PowerColor Radeon HD 4830 512 MB

W1zzard · Oct 22, 2008, 05:10 PM

To read this review go to: http://www.techpowerup.com/reviews/Powercolor/HD_4830/

Frick · Oct 23, 2008, 06:24 AM

Woop woop! To bad they're so close to the HD4850's pricing though.. They're basicly the same over here.

v-zero · Oct 23, 2008, 08:31 AM

Great performance, but they'll have to hit £75 to be worth it over the 4850...

WarEagleAU · Oct 23, 2008, 11:44 AM

Very nice, especially with the HDMI port. Love the core overclock, that in itself is spectacular

jbunch07 · Oct 23, 2008, 12:05 PM

Wow that thing is not bad! Thanks for the review W1zz, I never noticed the Fold@home table, is that new or have I just been missing it?

DarkMatter · Oct 23, 2008, 12:49 PM

When RV770 launched I remember reading somewhere that originally it was going to have 8 SIMD clusters (640 SPs), but because the resulting chip met so well their performance-per-mm2 goal they decided to increase it to 10 (800 SPs). Looking at this review I have to say, that was a really BAD decision on AMD's part.

HD4830 is:

1- 10% slower than HD4850 (625 Mhz) running @ 575 Mhz. The difference in clock is 9%. It's almost as fast clock for clock.

2- The temperatures are much lower even when overclocked than those of RV770 on stock clocks.

3- 30% OC when RV770 barely does 12%.

All this happens with a card that is made from defective RV770 cores. Imagine what would have happened if it was natively a 640 SP core...

EDIT: Also take a look at the one from AMD. With 80 SP less (%15 less) is only 3% slower. Obviously RV770 has way too much SP power, much more than what it can handle.

mdm-adph · Oct 23, 2008, 01:18 PM

That core overclock is just amazing. Any way we can see a performance chart featuring the 4830 overclocked?

newtekie1 · Oct 23, 2008, 01:34 PM

Wow, nice review, and a great card to boot. They definitely achieved their goal of matching the 9800GT, now they just need to get the price in line and I'll consider an HD4830.

Another note, this is an example of how much drivers play a role in performance. If you look at the review of the HD4670, with the HD4670 on the newer 8.10 drivers, and the HD3850 on the older drivers. The two seem equal, but now that you have benched them all on the new drivers, the HD3850 comes out a decent bit ahead.

ste2425 · Oct 23, 2008, 02:37 PM

thats a great review, and a great card if the price falls ill be deffinitally considering it over the HD4850 the performance is like only 8-10% different and it seems to be able to handle the higher resolutions really well. Great card in my opinion, if you get the one with the full shaders that is, it was shaders there having a problem with right?

rpsgc · Oct 23, 2008, 02:57 PM

No overclocked benchmark makes me sad

ste2425 · Oct 23, 2008, 03:14 PM

how long will it be, do you think, before i we start seeing the powercooler version on the web? ive tried a search on Ebuyer and Ebay and now luck, theres the AMD and Saphire versions but not Powercooler and id like to see how much cheaper the Powercooler versions really are

suraswami · Oct 23, 2008, 05:09 PM

As usual excellent review W1z.

One request - If time permits could you also review these new cards' HD/BD playing capabilities, High definition audio decoding capabilities like Dolby TrueHD and DTS HD MA (both 5.1 or 7.1 ch) for media center geeks like me?

Thanks

W1zzard · Oct 23, 2008, 05:44 PM

Quote:

Originally Posted by suraswami

As usual excellent review W1z.

One request - If time permits could you also review these new cards' HD/BD playing capabilities, High definition audio decoding capabilities like Dolby TrueHD and DTS HD MA (both 5.1 or 7.1 ch) for media center geeks like me?

Thanks

tell me how?
afaik a hd 3450 can easily decode a bluray HD stream, so all faster cards should be able to as well?

suraswami · Oct 23, 2008, 05:53 PM

Quote:

Originally Posted by W1zzard

tell me how?
afaik a hd 3450 can easily decode a bluray HD stream, so all faster cards should be able to as well?

