IPC 4k 8MP 25-30fps hard to find - current generations

Hazza06

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Hello,
Does anybody know why Dahua current generation of IPC are mostly 15fps at 4K (8MP) resolutions ?

For example, i'm trying to find a bullet style IPC, i already have a number of the IPC-HFW2831T-ZS-S2 which can only can do 15fps @4k 8MP, Compared to the earlier generation IPC-HFW2831T-ZS which does 25fps @4k 8MP ....

It seems Dahua don't really offer much, if any at all, IPC in current generation that do 25-30fps 4K (8MP) resolutions...

It seems like a big step back. Be interesting to know the reasons, ususally later generations are step improvements, but not the case for IPC...

The reason i'm looking for a 25-30 fps @4K resolution IPC, is i have a area i need to monitor that has car/road traffic, and at 15fps, the footage is not really of much security use.

Best Regards...
 

mat200

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Hello,
Does anybody know why Dahua current generation of IPC are mostly 15fps at 4K (8MP) resolutions ?

For example, i'm trying to find a bullet style IPC, i already have a number of the IPC-HFW2831T-ZS-S2 which can only can do 15fps @4k 8MP, Compared to the earlier generation IPC-HFW2831T-ZS which does 25fps @4k 8MP ....

It seems Dahua don't really offer much, if any at all, IPC in current generation that do 25-30fps 4K (8MP) resolutions...

It seems like a big step back. Be interesting to know the reasons, ususally later generations are step improvements, but not the case for IPC...

The reason i'm looking for a 25-30 fps @4K resolution IPC, is i have a area i need to monitor that has car/road traffic, and at 15fps, the footage is not really of much security use.

Best Regards...
HI @Hazza06

You may need to look for models which have more processing power.. most probably in higher tier ranges. ( i.e. not the 2xxx tier.. )
 

Hazza06

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Even the mid to higher end current generations mostly do 15fps @4k, Dahua really went backwards...

IPC_comparision.PNG
 

Hazza06

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i ended up buying a few of the remaining IPC-HFW1831E which do 25fps PAL 4K 8MP, for a good price, i found a local supplier that still has a couple of hundred in stock..even though they are EoL officially..i also found one of the IPC-HFW2831T-ZS , but don't really need to SD-CARD slot for my application, as i have NVR to record to. Seems like the IPC-HFW1831E likely good value for money whilst still capable of decent frame rate etc...just getting harder to find....
 

Starling

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I can't understand either why they updated the camera but downgraded the fps from 25 to 15.
 

bp2008

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It is a shame these are getting seemingly downgraded. IPC-HFW1831E 2.8mm is my favorite cam to use for overviews. These are no substitute for a real 2MP or 4MP starlight cam for getting identification shots, but as just an overview they are fine and nice to show on a 4K TV. I also have two 6mm versions but the focus is poor in certain corners which is annoying.

I'd like to see reviews of the new 1/2.7" models to see just how much worse the low light capability is. I don't really care so much that they don't do 30 FPS because honestly Blue Iris doesn't handle 4K 30 FPS very well anyway in my experience. I mostly stream to UI3 and the frame rate goes all over the place when the source is 4K@30.

As of today the 4mm and 6mm versions are still available from Andy's amazon store for $140 USD. I already have one 2.8mm spare and just ordered a 4mm as a second spare. I could always replace some old Hik 2032 bullets with them.
 

Hazza06

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i can't understand Dahua's product road-map strategy either, with significant downgrading frame rate, plus EoL'ing the decent earlier generation IPC that do better frame rate, big steps backwards....
 

Hazza06

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i can always understand wanting to be more competitive in the market, driving costs down, with release on new generation IPC, but to drive up their profit margins and to sacrifice big ticket items such as product frame rate, is well, lets just say, pure greed....especially as time goes on, SoC processing power exponentially increases, there's no technical excuse for the behavior...
 

chaosengine

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Let's see. Any owner of one of these cameras around here?

IPC-HDBW1831R
IPC-HFW1831E
IPC-HFW2831T-ZS
IPC-HFW2831T-ZAS
IPC-HDBW2831R-ZS
IPC-HDBW2831R-ZAS

They all are using same firmware image, so they are based on same board/SOC and I guess it's an Ambarella.
Please run this command on Windows/Linux command line to see what's inside:
Code:
curl --digest --globoff  "http://admin:yourpassword@x.x.x.x/cgi-bin/magicBox.cgi?action=getSystemInfo"
This is what I'm searching for:

processor=S3LM
updateSerial=IPC-HDW5231R-Z-2713
####
processor=S3LM
updateSerial=IPC-HFW4239T-ASE-NI
####
processor=HI3516DV300
updateSerial=IPC-HDW5442TP-AS
####
processor=HI3519AV100
updateSerial=IPC-HFW5842HP-ZHE
 

Starling

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i can always understand wanting to be more competitive in the market, driving costs down, with release on new generation IPC, but to drive up their profit margins and to sacrifice big ticket items such as product frame rate, is well, lets just say, pure greed....especially as time goes on, SoC processing power exponentially increases, there's no technical excuse for the behavior...
Especially as there are so few 4K cameras out there that record video at 25fps or more for an affordable price, it's a desirable feature so you would think that they would sell a lot. But maybe they are taking it away as they just want people to buy the much more expensive cameras that are 25fps+.
 

