The following are pictures and specs of some of the cards that I use or have used. 
Be sure to check out the articles linked at the bottom of the page.



ATI Radeon Graphics Cards



ATI FireGL X800 XT
AGP:  4x, 8x
GPU (R420) Clock: 500 MHz
Memory Clock: 500 MHz (1000 MHz)DDR3
Bandwidth: 32 GB/s
Pixel Pipelines: 16
Bus: 256 bit
ROM: v109 Dual DVI output
VRAM: 256 MB
OpenGL: v 2.1 and lower
Cooling: ATI OEM fan
Minimum OS: OS X 10.3.6

ATI Radeon 9800 XT
AGP:  4x, 8x
GPU (R360) Clock: 412 MHz
Memory Clock: 365 MHz (730 MHz)DDR2
Bandwidth: 23.4 GB/s
Pixel Pipelines: 8
Bus: 256 bit
ROM: v130 (v118 Analog only)
VRAM: 256 MB
OpenGL: v 2.1 and lower
Cooling: ATI OEM fan
Minimum OS: OS X 10.2


Asus Radeon 9800 XT
AGP:  4x, 8x
GPU (R360) Clock: 412 MHz
Memory Clock: 365 MHz (730 MHz)DDR2
Bandwidth: 23.4 GB/s
Pixel Pipelines: 8
Bus: 256 bit
ROM: 128K v130 (v118 Analog only)
VRAM: 256 MB
OpenGL: v 2.1 and lower
Cooling: Asus (Copper Heat Pipe)
Minimum OS: OS X 10.2


ATI Radeon 9800 Pro Mac Edition
AGP: 2x, 4x, 
GPU (R350) Clock: 378 MHz
Memory Clock: 337.5 MHz (675 MHz)DDR2
Bandwidth: 22.4 GB/s
Pixel Pipelines: 8
Bus: 256 bit
ROM: v134
VRAM: 256 MB
OpenGL: v 2.1 and lower
Cooling: ATI Silencer 1 rev. 2
Minimum OS: OS X 10.2


ATI Radeon 9800 Pro (Flashed PC edition)
AGP: 2x, 4x, 8x
GPU (R350) Clock: 378 MHz
Memory Clock: 337.5 MHz (675 MHz)DDR2
Bandwidth: 21.7 GB/s
Pixel Pipelines: 8
Bus: 256 bit
ROM: 128K v130
VRAM: 128 MB
OpenGL: v 2.1 and lower
Cooling: Zalman VF900-Cu Heatpipe 
Minimum OS: OS X 10.2


ATI Radeon 9700 Pro (Flashed PC edition)
AGP: 2x, 4x, 8x
GPU (R300) Clock: 325 MHz
Memory Clock: 310 MHz (620 MHz)DDR2
Bandwidth: 19.8 GB/s
Pixel Pipelines: 8
Bus: 256 bit
ROM: 128K v130
VRAM: 128 MB
OpenGL: v 2.1 and lower
Cooling: OEM Fan


ATI Radeon 9000 Pro Mac Edition (Retail)
AGP: 2x, 4x
GPU R200 (RV250) Clock:  274.5 MHz
Memory Clock:  249.45 MHz DDR
Bandwidth:  8.8 GB/s
Pixel Pipelines: 4
Bus:  128 bit
ROM: v142
VRAM: 64 MB
OpenGL: v1.3 and lower
Cooling: Passive


Apple Radeon 7500
AGP: 2x, 4x
GPU R100 (RV200) Clock:  290 MHz
Memory Clock:  230 MHz DDR 
Bandwidth: 7.4 GB/s
Pixel Pipelines: 2
Bus: 128 bit
ROM: v1.3 and lower
VRAM: 32 MB
OpenGL: v and lower
Cooling: Passive










Nvidia Geforce Graphics Cards

Gainward Bliss 7800GS (Flashed PC edition)
AGP: 4x, 8x
GPU (N70) Clock: 425 MHz
Memory Clock: 600 MHz (1200 MHz)GDDR3
Bandwidth: 38.4 GB/s
Pixel Pipelines: 20
Bus: 256 bit
ROM: 128K v2150.2
VRAM: 512 MB
OpenGL: v 2.1 and lower
Cooling: Arctic Cooling
Minimum OS: OS X 10.4.6

