There are as many graphics cards makers from which to choose as there are model versions within a class of a graphics card. Some are feature rich or have faster memory, while others have inexpensive components and a price tag to match. To serve as a reference point, we used a $350 NVIDIA 7800 GT and the $550 NVIDIA 7800 GTX 512 to help make sense of where these cards fall into the grand scheme. The results are encouraging and even surprising. Included below is a chart of various GPU and memory configurations. This is by no means an exhaustive listing but it will give you an idea of the diversity of cards that exist in the marketplace.
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NVIDIA Cards
Row 0 - Cell 0
Chip
Memory
DX Generation
Chipclock
Memoryclock
Memory Buswidth
Pixel Pipelines
GeForce 7800 GTX 512
G70
512 MB
DX 9.0c
550
1700
256 bit
24
GeForce 7800 GTX
G70
256 MB
DX 9.0c
430
1200
256 bit
24
GeForce 7800 GT
G70
256 MB
DX 9.0c
425
1000
256 bit
20
GeForce 6800 Ultra
NV45
256 MB
DX 9.0c
400
1100
256 bit
16
GeForce 6800 Ultra
NV45
256 MB
DX 9.0c
350
1000
256 bit
16
GeForce 6800
NV45
256 MB
DX 9.0c
325
600
256 bit
12
GeForce 6800 GS
NV45
256 MB
DX 9.0c
425
1000
256 bit
12
GeForce 6800 GT
NV45
256 MB
DX 9.0c
350
1000
256 bit
16
GeForce 6800 XT
NV45
256 MB
DX 9.0c
350
600
256 bit
8
GeForce 6600 LE
NV43
256 MB
DX 9.0c
300
500
128 bit
4
GeForce 6600 GT
NV43
128 MB
DX 9.0c
500
1000
128 bit
8
GeForce 6600 DDR2
NV43
256 MB
DX 9.0c
500
800
128 bit
8
GeForce 6600
NV43
128 MB
DX 9.0c
300
550
128 bit
8
GeForce 6200
NV43
128 MB
DX 9.0c
300
550
128 bit
4
GeForce 6200 TurboCache 64
NV44
64 MB+
DX 9.0c
350
550
64 bit
4
GeForce 6200 TurboCache 32
NV44
32 MB+
DX 9.0c
350
700
64 bit
4
GeForce 6200 TurboCache 16
NV44
16 MB+
DX 9.0c
350
700
32 bit
4
GeForce 5900
NV35
128 MB
DX 9
375
700
256 bit
8
GeForce 5750
NV36
128 MB
DX 9
425
550
128 bit
4
ATI Cards
Row 21 - Cell 0
Chip
Memory
DX Generation
Chipclock
Memoryclock
Memory Buswidth
Pixel Pipelines
Radeon X1800 XT
R520
512 MB
DX 9.0c
625
1500
256 bit
16
Radeon X1800 XL
R520
256 MB
DX 9.0c
500
1000
256 bit
16
Radeon X1600 XT
R530
256 MB
DX 9.0c
590
1380
128 bit
12
Radeon X1600
R530
256 MB
DX 9.0c
500
780
128 bit
12
Radeon X1300 Pro
R515
256 MB
DX 9.0c
600
800
128 bit
4
Radeon X1300
R515
256 MB
DX 9.0c
450
500
128 bit
4
Radeon X1300 HyperMemory
R515
32 MB+
DX 9.0c
500
780
128 bit
4
Radeon X850 XT PE
R480
256 MB
DX 9.0b
540
1180
256 bit
16
Radeon X850 XT
R480
256 MB
DX 9.0b
520
1080
256 bit
16
Radeon X850 Pro
R480
256 MB
DX 9.0b
507
1040
256 bit
12
Radeon X800 XT PE
R423
256 MB
DX 9.0b
520
1120
256 bit
16
Radeon X800 XT
R423
256 MB
DX 9.0b
500
1000
256 bit
16
Radeon X800 Pro
R423
256 MB
DX 9.0b
475
900
256 bit
12
Radeon X800 XL
R430
512 MB
DX 9.0b
400
1000
256 bit
16
Radeon X800 XL
R430
256 MB
DX 9.0b
400
1000
256 bit
16
Radeon X800 GT
R480
256 MB
DX 9.0b
475
980
256 bit
8
Radeon X800 GTO
R430
256 MB
DX 9.0b
400
980
256 bit
16
Radeon X800 GTO
R423
256 MB
DX 9.0b
400
980
256 bit
12
Radeon X800 GT
R480
256 MB
DX 9.0b
475
980
256 bit
12
Radeon X800
R430
256 MB
DX 9.0b
390
700
256 bit
12
Radeon X700 Pro
RV410
256 MB
DX 9.0b
425
860
128 bit
8
Radeon X700 Pro
RV410
128 MB
DX 9.0b
425
860
128 bit
8
Radeon X700
RV410
128 MB
DX 9.0b
400
700
128 bit
8
Radeon X600 XT
RV380
128 MB
DX 9.0b
500
740
128 bit
4
Radeon X600 Pro 256
RV380
256 MB
DX 9.0b
400
600
128 bit
4
Radeon X600 Pro 128
RV380
128 MB
DX 9.0b
400
600
128 bit
4
Radeon X300
RV370
128 MB
DX 9.0b
325
400
128 bit
4
Radeon X300 SE
RV370
128 MB
DX 9.0b
325
400
64 bit
4
Radeon X300 HyperMemory
RV370
32 MB+
DX 9.0b
325
600
64 bit
4
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