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Author Topic: DIR-857 vs DIR-865  (Read 37987 times)

rlcronin

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DIR-857 vs DIR-865
« on: July 18, 2012, 11:08:40 AM »

Could someone (Furry?) summarize the differences between these two? Thanks ...
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JavaLawyer

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Re: DIR-857 vs DIR-865
« Reply #1 on: July 18, 2012, 11:37:12 AM »

The primary difference between the DIR-857 and DIR-865L is network protocol and speed.  The DIR-857 relies on dual band wireless N, with a theoretical throughput of 900 MB/s (450 MB/s Wireless N + 450 MB/s Wireless N). The DIR-865L is also dual band, but uses Wireless N and the new wireless ac standard (still under review), resulting in a theoretical combined throughput of 1750 MB/s (1300 MB/s Wireless ac + 450 MB/s Wireless N).
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FurryNutz

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Re: DIR-857 vs DIR-865
« Reply #2 on: July 18, 2012, 11:38:57 AM »

DIR-857: In short -
Atheros AR9380 450Mb WiFi  
Multi-Media services
Next Gen QoS(Ya we know about the 2Mb Uplink issue.)  ::)
IPv6 services(IP, routing and firewall)  
Ubicom IP8000AU CPU

DIR-865L: In short - From reading the manual.
Up to 450Mb N Wifi on 2.4Ghz
Equipped with Broadcom’s 5G WiFi (802.11ac) chip - Up to 450Mb N  or 1300Mbps (Draft A/C) on 5Ghz, A/C is draft so it's still in development and hasn't fully been standardized as of yet. N was the same way.
Bridgeable WiFi connections. (Yes finally something to satisfy users bugging DLink about routers that don't bridge WiFi.)  ::)
Multi-Media services
Cloud services
Has same QoS UI as DIR-645 which differs from the rest of the DIR series routers. For an example: DIR-645
IPv6 services(IP, routing and firewall)
Unknown CPU at this time.


Will see who and what Mfrs will support the A/C Wifi on the client side.
So far I bought a Trendnet and a Asus adapters to upgrade to get 450Mb from my DIR-857. DLink has a DAP-1533 that seems to support 450Mb as well. No information on A/C support yet. I presume it's in the works some wheres.
« Last Edit: July 19, 2012, 10:04:31 AM by FurryNutz »
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JavaLawyer

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Re: DIR-857 vs DIR-865
« Reply #3 on: July 18, 2012, 11:40:57 AM »

Will see who and what Mfrs will support the A/C Wifi on the client side.
So far I bout a Trendnet and a Asus adapters to upgrade to get 450Mb from my DIR-857. DLink has a DAP-1533 that seems to support 450Mb. No information on A/C support yet. I presume it's in the works some wheres.

This was a significant issue when the 5GHz Wireless N routers were first released. There were only a handful of manufacturers offering wireless network adapters that supported the new standard. I suspect we're in for the same wait with ac.
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FurryNutz

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Re: DIR-857 vs DIR-865
« Reply #4 on: July 18, 2012, 11:43:49 AM »

Agreed. I think everyone needs to be patient and eventually it will get filtered down. It's only been recently over the past year or two that N has become more used by the end user. I presume A/C will follow the same path, when everyone gets ready for it.  ::) Still, I wonder why Mfrs don't release client side support when they come out with the hosts all at the same time.  :-\
« Last Edit: July 18, 2012, 11:46:39 AM by FurryNutz »
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JavaLawyer

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Re: DIR-857 vs DIR-865
« Reply #5 on: July 18, 2012, 11:47:47 AM »

The one downside (if you want to call it that), is that when a new standard like "5GHz N" or "ac" is released, loyalists of a particular brand (like D-Link) have no choice but to purchase wireless network adapters from the few available competing brands that are first-to-market. Additionally, network adapters from a particular manufacturer are typically designed to optimize compatibility and communication with routers of the same brand.
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rlcronin

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Re: DIR-857 vs DIR-865
« Reply #6 on: July 18, 2012, 08:06:08 PM »

I see references to amplified WiFi in the 865. What is that exactly? Would I get better range on 2.4ghz with the 865 versus the 857? The 857 has better range than my old Linksys E4200 but it is still spotty in some places in my house.Enough so that I would consider the 865 if this amplifier function is a real improvement. Honestly I wish router manufacturers would use external antennas. I always had better luck with routers with them in my house.
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FurryNutz

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Re: DIR-857 vs DIR-865
« Reply #7 on: July 18, 2012, 10:35:15 PM »

Could mean anything. Not sure if they are uppin the wattage on the out put for more range or not. I don't know any one who has one yet. Not sure if the FCC has opened up more out put or not, only time will tell or someone who gets one and tests it out.
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JavaLawyer

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Re: DIR-857 vs DIR-865
« Reply #8 on: July 19, 2012, 05:34:26 AM »

This is most likely not an apples-to-apples comparison, but you can compare the measured performance for the Netgear 900N vs. Netgear ac routers (which have been out for some time now) for a relative comparison of N 5GHz, N 2.4 GHz, and ac).  At the very least, this comparison can provide a good indicator of real-world performance metrics for the N vs. ac protocols.