I am stuck with audio issues. I know most new generation cards do fine with Video. 3450 can only do 2 ch DD TrueHD.

Ok this is the problem I have,

Most of the new BD titles comes with only HD options in Audio like Dolby TrueHD and DD-HD and not adding regular DD and DTS. sicne I don't have a sound card that will do this neither an receiver that will do this I am stuck with 2 ch sound on great movies like Iron Man. I heard the 4xxx series cards does this HD decoding with full 7.1 support. I just wanted to know how far it is true. I am using PowerDVD Ultra 7.3. I heard PowerDVD 8 ultra does the software decoding if no hardware is present and downstream and send to spdif.

Assimilator1 · Dec 22, 2008, 11:29 AM

Well here in the UK anyway HD 4830s are down to £90-£95 (my Power Colour HD4830 was £90) & the HD 4850s are upto about £120-£130!

.

I don't know what the reviewer is on about when he says this card is noisey

, mine isn't anyway, I can just hear it over my quiet 120mm case fans so it's quite reasonable, and that's under load running F@H. THGs review of it also thought it was reasonabley quiet, maybe Power Color updated the bios & altered the fan speeds??

Re F@H chart, what's the point of entering the dual GPU cards when you're not using the 2nd GPU? Gives a false negative impression if people haven't read the text properly, better off leaving them out or better still running 2 GPU clients

.

Interesting review anyway & nice to see F@H in too

.

EviLZeD · Jan 10, 2009, 11:49 PM

Ebuyer was selling the 1GB ddr3 version for only £105 i couldnt resist hopefully it'll oc as high

Assimilator1 · Jan 11, 2009, 09:17 PM

1GB can't be used fully on a card of this spec, unless you can o/c the GPU lots.

Oct 22, 2008, 05:10 PM	#1
W1zzard Administrator Join Date: May 2004 Location: Stuttgart, Germany Posts: 12,292 (4.19/day) Thanks: 155 Thanked 8,149 Times in 2,505 Posts System Specs	PowerColor Radeon HD 4830 512 MB To read this review go to: http://www.techpowerup.com/reviews/Powercolor/HD_4830/ Last edited by W1zzard; Oct 23, 2008 at 11:56 AM.

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Oct 23, 2008, 06:24 AM	#2
Frick Eligible for custom title Join Date: Feb 2006 Location: Sweden Posts: 5,460 (2.40/day) Thanks: 722 Thanked 818 Times in 686 Posts System Specs	Woop woop! To bad they're so close to the HD4850's pricing though.. They're basicly the same over here. __________________ Laptop: HP nc6000 \| Pentium M 1,6Ghz \| 1.5GB DDR \| Radeon 9600 \| 14' 1024x768 \| DVD \| Windows XP Home "Sometimes we muffle laughter with mud."

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Oct 23, 2008, 08:31 AM	#3
v-zero Join Date: Apr 2006 Location: England Posts: 830 (0.37/day) Thanks: 1 Thanked 43 Times in 40 Posts	Great performance, but they'll have to hit £75 to be worth it over the 4850... __________________ “im drunk, have an penis an im glad to be a male” -Ketxxx “i have a big willy. GO ME!” -Ketxxx “. . . i have nothing better to do but love men . .” -Conti027

Oct 23, 2008, 11:44 AM	#4
WarEagleAU Bird of Prey Join Date: Jul 2006 Location: Gurley, AL Posts: 9,948 (4.63/day) Thanks: 3,511 Thanked 554 Times in 518 Posts System Specs	Very nice, especially with the HDMI port. Love the core overclock, that in itself is spectacular __________________ =-TheEagle-= Heatware: WarEagleAU 9-0 and growing. “You crazy? Surfing any website without an antivirus is like freaking with a dirty woman without protection” -OzzmanFloyd120 - Edited for content and clarity

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Oct 23, 2008, 12:05 PM	#5
jbunch07 Join Date: Feb 2008 Location: Chattanooga,TN Posts: 3,732 (2.40/day) Thanks: 491 Thanked 618 Times in 473 Posts System Specs	Wow that thing is not bad! Thanks for the review W1zz, I never noticed the Fold@home table, is that new or have I just been missing it?

