NVIDIA Tesla K20s vs AMD Radeon HD 8670A

Comparative analysis of NVIDIA Tesla K20s and AMD Radeon HD 8670A 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 K20s

  • Around 18% higher core clock speed: 706 MHz vs 600 MHz
  • 12.2x more texture fill rate: 146.8 GTexel / s vs 12 GTexel / s
  • 7.8x more pipelines: 2496 vs 320
  • 9.2x better floating-point performance: 3,524 gflops vs 384.0 gflops
  • 5x more maximum memory size: 5 GB vs 1 GB
  • 2.6x more memory clock speed: 5200 MHz vs 2000 MHz
Core clock speed 706 MHz vs 600 MHz
Texture fill rate 146.8 GTexel / s vs 12 GTexel / s
Pipelines 2496 vs 320
Floating-point performance 3,524 gflops vs 384.0 gflops
Maximum memory size 5 GB vs 1 GB
Memory clock speed 5200 MHz vs 2000 MHz

Reasons to consider the AMD Radeon HD 8670A

  • 5x lower typical power consumption: 45 Watt vs 225 Watt
Thermal Design Power (TDP) 45 Watt vs 225 Watt

Compare specifications (specs)

NVIDIA Tesla K20s AMD Radeon HD 8670A

Essentials

Architecture Kepler GCN 1.0
Code name GK110 Mars
Launch date 18 February 2013 2 February 2013
Launch price (MSRP) $3,199
Place in performance rating not rated not rated
Type Workstation Desktop

Technical info

Core clock speed 706 MHz 600 MHz
Floating-point performance 3,524 gflops 384.0 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 2496 320
Texture fill rate 146.8 GTexel / s 12 GTexel / s
Thermal Design Power (TDP) 225 Watt 45 Watt
Transistor count 7,080 million 1,040 million

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 MXM-A (3.0)
Length 267 mm

API support

DirectX 12.0 (11_0) 12.0 (11_1)
OpenGL 4.6 4.5

Memory

Maximum RAM amount 5 GB 1 GB
Memory bandwidth 208.0 GB / s 16 GB / s
Memory bus width 320 Bit 64 Bit
Memory clock speed 5200 MHz 2000 MHz
Memory type GDDR5 DDR3

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