NVIDIA Tesla C870 vs ATI Radeon X1650 GT

Comparative analysis of NVIDIA Tesla C870 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 C870

  • Around 50% higher core clock speed: 600 MHz vs 400 MHz
  • 6x more texture fill rate: 19.2 GTexel / s vs 3.2 GTexel / s
  • 12x more maximum memory size: 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 19.2 GTexel / s vs 3.2 GTexel / s
Maximum memory size 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 C870 ATI Radeon X1650 GT

Essentials

Architecture Tesla R500
Code name G80 RV560
Launch date 2 May 2007 1 May 2007
Launch price (MSRP) $1,499
Place in performance rating not rated not rated
Type Workstation Desktop

Technical info

Core clock speed 600 MHz 400 MHz
Floating-point performance 345.6 gflops
Manufacturing process technology 90 nm 80 nm
Pipelines 128
Texture fill rate 19.2 GTexel / s 3.2 GTexel / s
Thermal Design Power (TDP) 171 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 2x 6-pin None

API support

DirectX 10.0 9.0c
OpenGL 3.3 2.0

Memory

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

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