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Oct 23, 2008, 12:49 PM	#6
DarkMatter Banned Join Date: Oct 2007 Posts: 1,694 (1.00/day) Thanks: 43 Thanked 188 Times in 152 Posts System Specs	When RV770 launched I remember reading somewhere that originally it was going to have 8 SIMD clusters (640 SPs), but because the resulting chip met so well their performance-per-mm2 goal they decided to increase it to 10 (800 SPs). Looking at this review I have to say, that was a really BAD decision on AMD's part. HD4830 is: 1- 10% slower than HD4850 (625 Mhz) running @ 575 Mhz. The difference in clock is 9%. It's almost as fast clock for clock. 2- The temperatures are much lower even when overclocked than those of RV770 on stock clocks. 3- 30% OC when RV770 barely does 12%. All this happens with a card that is made from defective RV770 cores. Imagine what would have happened if it was natively a 640 SP core... EDIT: Also take a look at the one from AMD. With 80 SP less (%15 less) is only 3% slower. Obviously RV770 has way too much SP power, much more than what it can handle.

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Oct 23, 2008, 01:18 PM	#7
mdm-adph Join Date: Mar 2007 Location: Your house. Posts: 2,426 (1.29/day) Thanks: 401 Thanked 344 Times in 247 Posts System Specs	That core overclock is just amazing. Any way we can see a performance chart featuring the 4830 overclocked? __________________ Win•dows: n. A thirty-two bit extension and graphical shell to a sixteen-bit patch to an eight-bit operating system originally coded for a four-bit microprocessor which was written by a two-bit company that can't stand one bit of competition.

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Oct 23, 2008, 01:34 PM	#8
newtekie1 Semi-Retired Folder Join Date: Nov 2005 Location: Indiana Posts: 16,187 (6.81/day) Thanks: 698 Thanked 4,289 Times in 3,154 Posts System Specs	Wow, nice review, and a great card to boot. They definitely achieved their goal of matching the 9800GT, now they just need to get the price in line and I'll consider an HD4830. Another note, this is an example of how much drivers play a role in performance. If you look at the review of the HD4670, with the HD4670 on the newer 8.10 drivers, and the HD3850 on the older drivers. The two seem equal, but now that you have benched them all on the new drivers, the HD3850 comes out a decent bit ahead. __________________ Rig1: System Specs. Rig2: Celeron E3200@4.0GHz / eVGA 780i A1 / 8GB G.Skill DDR2-800 4-4-4-12 / GT240 / Samsung DVD-Burner / 500GB Seagate 7200.10 + 2x1.5TB Seagate LP in RAID0 Rig3: Athlon X2 4200+ / M4A79 Deluxe / 4GB G.Skill Pi DDR2-800 4-4-4-12 / GT430 / Sony DVD-Burner / 500GB WD Rig4: Phenom II x6 1605T @ 3.6GHz / Asus M5A99X Evo / 8GB PNY DDR3-1600 9-9-9 / GTX470 & GTX465 / Samsung DVD-Burner / 1.5TB Seagate

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Oct 23, 2008, 02:37 PM	#9
ste2425 Join Date: May 2008 Location: Blackpool, uk Posts: 2,466 (1.69/day) Thanks: 634 Thanked 189 Times in 174 Posts System Specs	thats a great review, and a great card if the price falls ill be deffinitally considering it over the HD4850 the performance is like only 8-10% different and it seems to be able to handle the higher resolutions really well. Great card in my opinion, if you get the one with the full shaders that is, it was shaders there having a problem with right? __________________ “CD driver sometimes apply their own space-time continuum rules, I tell you they are the real reason NASA hasn't built a Mars habitat yet.” -MRCL “I pick AMD because I have no idea what I'm doing half the time.” -TheMailMan78 “Hey you can never have enough boobs.” -Triprift “Think of Viagra: it was originally made to help heart conditions and look what happened!” -qubit “LAN_deRf_HA: i am not trolling. i am just forced by their invisible force into upgrading. i am yet to find out what is that force.” -Dann23

