NVIDIA Tesla C870 vs NVIDIA Tesla D870

Comparative analysis of NVIDIA Tesla C870 and NVIDIA Tesla D870 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

  • 3x lower typical power consumption: 171 Watt vs 520 Watt
Thermal Design Power (TDP) 171 Watt vs 520 Watt

Reasons to consider the NVIDIA Tesla D870

  • 11.4x more texture fill rate: 2x 19.2 GTexel / s billion / sec vs 19.2 GTexel / s
  • 2x more pipelines: 2x 128 vs 128
  • 2x better floating-point performance: 2x 345.6 gflops vs 345.6 gflops
  • 2x more maximum memory size: 2x 1536 MB vs 1536 MB
Texture fill rate 2x 19.2 GTexel / s billion / sec vs 19.2 GTexel / s
Pipelines 2x 128 vs 128
Floating-point performance 2x 345.6 gflops vs 345.6 gflops
Maximum memory size 2x 1536 MB vs 1536 MB

Compare specifications (specs)

NVIDIA Tesla C870 NVIDIA Tesla D870

Essentials

Architecture Tesla Tesla
Code name G80 G80
Launch date 2 May 2007 2 May 2007
Launch price (MSRP) $1,499 $7,499
Place in performance rating not rated not rated
Type Workstation Workstation

Technical info

Core clock speed 600 MHz 600 MHz
Floating-point performance 345.6 gflops 2x 345.6 gflops
Manufacturing process technology 90 nm 90 nm
Pipelines 128 2x 128
Texture fill rate 19.2 GTexel / s 2x 19.2 GTexel / s billion / sec
Thermal Design Power (TDP) 171 Watt 520 Watt
Transistor count 681 million 681 million

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 1.0 x16 PCIe 1.0 x16
Supplementary power connectors 2x 6-pin

API support

DirectX 10.0 10.0
OpenGL 3.3 3.3

Memory

Maximum RAM amount 1536 MB 2x 1536 MB
Memory bandwidth 76.8 GB / s 2x 76.8 GB / s
Memory bus width 384 Bit 2x 384 Bit
Memory clock speed 1600 MHz 1600 MHz
Memory type GDDR3 GDDR3

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