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Thursday, 29 December 2011 13:02

Radeon HD 7770 brings 28nm for $149

Written by Fuad Abazovic



164 square mm chips


If you can hold your breath until February, it looks like AMD will introduce the smallest 28nm graphics chip at a very affordable price.

The Radeon HD 7770 is based on the Cape Verde XT chip and it should end up clocked at 900MHz. It has 896 stream processors as well as 56 texture units and 16 ROPs. The memory is clocked at 1375MHz (5.5GHz GDDR5 effective).

Since the card is trimmed to a 128-bit memory interface, its memory bandwidth is 88GB/s and it comes with 1GB memory. It should start selling at some point in February for $149.

The runner up is HD 7750 based on Cape Verde PRO, works at 900MHz has 832shaders, 52 TMUs and 16 ROPs. The memory works at 5.0GHz bringing the total possible bandwidth to 80 GB/s for its 1GB of memory. This one will sell for $10 less, or $139.

Of course, for more demanding users Pitcairn cards will be the preferred choice. The HD 7870 and HD 7850 feature a 256-bit memory bus, along with more shaders and higher clocks. They will sell for $299 and $249 respectively.

There are more details to follow, but we know that Pitcairn should also come in February and that the chip measures 245 square millimeters.

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Comments  

 
+3 #1 yanz 2011-12-29 13:38
So they are gonna offer a 88 GB/s card (7770) as a substitute for 128 GB/s card (6850 for 150 EUR), pricewise of course.

The 6770 outs 76 GB/s and sells for 100 EUR. This should be priced at 120 EUR for 7770.

I guess they charge for elctricity savings also:). Where is the competition? ah, late... with newer designs and even higher prices...
 
 
+9 #2 noel1993 2011-12-29 14:09
That's sucks. I was hoping for something in a range of 6850 replacement with lower price. Instead I'm looking at a 10-20% bumped up 5770 for 50% more $. Last decade I've changed GPU every year for twice stronger for the same 130 bucks, until '08. I swear to God, TSMC with AMD and NVIDIA are running some quiet price fixing scheme.
 
 
-1 #3 The_Countess 2011-12-29 14:25
Quoting noel1993:
That's sucks. I was hoping for something in a range of 6850 replacement with lower price. Instead I'm looking at a 10-20% bumped up 5770 for 50% more $. Last decade I've changed GPU every year for twice stronger for the same 130 bucks, until '08. I swear to God, TSMC with AMD and NVIDIA are running some quiet price fixing scheme.


they've had issues transitioning production processes since 08. but so far I've been able to skip 2 generations before getting a new card for about 300-400 and have gotten great deals. with this hd7xxx series its time for me to make a new purchase.
 
 
+4 #4 Haberlandt 2011-12-29 14:59
Is it the end of < $100 video cards?
 
 
+1 #5 nforce4max 2011-12-29 15:02
Quoting noel1993:
That's sucks. I was hoping for something in a range of 6850 replacement with lower price. Instead I'm looking at a 10-20% bumped up 5770 for 50% more $. Last decade I've changed GPU every year for twice stronger for the same 130 bucks, until '08. I swear to God, TSMC with AMD and NVIDIA are running some quiet price fixing scheme.


They have been fined for it before.
http://www.shacknews.com/article/54969/nvidia-ati-price-fixing-case
 
 
-1 #6 Anth 2011-12-29 16:25
The question I want to know is which will be the most powerful card that draws all its power from the motherboard connector and not needing the separate PCIe power from the PSU. We are at the stage of 28nm after all.
 
 
-4 #7 spede 2011-12-29 17:25
Quoting noel1993:
That's sucks. I was hoping for something in a range of 6850 replacement with lower price. Instead I'm looking at a 10-20% bumped up 5770 for 50% more $. Last decade I've changed GPU every year for twice stronger for the same 130 bucks, until '08. I swear to God, TSMC with AMD and NVIDIA are running some quiet price fixing scheme.


It's called business. You want AMD to be operational in 2012 too, right? Don't expect prices drop miraculously after each GPU generation. It has never happened, and it will never happen. AMD still has better price/performance/Watt ratio than nvidia.
 
 
+2 #8 Carbonfibre 2011-12-29 18:37
I have my own little conspiracy running that Nvidia and AMD have agreed to alternate new chips on purpose. Fermi getting delayed? Yeah right!

They know there's a small market out there who has to own the latest and greatest all the time. Why not get that "idiot" to purchase a new flagship card from each company every half-generation instead of choosing the best.

AMD and Nvidia leapfrog each other in a routine fashion, each will benefit from a large release window for price hiking. /bleh :P
 
 
-2 #9 crackerz 2011-12-29 19:38
Quoting noel1993:
Last decade I've changed GPU every year for twice stronger for the same 130 bucks, until '08


+1

(every year the companies was producing a GPU for the same bucks as the previous generation when introduced and the previous generation became very cheaper)
 
 
-2 #10 Singularity 2011-12-30 07:55
Quoting yanz:
So they are gonna offer a 88 GB/s card (7770) as a substitute for 128 GB/s card (6850 for 150 EUR), pricewise of course.


Bandwidth alone does not decide performance. The 5770 had similar performance to the 4870 despite the bandwidth disadvantage (76 GB/s vs 115 GB/s).
 

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