HIS Radeon HD 3850 IceQ 3 TurboX review

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Page 3 - Specs Continued & ICEQ3 TurboX

The HIS Radeon HD 3850 ICEQ3 TurboX

Goodness .. that's a long name isn't it? Alright, let's compare the basic reference card against this HIS model.

Reference card - the lower-end yet mid-range Radeon HD 3850 reference model cards will feature a silent single-slot cooler. The cards have an optional 256MB or 512MB onboard GDDR3 memory configuration. The 3850 will be running at a 825 MHz memory frequency (1650 MHZ effective), and will have a core frequency of at least 660 MHz. I say at least as some board-partners will very likely release pre-overclocked models of these cards.

And then there's the HIS Radeon HD 3850 ICEQ3 TurboX. Quite a different product. The PCB differs and the color is now blue. On top of the card we see a huge dual-slot cooling unit. But even so important, we notice that the core and memory clocks run higher than reference. We see a core frequency of 735 MHz and the memory clocked at 1.96 GHz. That's actually slightly slower than a Radeon HD 3870. To cut costs the card is back to GDDR3 memory at a 256-bit memory bus. Expect the 256MB version to sell for roughly 150 USD and the 512 MB version from 199 USD which is amazing value for the money considering you have a fully working RV670 GPU on that card. Have a peek at the following.

$ffffffffff ATI specific display adapter information
$ffffffffff ----------------------------------------------------------------
$0900000000 Graphics core : RV670 (320sp)
$0900000002 Memory bus : 256-bit
$0900000001 Memory type : DDR3 SGRAM
$0900000003 Memory amount : 512MB
$0900000004 Core clock : 297.000MHz
$0900000005 Memory clock : 828.000MHz (1656.000MHz effective)
$0900000006 Reference clock : 27.000MHz
$ffffffffff ----------------------------------------------------------------
$ffffffffff ATI VGA BIOS information
$ffffffffff ----------------------------------------------------------------
$0a00000000 Title : 113-00SH1G05-00R-GN RV670PRO PCIE 512M DDR3 DVI-I\VO\DVI-I 980M/735E
$0a00000001 Date/time : 11/28/07 20:39
$0a00000002 Core clock : 736.000MHz
$0a00000003 Memory clock : 982.000MHz
$0a00000004 Reference clock : 27.000MHz
$0a00030000 PowerPlay state 0 : 669MHz/829MHz/1.21V/boot
$0a00030100 Performance level 1 : 669MHz/829MHz/1.21V
$0a00030200 Performance level 2 : 669MHz/829MHz/1.21V
$0a00030001 PowerPlay state 1 : 300MHz/829MHz/1.01V/Overdrive
$0a00030101 Performance level 1 : 300MHz/890MHz/1.01V
$0a00030201 Performance level 2 : 736MHz/982MHz/1.21V
$0a00030002 PowerPlay state 2 : 300MHz/829MHz/1.01V
$0a00030102 Performance level 1 : 300MHz/890MHz/1.01V
$0a00030202 Performance level 2 : 736MHz/982MHz/1.21V
$0a00030003 PowerPlay state 3 : 736MHz/982MHz/1.21V/UVD
$0a00030103 Performance level 1 : 736MHz/982MHz/1.21V
$0a00030203 Performance level 2 : 736MHz/982MHz/1.21V
$0a00000008 Memory type : DDR3

Above the BIOS dump, in which we beautifully can see the several power stages (PowerPlay) for power consumption. Once we open up the box we spot that the graphics card is bundled with the HIS regulars. Everything you need to get connected is basically in there. We can see that the full RV670 core is being utlized, all 320 Shader Processors are active. Not a bad deal in this price-range, no Sir.

Bundled with this card thou shall find:

  • DVI to VGA Dongle x 1
  • DVI to HDMI Dongle x 1
  • S-Video to Composite adapter
  • Crossfire bridge x 1
  • Manual
  • Driver CD
  • Half-life 2 discount coupon
  • Handy multi-purpose magnetic screwdriver has several different tips under its cap, a built in level and LED light. It sounds pretty simple, but really .. that's a cool gadget.

HIS Radeon HD 3850 ICEQ3 XTurbo edition

Pretty dandy stuff, and again the new included screwdriver is funny and handy. But let's dive into the product technology again. Next to shrinking that die-size ATI did make another clever move; the move back to the 256-bit memory bus (still using the 512-bit ring-bus). It's much cheaper to work with memory and less expensive to integrate. So combining these factors can make the overall products less expensive. RV670 also makes the move towards PCI-Express 2.0 compatibility which doubles the bus (PCIe) data rate towards 16GB/s. Not that we need it at this time though ... although with CrossfireX it might make a difference.

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ATI Radeon
HD 2900

ATI Radeon
HD 3850
HIS 3850 TurboX ATI Radeon
HD 3870
# of transitors

700 million

666 million 666 million 666 million

Stream Processing Units

320

320 320 320

Clock speed

742 MHz

670 MHz 735 MHz 775 MHz

Memory Clock

1.6 GHz (effective)

1.66 GHz (effective) 1.96 GHz (effective) 2.25 GHz (effective)

Texture Units

16

16 16 16

Render back-ends

16

16 16 16

Memory

512MB GDDR3

512MB GDDR3 512MB GDDR3 512MB GDDR3/4

Memory interface

512-bit

256-bit 256-bit 256-bit

Fabrication process

80nm

55nm 55nm 55nm

Power Consumption (peak)

~215W

~90W ~90W ~105W
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