NVIDIA Tesla S870 vs ATI Radeon X1650 GT

Comparative analysis of NVIDIA Tesla S870 and ATI Radeon X1650 GT 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 Tesla S870

  • Around 50% higher core clock speed: 600 MHz vs 400 MHz
  • 131x more texture fill rate: 4x 19.2 GTexel / s billion / sec vs 3.2 GTexel / s
  • 48x more maximum memory size: 4x 1536 MB vs 128 MB
  • 2x more memory clock speed: 1600 MHz vs 800 MHz
Core clock speed 600 MHz vs 400 MHz
Texture fill rate 4x 19.2 GTexel / s billion / sec vs 3.2 GTexel / s
Maximum memory size 4x 1536 MB vs 128 MB
Memory clock speed 1600 MHz vs 800 MHz

Reasons to consider the ATI Radeon X1650 GT

  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 80 nm vs 90 nm
Manufacturing process technology 80 nm vs 90 nm

Compare specifications (specs)

NVIDIA Tesla S870 ATI Radeon X1650 GT

Essentials

Architecture Tesla R500
Code name G80 RV560
Launch date 2 May 2007 1 May 2007
Launch price (MSRP) $11,999
Place in performance rating not rated not rated
Type Workstation Desktop

Technical info

Core clock speed 600 MHz 400 MHz
Floating-point performance 4x 345.6 gflops
Manufacturing process technology 90 nm 80 nm
Pipelines 4x 128
Texture fill rate 4x 19.2 GTexel / s billion / sec 3.2 GTexel / s
Thermal Design Power (TDP) 800 Watt
Transistor count 681 million 330 million

Video outputs and ports

Display Connectors No outputs 1x DVI, 1x VGA, 1x S-Video

Compatibility, dimensions and requirements

Interface PCIe 1.0 x16 PCIe 1.0 x16
Supplementary power connectors None

API support

DirectX 10.0 9.0c
OpenGL 3.3 2.0

Memory

Maximum RAM amount 4x 1536 MB 128 MB
Memory bandwidth 4x 76.8 GB / s 12.8 GB / s
Memory bus width 4x 384 Bit 128 Bit
Memory clock speed 1600 MHz 800 MHz
Memory type GDDR3 GDDR3

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