BFG 7800GS OC (Flashed PC edition)
AGP: 4x, 8x
GPU (N70) Clock: 400 MHz
Memory Clock: 625 MHz (1250 MHz)GDDR3
Bandwidth: 40 GB/s
Pixel Pipelines: 16
Bus: 256 bit
ROM: v2150
VRAM: 256 MB
OpenGL: v 2.1 and lower
Cooling: BFG
Minimum OS: OS X 10.4.6


Gainward Geforce 6800 Ultra (Flashed PC edition)
AGP: 4x, 8x
GPU (N40) Clock: 400 MHz
Memory Clock: 550 MHz (1100 MHz)GDDR3
Bandwidth: 35.2 GB/s
Pixel Pipelines: 16
Bus: 256 bit
ROM: v2130
VRAM: 256 MB
OpenGL: v 2.1 and lower
Cooling: Cooler Master
Minimum OS: OS X 10.3.5


Inno3D Geforce 6800 GT (Flashed PC edition)
AGP: 4x, 8x
GPU (N40) Clock: 350 MHz
Memory Clock: 500 MHz (1000 MHz)GDDR3
Bandwidth: 32 GB/s
Pixel Pipelines: 16
Bus: 256 bit
ROM: v2121m
VRAM: 256 MB
OpenGL: v 2.1 and lower
Cooling: Cooler Master
Minimum OS: OS X 10.3.5


POV Geforce 6800 GT (Flashed PC edition)
AGP: 4x, 8x
GPU (N40) Clock: 350 MHz
Memory Clock: 500 MHz (1000 MHz)GDDR3
Bandwidth: 32 GB/s
Pixel Pipelines: 16
Bus: 256 bit
ROM: v2121m
VRAM: 256 MB
OpenGL: v 2.1 and lower
Cooling: Cooler Master
Minimum OS: OS X 10.3.5


Apple Geforce4 MX 
AGP: 2x, 4x
GPU (NV17) Clock: 270MHz
Memory Clock: 400 MHz DDR
Bandwidth: 6.4GB/s
Pixel Pipelines: 2
Bus: 128 bit
ROM: v1091
VRAM: 64 MB
OpenGL: v1.1 and lower
Cooling: Passive



All of the listed graphics cards (except as noted) are successfully used with OS 9.2.2, OS X 10.3.9, 10.4x, and 10.5x.
OpenGL version support listed is as reported by OpenGL Viewer in OS X 10.5x.





Information and articles on  converting PC cards to Mac:


            


Information and articles on  Graphics performance, upgrades and maintenance:

Graphics Card Benchmarks

G4 AGP Graphics Card Upgrades: Part 1- OS 9

G4 (and G5) AGP Graphics Card Upgrades: Part 2- OS X

PCIe Graphics Upgrades for the Dual Core G5

Graphics Card Cleaning and Thermal Compound Replacement 

Radeon 9800 Pro Heat sink Disassembly

Radeon 9800 XT Disassembly


Blog/D48C95C0-D247-4F42-AFBD-FC43304857F3.htmlFlashing.htmlPage%201%3A%20OpenGL%20.htmlBlog/8923D90A-7AD8-41F1-BD1A-FEA5E1780B95.htmlBlog/4B4B7BA2-7ABB-47F1-87AC-B03D37942BEE.htmlBlog/71BBF3EF-9713-4C53-8B80-26771F8A4087.htmlBlog/16196A0F-952B-47ED-A9F9-91F7B0ECA431.htmlBlog/C874D84E-96DD-4DFF-9566-7C66BE065BB5.htmlBlog/AF6A8D44-7864-4F5A-A45A-DB56A8663B45.htmlshapeimage_1_link_0shapeimage_1_link_2shapeimage_1_link_3shapeimage_1_link_4shapeimage_1_link_5shapeimage_1_link_6shapeimage_1_link_7shapeimage_1_link_8
Graphics Cards