Oct 23, 2008, 02:57 PM	#10
rpsgc Join Date: Feb 2007 Location: Portugal Posts: 601 (0.31/day) Thanks: 109 Thanked 100 Times in 72 Posts System Specs	No overclocked benchmark makes me sad

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Oct 23, 2008, 03:14 PM	#11
ste2425 Join Date: May 2008 Location: Blackpool, uk Posts: 2,466 (1.69/day) Thanks: 634 Thanked 189 Times in 174 Posts System Specs	how long will it be, do you think, before i we start seeing the powercooler version on the web? ive tried a search on Ebuyer and Ebay and now luck, theres the AMD and Saphire versions but not Powercooler and id like to see how much cheaper the Powercooler versions really are __________________ “CD driver sometimes apply their own space-time continuum rules, I tell you they are the real reason NASA hasn't built a Mars habitat yet.” -MRCL “I pick AMD because I have no idea what I'm doing half the time.” -TheMailMan78 “Hey you can never have enough boobs.” -Triprift “Think of Viagra: it was originally made to help heart conditions and look what happened!” -qubit “LAN_deRf_HA: i am not trolling. i am just forced by their invisible force into upgrading. i am yet to find out what is that force.” -Dann23

Oct 23, 2008, 05:09 PM	#12
suraswami Join Date: Apr 2005 Location: Irvine, CA Posts: 4,831 (1.85/day) Thanks: 724 Thanked 530 Times in 479 Posts System Specs	As usual excellent review W1z. One request - If time permits could you also review these new cards' HD/BD playing capabilities, High definition audio decoding capabilities like Dolby TrueHD and DTS HD MA (both 5.1 or 7.1 ch) for media center geeks like me? Thanks __________________ 2 Servers Multiple VMs including WHS on VM, capacity 3.5 TB HDD Family Machine - W7 Ultimate 64bit, ECS 780G, Phenom II X3 720BE @ 3.1Ghz- 1.38V, 4GB DDR2 800 ram, Sapphire 4670 512MB, 600W Ultra X pro, Xigmatek HDT-S1283 The brain is a wonderful organ. It starts working the moment you get up in the morning and does not stop until you get into the office

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Dec 22, 2008, 11:29 AM	#15
Assimilator1 Join Date: Dec 2005 Location: UK,Surrey,Guildford Posts: 31 (0.01/day) Thanks: 1 Thanked 0 Times in 0 Posts System Specs	Well here in the UK anyway HD 4830s are down to £90-£95 (my Power Colour HD4830 was £90) & the HD 4850s are upto about £120-£130! . I don't know what the reviewer is on about when he says this card is noisey , mine isn't anyway, I can just hear it over my quiet 120mm case fans so it's quite reasonable, and that's under load running F@H. THGs review of it also thought it was reasonabley quiet, maybe Power Color updated the bios & altered the fan speeds?? Re F@H chart, what's the point of entering the dual GPU cards when you're not using the 2nd GPU? Gives a false negative impression if people haven't read the text properly, better off leaving them out or better still running 2 GPU clients . Interesting review anyway & nice to see F@H in too . __________________ Team Anandtech - S@H2,DPAD,Dimes & F@H

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Jan 10, 2009, 11:49 PM	#16
EviLZeD Join Date: Sep 2006 Posts: 649 (0.31/day) Thanks: 30 Thanked 48 Times in 44 Posts System Specs	Ebuyer was selling the 1GB ddr3 version for only £105 i couldnt resist hopefully it'll oc as high

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Jan 11, 2009, 09:17 PM	#17
Assimilator1 Join Date: Dec 2005 Location: UK,Surrey,Guildford Posts: 31 (0.01/day) Thanks: 1 Thanked 0 Times in 0 Posts System Specs	1GB can't be used fully on a card of this spec, unless you can o/c the GPU lots. __________________ Team Anandtech - S@H2,DPAD,Dimes & F@H

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