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.

 

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

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