Hazza06

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what do Dahua think were are that stupid and didn't notice that the same model earlier generation IPC's did 25fps @4k, then decide to take it away...they really are taking the mickey out of us ...and they think existing Dahua customers would be happy ??
 

mat200

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what do Dahua think were are that stupid and didn't notice that the same model earlier generation IPC's did 25fps @4k, then decide to take it away...they really are taking the mickey out of us ...and they think existing Dahua customers would be happy ??
It is a shame these are getting seemingly downgraded. IPC-HFW1831E 2.8mm is my favorite cam to use for overviews. ..
I'd like to see reviews of the new 1/2.7" models to see just how much worse the low light capability is. I don't really care so much that they don't do 30 FPS because honestly Blue Iris doesn't handle 4K 30 FPS very well anyway in my experience. I mostly stream to UI3 and the frame rate goes all over the place when the source is 4K@30.
..
Indeed interesting questions...

I've been wondering what is going on, reports that the new Lorex kit at costco has cameras with smaller sensors compared to the prior model..

The AI versions of the Dahua OEM cameras moving to 15fps from 25-30fps make a lot of sense to me as compute power goes up and you want to keep the camera costs down.

Still it seems to me many customers would like to see 30fps in the specs... "4K" and 30fps seems specs which has a lot of interested customers looking for. ( even if in many security camera purposes you're ok with 15fps or less.. )

Now I am wondering about the supply chain.. perhaps there are supply issues with processing and sensor chips that is forcing some of this? Hmmmm... really wondering now if we're seeing a pandemic related issue here.
 

Hazza06

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except the models i've been looking at are not marketed as AI, so no extra burden on SoC for AI cycles. Still doesn't explain the reason for taking away 25fps 4K...

IPC-HFW2831T-ZS -> does 25fps 4K, and is now EoL
IPC-HFW2831T-ZS-S2 -> is the same model replacement, and does not do 25fps 4k

And i know it's not pandemic supply chain issue related, as the date of manufacture of my IPC-HFW2831T-ZS-S2, well and truly pre-dates C19...

Only likely explanation is $$$ greed...
 

Warptrooper

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Honestly Dahua lost a sale.

I just ordered a Hikvision 2385 from Andy. Nice 1/2" sensor + 4K + Audio + 20 FPS + 16 Mbps

Why would I cheap out and get a crappy 2831 with puny 1/2.7" sensor + no audio + 15 FPS + 8mbps all to save a few dollars only.

Hik is slapping Dahua silly when it comes to budget 4K imho
 

Hazza06

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exactly..Dahua product road-map on current generation IPC turned to sh&t, for no good product or technical reasons....the bean counters must also be their product managers....recipe for crap products...
 

fenderman

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exactly..Dahua product road-map on current generation IPC turned to sh&t
Yes its terrible, horrific...what are you going to do with this disaster. You must have 8mp @30fps, that is a must. In fact, I dont know why you limit yourself to such low numbers. 24mp at 60fps is my current minimum. I am recording a hollywood movie with my surveillance cams. The working title is "did my neighbor let his dog take a shit in my yard".
The only explanation is that you are a greedy son of a bitch who thinks dahua owes you something. Lets assume that your reasoning is correct and they want to make more money, why is that any more greedy than you not wanting to pay more that bottom barrel pricing?
 

fenderman

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Honestly Dahua lost a sale.

I just ordered a Hikvision 2385 from Andy. Nice 1/2" sensor + 4K + Audio + 20 FPS + 16 Mbps

Why would I cheap out and get a crappy 2831 with puny 1/2.7" sensor + no audio + 15 FPS + 8mbps all to save a few dollars only.

Hik is slapping Dahua silly when it comes to budget 4K imho
Dahua doesnt give a crap about its sale to you. In fact, they dont want you as a customer. They is why the dont sell to you and dont want their distributors selling to you. For that matter hikvision feels the same way. They dont need someone with 3 weeks of ip camera expertise telling them how to run their business.
 
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