NVIDIA GeForce 8800 GTS 640 vs ATI Radeon X1900 G5 Mac Edition

Comparative analysis of NVIDIA GeForce 8800 GTS 640 and ATI Radeon X1900 G5 Mac Edition videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

NVIDIA GeForce 8800 GTS 640

ATI Radeon X1900 G5 Mac Edition

Differences

Reasons to consider the NVIDIA GeForce 8800 GTS 640

Around 78% higher texture fill rate: 12.31 GTexel / s vs 6.9 GTexel / s
2.5x more maximum memory size: 640 MB vs 256 MB
Around 32% higher memory clock speed: 1584 MHz vs 1200 MHz

Texture fill rate	12.31 GTexel / s vs 6.9 GTexel / s
Maximum memory size	640 MB vs 256 MB
Memory clock speed	1584 MHz vs 1200 MHz

Reasons to consider the ATI Radeon X1900 G5 Mac Edition

Around 12% higher core clock speed: 575 MHz vs 513 MHz
Around 91% lower typical power consumption: 75 Watt vs 143 Watt

Core clock speed	575 MHz vs 513 MHz
Thermal Design Power (TDP)	75 Watt vs 143 Watt

Compare specifications (specs)

	NVIDIA GeForce 8800 GTS 640	ATI Radeon X1900 G5 Mac Edition
Essentials
Architecture	Tesla	R500
Code name	G80	R580
Launch date	8 November 2006	6 November 2006
Launch price (MSRP)	$449	$349
Place in performance rating	not rated	not rated
Type	Desktop	Desktop
Technical info
Core clock speed	513 MHz	575 MHz
Floating-point performance	228.1 gflops
Manufacturing process technology	90 nm	90 nm
Pipelines	96
Texture fill rate	12.31 GTexel / s	6.9 GTexel / s
Thermal Design Power (TDP)	143 Watt	75 Watt
Transistor count	681 million	384 million
Video outputs and ports
Display Connectors	2x DVI, 1x S-Video	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 1.0 x16	PCIe 1.0 x16
Length	267 mm
Supplementary power connectors	1x 6-pin	1x 6-pin
API support
DirectX	10.0	9.0c
OpenGL	3.3	2.0
Memory
Maximum RAM amount	640 MB	256 MB
Memory bandwidth	63.4 GB / s	38.4 GB / s
Memory bus width	320 Bit	256 Bit
Memory clock speed	1584 MHz	1200 MHz
Memory type	GDDR3	GDDR3