Be mindful of the source of the reviews you read. Different testing labs use very different testing methods which often culminates in very different results. The more reviews you expose yourself to, the better your understanding will be of where the performance results "actually" lie.
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icemankent

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Re: DIR-857 vs DIR-865
« Reply #9 on: July 20, 2012, 07:27:51 AM »

I just checked the user manual for the 865L.
I like their new QoS setup.

I noticed, however that on "Internet Sessions", they do not show the priority/queue, unfortunately.
The DGL-4500 does, and it is tremendously helpful to see your QoS in "action".
I hope that D-Link adds that functionality to the Internet Sessions page.

I'll be first in line to try this new 865L out - hopefully soon.  :-)

I think this forum needs a new section to be created for the DIR-865L - rather than talking about it only here.
:-)
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FurryNutz

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Re: DIR-857 vs DIR-865
« Reply #10 on: July 20, 2012, 07:41:36 AM »

The 865s QoS is the same as the DIR-645s. I like it because they have speed option presets above 2mb for up and down links.

When the forum goes live, I believe it will be under the D-Link Cloud Routers section of the forum.  ;)
« Last Edit: July 20, 2012, 07:48:11 AM by FurryNutz »
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rlcronin

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Re: DIR-857 vs DIR-865
« Reply #11 on: July 20, 2012, 07:18:20 PM »

Could mean anything. Not sure if they are uppin the wattage on the out put for more range or not. I don't know any one who has one yet. Not sure if the FCC has opened up more out put or not, only time will tell or someone who gets one and tests it out.
Oh well, guess I gotta order one and find out ...
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FurryNutz

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Re: DIR-857 vs DIR-865
« Reply #12 on: July 20, 2012, 07:34:28 PM »

We are waiting with baited breathe.  ;D
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rlcronin

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Re: DIR-857 vs DIR-865
« Reply #13 on: July 24, 2012, 01:03:42 PM »

The DIR-865 is in the house. In a nonscientific semi-subjective survey of the 2.4Hz WIFI signal strength in various locations in my house (as measured by the WiFi Analyzer app on my Galaxy S3), I can report that in most locations the signal strength does seem somewhat improved over the readings I got from the DIR-857. Between 10-20% better depending on location. My most problematic location (2.5 floors up in an attic room, away from the stairwell leading downstairs) stayed the same (-75 dbm on average, which is still usable and no worse than the 857). If I step into the part of the room that has a direct view of the stairwell, the signal jumps up significantly. The signal strength on the 2nd floor is way better than with the 857. All in all, I guess I'll keep it. The UI is more like my old DIR-655. In particular, whereas the 857 seemed to reboot every time I made the slightest change to anything, the 865 only reboots for earth-shattering changes (e.g. the IP address, a new password, etc.). That's appreciated. As to the 5G signal levels, they are pathetic as compared to the 2.4G levels, but since I haven't really used 5G much yet, I don't have a good feeling for whether they are better or worse than what the 857 puts out. I've got a lot more exploring to do, so consider this an extremely preliminary report.
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FurryNutz

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Re: DIR-857 vs DIR-865
« Reply #14 on: July 24, 2012, 01:17:42 PM »

How interesting...

Remember that most recommended wireless configurations is to have the host router on the same floor or level or central in the building so that there is good coverage should there be floors below or above.

5Ghz is best in line of side or maybe one wall away between the host router and client.
What is the highest wifi connection speed that your devices support?

Does the 865 have a reboot later option? The 857 has this as well and even though you make changes, it should offer a reboot later option.

Post pics of any different UI sections that are not seen on the 857 or other routers if you can. The UI for the QoS should be like the 645 from what the manual says. Can you confirm?

If you can, do some file xfer testing, same room, wired and wireless, if you have time. Last test I did was with 1Gb and 4Gb files. If you have time.

Thanks for the feedback.
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