Antialiasing & Anisotropic Filtering Quality

For a look at how the Radeon 9x00 and the GeForce FX compare in terms of AA & Aniso image quality, refer back to our GeForce FX Review.

AA+AF Performance - UT2003

To test these cards the way they were meant to be used we used the settings we discovered would be the best for each solution. For the GeForce FX we ran with the following settings enabled:

  • 8X Performance - Balanced Anisotropic Filtering
  • 4X Anti-Aliasing

The Radeon 9800/9700 Pro were run with the following enabled:

  • 8X Performance Anisotropic Filtering
  • 4X Anti-Aliasing

For comparison purposes we also threw in a Radeon 9x00 Pro with 8X Quality Anisotropic Filtering enabled for image quality purists, but we think that the performance setting is the best option for Radeon 9x00 Pro owners and prefer its tremendous performance advantage over the slight reduction in image quality. The comparison you'll want to make is between the GeForce FX 5800 Ultra (4X AA/8X Bal Aniso) and the Radeon 9x00 Pro (4X AA/8X Perf Aniso).

As usual, we'll start with performance under Unreal Tournament 2003:

Unreal Tournament 2003 AA/Ansio Performance
1024x768x32
Radeon 9800 Pro (4X AA/8X Perf Aniso)

Radeon 9800 Pro (4X AA/8X Qual Aniso)

Radeon 9700 Pro (4X AA/8X Perf Aniso)

GeForce FX 5800 Ultra (4X AA/8X Bal Aniso)

Radeon 9700 Pro (4X AA/8X Qual Aniso)

160.3

132.8

130.3

108.6

90.4

|
0
|
32
|
64
|
96
|
128
|
160
|
19

The Radeon 9700 Pro originally did very well in this test, but the Radeon 9800 Pro puts it to shame. With 4X AA and Performance Aniso enabled, the Radeon 9800 Pro is 22% faster than the Radeon 9700 Pro; enabling Quality anisotropic filtering gives the Radeon 9800 Pro an amazing 47% lead.

Unreal Tournament 2003 AA/Ansio Performance
1280x960x32
Radeon 9800 Pro (4X AA/8X Perf Aniso)

Radeon 9800 Pro (4X AA/8X Qual Aniso)

Radeon 9700 Pro (4X AA/8X Perf Aniso)

GeForce FX 5800 Ultra (4X AA/8X Bal Aniso)

Radeon 9700 Pro (4X AA/8X Qual Aniso)

110.8

93.3

89.9

74

63.3

|
0
|
22
|
44
|
66
|
89
|
111
|
133

The performance standings do not change as we increase the resolution; the improvements remain at around 23% and 47% for the performance and quality settings respectively.

Unreal Tournament 2003 AA/Ansio Performance
1600x1200x32
Radeon 9800 Pro (4X AA/8X Perf Aniso)

Radeon 9800 Pro (4X AA/8X Qual Aniso)

Radeon 9700 Pro (4X AA/8X Perf Aniso)

GeForce FX 5800 Ultra (4X AA/8X Bal Aniso)

Radeon 9700 Pro (4X AA/8X Qual Aniso)

69.8

58

57

41.7

40.1

|
0
|
14
|
28
|
42
|
56
|
70
|
84

What's interesting to note here is that the Radeon 9800 with 4X AA/8X Quality Anisotropic filtering is faster than the Radeon 9700 Pro with 4X AA/8X Performance Anisotropic filtering, a testament to the improvements ATI made to the R350 core.

Quick Performance Intro (AA/AF Disabled) AA+AF Performance - Serious Sam 2
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