Vision Tek 4850 review

**perkam** · 06-14-2008, 05:54 AM

Originally Posted by Beefy22

If that get's you excited,

Attachment 80378

I'm scared to find out what kind of reaction that'll get...

!!!!

Plus, there are confirmations around the net that this card might end up $199.99 to compensate for the GTX 260 price drop

Perkam

**jimmyz** · 06-14-2008, 06:13 AM

Kai, what cpu speed just to make it even?

Thanks to all for the great responses. The vista crysis fail may be fixed, a reader at TPU has a work around, I will try it tonight. I am also desperatly in need of some tool which can oc this beast beyond CCC limits. if any coders out there can get one working I would appreciate it, just PM me so I see it quick. I can provide bios dumps etc.

**mascaras** · 06-14-2008, 06:17 AM

Your Crysis result @ 1680x1050 @ High settings @ DX9 >> pretty much same as 9800GTX

HD4850 + Quad-Core @ 4Ghz = 35 FPS

9800GTX + E8400 @ 4Ghz = 37 FPS

**Kai Robinson** · 06-14-2008, 06:21 AM

i run my E4300@ 3240Mhz (360x9)

**msgclb** · 06-14-2008, 06:21 AM

Originally Posted by perkam

!!!!

Plus, there are confirmations around the net that this card might end up $199.99 to compensate for the GTX 260 price drop

Perkam

What GTX 260 price drop? I hope they continue to try to undercut each other! What did you do to that cat?

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**WrigleyVillain** · 06-14-2008, 06:40 AM

So far so excellent jimmy!

**Hyperhorn** · 06-14-2008, 06:41 AM

To be honest, performance is a little bit disappointing, my OC'ed 8800GS can do almost the same.

Okay, maybe OC-potencial is great, drivers will be improved and so on, but that's definetively no real big-time.

(Doesn't mean I don't want to play with them

)

**jimmyz** · 06-14-2008, 06:42 AM

Originally Posted by mascaras

Your Crysis result @ 1680x1050 @ High settings @ DX9 >> pretty much same as 9800GTX

HD4850 + Quad-Core @ 4Ghz = 35 FPS

9800GTX + E8400 @ 4Ghz = 37 FPS

I was just looking and my 3850 single card best run was 14458 in 06 with the cpu @ 4.9ghz and ram tweaked, on a stripped install of xp.
This card at stock with no tweaks and cpu at 4ghz and ram loose is only 50 points behind....

**perkam** · 06-14-2008, 07:04 AM

Originally Posted by msgclb

What GTX 260 price drop? I hope they continue to try to undercut each other! What did you do to that cat?

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What I did to the cat is under NDA, sorry

The GTX 260 was originally priced at $449, as can been seen in Nvidia's own slides. It is now $399

Perkam

**Sleepyzone** · 06-14-2008, 07:17 AM

[QUOTE=GoldenTiger;3060286]I'm hearing $299 for the 512 and $329-349 for the 1GB around the various forums... sounds reasonable to me. The memory's expensive but not so expensive it will boost the price obscenely.

Think ill just hang in there and wait tell they go down to 150$ in six months.

Heck maybe even three the way things are.

**doomwill** · 06-14-2008, 07:17 AM

Originally Posted by Kai Robinson

As you're doing crysis runthroughs, could you run it at 1440x900 at High with no and 4x AA, and again with no and 4x AA with this custom config, using the benchmark tool (rather than the batch file) in DX9 mode?

The reason i ask is cause my 8800GT returns these results, and i want to see how the 4850 does in comparison:

High
===

0xAA = 42.145fps
4xAA = 32.93fps

Custom
=====

0xAA = 29.515fps
4xAA = 22.38fps

32/64-bit both score the same on my setup

Cheers, and TIA

The reason , I ask is cause my 8800GTS returns these results, and i want to see how the 4850 does in comparison:

1600x1200 high no AA vga stock:

1600x1200 high AAx4 af x16 vga stock:

1600x1200 high AAX4 AFx16 vga oc diários

Coming soon 4870 40 TMUS?!!!!!!!!

**BRiT** · 06-14-2008, 07:19 AM

Originally Posted by doomwill

Coming soon 4870 40 TMUS?!!!!!!!!

The 4870 is only a faster clocked 4850. They have the same number of TMUs, which is believed to be 32.

**mascaras** · 06-14-2008, 07:22 AM

Originally Posted by doomwill

The reason , I ask is cause my 8800GTS returns these results, and i want to see how the 4850 does in comparison:

1600x1200 high AAX4 AFx16

model of the monitor used??

