iXBT Labs - Computer Hardware in Detail






October 2002 3Digest -
Matrox Parhelia-512, 128MB DDR, 220/550 MHz(Retail)

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This chip is presented by Matrox Parhelia 128MB DDR, 220/550 MHz (Retail), AGP card.


  • Matrox Parhelia-512 chip, 220 MHz clock rate, 512-bit bus;
  • 128MB DDR SDRAM in 8 Infineon 3.3ns chips, 275 (550) MHz clock rate;
  • Peak fill rate in the multitexturing mode is 880 megapixels/sec and 3520 megatexels/sec.
  • Vertex Shader 2.0.

Overclocking is currently impossible.

While there were rumours about future R300 and RV250, not mentioning NV30, Canadian Matrox released its long-awaited powerful accelerator with very high-performance 2D graphics (triple monitor support) and a modern 3D engine. Pity, but the 0.15-micron process technology hasn't enabled the developers to raise GPU clock rate to the level of current accelerators (275-300 MHz), that negatively affected card's performance. (See the review of this card). Nevertheless, it's a revolution comparing to the previous Matrox products. However, a very expensive one...

The company releases 128MB boards according to this roadmap:

  • Parhelia 128MB (Retail) - 220 MHz core, 128MB of 275(550) MHz 256-bit DDR memory.
  • Parhelia 128MB (OEM) - 200 MHz core, 128MB 250(500) MHz 256-bit DDR memory.

So, we divided the Parhelia section in two parts: Retail and OEM. Here we review the Retail version with higher clock rates.

Back to Parhelia-512. Comparing to the current latest products from ATI (RADEON 9700) and NVIDIA (GeForce4 Ti) Parhelia 512 looks rather humble. Of course, 16 texture modules seem to push the card to the next level, but according to our examination, on this stage 4 pipelines X 4 texture modules formula is useless, as very few applications support this multitexturing mode. This configuration gives a chance for fast bilinear and anisotropic filtering, but a theoretical one. Look: each texture module can select 4 samples for bilinear filtering. It's the standard. 4 texture modules - 16, 4 pipelines - 64. This is the point of Matrox marketing, claiming 64 textures per clock. Yes, at that we get either 4 bilinear, or 2 trilinear or anisotropic (8-level), or 1 anisotropic (16-level) filtered textures per clock. Seems that in case of older (99.9%) "dual-texture" applications, anisotropic filtering must not cause performance losses. However, further you will see it's not as it seems.

Actualy, now Parhelia has only one DirectX 9.0 feature - Displacement Mapping, enabling the considerably higher bump realism and detail. Unlike usual bumps, textured to triangles at rendering, that do not affect dot visibility (a bump map simulates only dot lighting, not it's actual position), Displacement Mapping enables to create geometrically correct bumps, which intersection will not be an ideal right line.

Antialiasing is one of the most important 3D features.

I recommend you to read our Matrox Parhelia analysis again about the new Matrox AA technique. It's actualy up to 16 counts/dot supersampling. But it's performed ONLY (!) for polygon BORDER=1 dots (3-5% of a typical scene).

GeForce4 Ti Parhelia
AA 4x FAA 16x

Note there are no differences between FAA 16X and AA4x. As this mode is very interesting due to relatively slight performance losses, we can only compliment Matrox developers for it.

On the 10th of October 2002 the latest drivers version from Matrox is

Windows XP

As you can see, there's almost no difference. Perhaps, the card is already completely squeezed out.

As to the quality, you can compare screenshots below with reference ones (NVIDIA GeForce3). Pity, there are problems with some games, for example, Red Faction reboots PC at once. version has some bugfixes, making Venom playable.
Pity, but the card works incorrectly in alpha DOOM 3, perhaps due to the buggy game itself.

Games / Cards 1 2 3 4 5 6 7 8 9 10 11 12
Matrox Parhelia



Games / Cards 13 14 15 16 17 18 19 20 21 22 23 24
Matrox Parhelia


Games / Cards 25 26 27 28 29 30
Matrox Parhelia


Game list:

  • 1. Return to Castle Wolfenstein
  • 2. Unreal2 (alpha version)
  • 3. Comanche4
  • 4. Jedi Knight II Outcast
  • 5. Morrowind
  • 6. Colin McRAE Rally2
  • 7. Red Faction
  • 8. Rally Trophy
  • 9. Sacrifice
  • 10. Venom
  • 11. Unreal Tournament 2003 DEMO
  • 12. DOOM 3 v0.02
  • 13. Blade of Darkness
  • 14. Neverwinter Nights
  • 15. 3DMark2001: Game1
  • 16. 3DMark2001: Game2
  • 17. 3DMark2001: Game3
  • 18. 3DMark2001: Game4
  • 19. 3DMark2001: Dot3
  • 20. 3DMark2001: EMBM
  • 21. 3DMark2001: Vertex Shaders
  • 22. 3DMark2001: Pixel Shaders
  • 23. Warcraft III
  • 24. Soldier of Fortune II
  • 25. Command and Conquer: Renegade
  • 26. Max Payne
  • 27. AquaNox
  • 28. Serious Sam: The Second Encounter
  • 29. IL2: Shturmovik
  • 30. MoHAA

Andrey Vorobiev (Anvakams@ixbt.com)
Alexander Kondakov (kondalex@ixbt.com)

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