Difference Between DFP Small Business and DFP Premium?

DoubleClick For Publisher is type of adserver created to help the publisher sell the site inventory to Ad exchanges or run the ads on their site by directly reaching out to advertiser/Agency.
There are two main type of DFP account exist in the market, most of the times beginner get confused which one to choose because one is free and another is paid. If you dont have that much functionality requirement then you might waste money on necessary functionality.
So What is difference between DFP Small business and DFP premium ?  And Which one should Choose ?
DFP Small Business:
DoubleClick for Publishers (DFP) Small Business is a free ad management solution that helps growing publishers sell, schedule, deliver, and measure all of their digital ad inventory.
With a simple interface, rich feature set, built-in revenue optimization, and Google powered ad delivery, you’ll be quickly on your way to maximizing the value of your ad impressions.

Features:

•  Cost of Setup : Free , You just need Google Account
• Minimum Monthly Impression Requirement: NONE
• Master Companion Setup Support: NO
• Ad Sense support : YES
• Ad Exchange Support: NO
• Line Item Type Hierarchy: Up to 7 Level which include (Sponsorship,Standard etc)
• Exclusive Ads with Impression Target Support:No

• No Of Line Item, Creatives,Targeting,Placement Limit: Yes

Total line items	600,000
Active line items and creatives with targeting	61,000
Line items per order	450
Creatives per line item	260
Targeted criteria per line item	800
Active placements	60,000
Active key-value pairs	2,500,000
Ad units per placement	1,000
Active keys (pre-defined & free-form)	200
Ad units per exclusion rule	1,000

DFP Premium:
Those publisher or publisher network which have inventory in millions and want to sell their inventory directly to advertiser via Programmatic or direct need to use this feature.
Features:

•  Cost of Setup : Depend upon the requirement and feature needed
• Minimum Monthly Impression Requirement: 90 Million ad impression/Month (This doesnt Include Adx/Adsense)
• Master Companion Setup Support: Yes
• Ad Sense support : YES
• Ad Exchange Support: Yes
• Line Item Type Hierarchy: More 7 Level which include (Sponsorship,Standard,Adx)
• Exclusive Ads with Impression Target Support:Yes (Option provided To deliver Minimum Number of Impressions AFAP then it will goes back to normal Standard Delievery )

Contact DFP small business:
To get the DFP premium Account you may need to contact DFP sales team and based on the your requirement pricing may vary.
Contact DFP Premium Sales
Here is the basic pricing model For DFP premium , It may vary based on the requirement and we got this pricing few year back so it will be different since DFP added various functionality. As a reference follow
DFP Premium Pricing 
Fee Scheduled for Traditional ad-serving and related features

CPM Standard Ad impressions (ad Impression/Month)	Rate (USD)
0- 90 Millions	0
90 Millions – 150 Millions	0.0167
150 Millions -200 Millions	0.0167
200 Millions – 500 Millions	0.014
500 Millions – 1 Billions	0.01
1 Billions – 3 Billions	0.0075
Greater than 3 Billions	0.0065

For additional Requirement such as video ads or Click ads below are the terms and conditions and pricing

• Video Ads that are uploaded by Company shouldn’t exceed the limit of 30 Mb
• No Additional Charges will be applied if Company Upload the video on their FTP and provide the link in DFP also No charges will be applied if video ad is serving via Adsense or Ad exchange.
• Video rates are applied on CPM basis

Video	Rate (USD)
0 – 800,000	0
Greater than 800,000	0.17

Additional Fees For Click

Clicks/Month	Rate (USD)
0 – 300,000	0
300,001 – 500,001	0.01
Greater Than 500,001	0.01