Originally Posted by BRiT

The 4870 is only a faster clocked 4850. They have the same number of TMUs, which is believed to be 32.

yep , difference is only clocks and GDDR3 (2Ghz) Vs GDDR5 (3.6Ghz)

regards

**GoldenTiger** · 06-14-2008, 07:41 AM

Originally Posted by mascaras

yep , difference is only clocks and GDDR3 (2Ghz) Vs GDDR5 (3.6Ghz)

regards

Nice, I think the GDDR5 would help a lot but I'm going for 2x 4850s myself.

Current setup does this, compare to 24FPS average for ONE 4850, while this is 8800GT 512 SLI:

4850 = nice! So, will we be able to use atitool/rivatuner/etc. to overclock crossfire 4850s, or gonna have to wait for BIOS flashes for CCC again?

**LaMpiR** · 06-14-2008, 07:48 AM

So, basically, 4850 has better score in 1680x1050 on crysis high than 8800GT SLI?

**doomwill** · 06-14-2008, 07:49 AM

Originally Posted by mascaras

model of the monitor used??

yep , difference is only clocks and GDDR3 (2Ghz) Vs GDDR5 (3.6Ghz)

regards

model of the monitor used?? AOC 416-VA Monitor LCD 24" Widescreen max resolution 1920 x 1200 @ 60 Hz .

http://www.aoc.com.br/2007/php/index...=211&ctg_id=57

**Genius_pt** · 06-14-2008, 07:53 AM

Originally Posted by LaMpiR

So, basically, 4850 has better score in 1680x1050 on crysis high than 8800GT SLI?

We are talking about two different cpus, different frequences, etc. Although we can expect to see something that close.

**GoldenTiger** · 06-14-2008, 07:55 AM

Originally Posted by LaMpiR

So, basically, 4850 has better score in 1680x1050 on crysis high than 8800GT SLI?

It's slightly lower... 24FPS (4850 stock) vs. 28FPS (GT overclocked SLI). I'm impressed

.

**LaMpiR** · 06-14-2008, 08:00 AM

This is awasome

I am looking forward to 4870 review

**jimmyz** · 06-14-2008, 08:03 AM

Originally Posted by GoldenTiger

It's slightly lower... 24FPS (4850 stock) vs. 28FPS (GT overclocked SLI). I'm impressed

.

Wait till I clock it up some

**Kai Robinson** · 06-14-2008, 08:05 AM

I'm wondering if my 8800GT will be pwned by the 4850....it probably will, but by how much will determine if i get one

**ORBR** · 06-14-2008, 08:09 AM

Originally Posted by GoldenTiger

It's slightly lower... 24FPS (4850 stock) vs. 28FPS (GT overclocked SLI). I'm impressed

.

1680 x 1050 no aa high settings
35 FPS

1680 x 1050 4x aa high settings
24 FPS

1900 x 1200 no aa high settings
30 FPS

1900 x 1200 4 x aa high settings
20 FPS

NOT bad

http://img256.imageshack.us/img256/4...thighseke3.jpg
http://img256.imageshack.us/img256/4...gsdx916dz1.jpg
http://img256.imageshack.us/img256/8...aastocknk7.jpg
http://img256.imageshack.us/img256/8...012004xac7.jpg

**XSAlliN** · 06-14-2008, 09:07 AM

3870 has only 64 SP which are capable of 5 operations per cycle = 320. Does 4870 have 160 SP ? Oh yeah, and 3870 has only 16 TF/TMU, same as X1900 or X2900 - what about this one?

**ORBR** · 06-14-2008, 09:12 AM

Originally Posted by XSAlliN

Oh yeah, and 3870 has only 16 TF/TMU, same as X1900 or X2900 - what about this one?

seems 32-40 TMU

**zerazax** · 06-14-2008, 09:30 AM

fillrate - single texturing:
HD4850: ~ 7300
HD3870: ~ 6500
RV670X2: ~ 11400
GTX 280: ~ 14300

fillrate - multi texturing:
HD4850: ~ 19800
HD3870: ~ 12300
RV670X2: ~ 25300
GTX 280: ~ 40177

pixel shader:
HD4850: ~ 680
HD3870: ~ 360
RV670X2: ~ 710
GTX 280: ~ 845

vertex shader - simple:
HD4850: ~ 292
HD3870: ~ 315
RV670X2: ~ ?
GTX 280: ~ 246

vertex shader - complex:
HD4850: ~ 160
HD3870: ~ 180
RV670X2: ~ 370
GTX 280: ~ 119

shader particles:
HD4850: ~ 160
HD3870: ~ 90
RV670X2: ~ 170
GTX 280: 177

perlin noise:
HD4850: ~ 335
HD3870: ~ 175
RV670X2: ~ 355
GTX 280: ~ 300

Posted by no-x and spadjr at B3d

Going by those numbers and clocks, its 32TMU's for the 4850

Thread: Vision Tek 4850 review

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