands (West Europe). Price both on your own workload , with your region, an Object Lock requirement or a restore deadline.
Fixed example: 10 TB, line by line These bills are for the standard 10 TB workload and do not follow the controls above. Prices checked 6 November 2026 .
Amazon S3: S3 Glacier Instant Retrieval , US East (N. Virginia)
Normal month
$170.01 Normal-month bill, line by line Amazon S3 Glacier Instant Retrieval US East (N. Virginia) , priced per GB , normal month
$37.25 $30.00 $74.82 $27.94 $0.00
Storage $37.25 How the storage charge is worked out Component Quantity Rate Amount Storage 9,313.226 GB-month 0.004 $37.25
9,313.226 GB-months billed, after any minimum object size, rounding or minimum capacity the vendor sets.
Downloads (egress) $74.82 How the download charge is worked out Component Quantity Rate Amount Downloads to the internet 831.323 GB 0.09 $74.82
831.323 GB billable after the published allowance.
Requests (Class A and B) $30.00 How the Class A and Class B request charge is worked out Component Quantity Rate Amount Class A operations 500 blocks of 1,000 operations 0.02 $10.00 Class B operations 2,000 blocks of 1,000 operations 0.01 $20.00
Class A and Class B operations after published allowances.
Retrieval $27.94 How the retrieval charge is worked out Component Quantity Rate Amount Retrieval 931.323 GB 0.03 $27.94
A restore only reads your data; nothing is deleted, so there is no early-deletion charge.
Fixed fees $0.00 Published fixed monthly fees.
Normal month total $170.01 Calculated from the provider's listed rates.
Month you restore
$1,297.60 Restore-month bill, line by line Amazon S3 Glacier Instant Retrieval US East (N. Virginia) , priced per GB , month you restore
$37.25 $40.00 $913.01 $307.34 $0.00
Storage $37.25 How the storage charge is worked out Component Quantity Rate Amount Storage 9,313.226 GB-month 0.004 $37.25
9,313.226 GB-months billed, after any minimum object size, rounding or minimum capacity the vendor sets.
Downloads (egress) $913.01 How the download charge is worked out Component Quantity Rate Amount Downloads to the internet 10,144.548 GB 0.09 $913.01
10,144.548 GB billable after the published allowance.
Requests (Class A and B) $40.00 How the Class A and Class B request charge is worked out Component Quantity Rate Amount Class A operations 500 blocks of 1,000 operations 0.02 $10.00 Class B operations 3,000 blocks of 1,000 operations 0.01 $30.00
Class A and Class B operations after published allowances.
Retrieval $307.34 How the retrieval charge is worked out Component Quantity Rate Amount Retrieval 10,244.548 GB 0.03 $307.34
A restore only reads your data; nothing is deleted, so there is no early-deletion charge.
Fixed fees $0.00 Published fixed monthly fees.
Month you restore total $1,297.60 Calculated from the provider's listed rates.
Azure Blob Storage: Cold LRS , East US
Normal month
$170.83 Normal-month bill, line by line Azure Blob Storage Cold LRS East US , priced per GB , normal month
$33.53 $29.00 $78.30 $30.00 $0.00
Smallest billed file size Not published Minimum billable object size is not published . No object-size adjustment was applied.
Storage $33.53 How the storage charge is worked out Component Quantity Rate Amount Storage 9,313.226 GB-month 0.0036 $33.53
9,313.226 GB-months billed, after any minimum object size, rounding or minimum capacity the vendor sets.
Downloads (egress) $78.30 How the download charge is worked out Component Quantity Rate Amount Downloads to the internet 900 GB 0.087 $78.30
900 GB billable after the published allowance.
Requests (Class A and B) $29.00 How the Class A and Class B request charge is worked out Component Quantity Rate Amount Class A operations 500 blocks of 1,000 operations 0.018 $9.00 Class B operations 2,000 blocks of 1,000 operations 0.01 $20.00
Class A and Class B operations after published allowances.
Retrieval $30.00 How the retrieval charge is worked out Component Quantity Rate Amount Retrieval 1,000 GB 0.03 $30.00
A restore only reads your data; nothing is deleted, so there is no early-deletion charge.
Fixed fees $0.00 Published fixed monthly fees.
Normal month total $170.83 Calculated from the provider's listed rates.
Month you restore
$1,347.23 Restore-month bill, line by line Azure Blob Storage Cold LRS East US , priced per GB , month you restore
$33.53 $39.00 $944.70 $330.00 $0.00
Smallest billed file size Not published Minimum billable object size is not published . No object-size adjustment was applied.
Storage $33.53 How the storage charge is worked out Component Quantity Rate Amount Storage 9,313.226 GB-month 0.0036 $33.53
9,313.226 GB-months billed, after any minimum object size, rounding or minimum capacity the vendor sets.
Downloads (egress) $944.70 How the download charge is worked out Component Quantity Rate Amount Downloads to the internet 10,000 GB 0.087 $870.00 Downloads to the internet 900 GB 0.083 $74.70
10,900 GB billable after the published allowance.
Requests (Class A and B) $39.00 How the Class A and Class B request charge is worked out Component Quantity Rate Amount Class A operations 500 blocks of 1,000 operations 0.018 $9.00 Class B operations 3,000 blocks of 1,000 operations 0.01 $30.00
Class A and Class B operations after published allowances.
Retrieval $330.00 How the retrieval charge is worked out Component Quantity Rate Amount Retrieval 11,000 GB 0.03 $330.00
A restore only reads your data; nothing is deleted, so there is no early-deletion charge.
Fixed fees $0.00 Published fixed monthly fees.
Month you restore total $1,347.23 Calculated from the provider's listed rates.
Price both on your own workload , including the day you restore.
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