NVIDIA GRID K2 vs NVIDIA Tesla K20c

Comparative analysis of NVIDIA GRID K2 and NVIDIA Tesla K20c videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the NVIDIA GRID K2

  • Videocard is newer: launch date 5 month(s) later
  • Around 6% higher core clock speed: 745 MHz vs 706 MHz
  • 2x more texture fill rate: 2x 95.36 GTexel / s billion / sec vs 146.8 GTexel / s
  • Around 23% higher pipelines: 2x 1536 vs 2496
  • Around 30% better floating-point performance: 2x 2,289 gflops vs 3,524 gflops
  • Around 60% higher maximum memory size: 2x 4 GB vs 5 GB
Launch date 11 May 2013 vs 12 November 2012
Core clock speed 745 MHz vs 706 MHz
Texture fill rate 2x 95.36 GTexel / s billion / sec vs 146.8 GTexel / s
Pipelines 2x 1536 vs 2496
Floating-point performance 2x 2,289 gflops vs 3,524 gflops
Maximum memory size 2x 4 GB vs 5 GB

Reasons to consider the NVIDIA Tesla K20c

  • Around 4% higher memory clock speed: 5200 MHz vs 5000 MHz
  • Around 49% better performance in Geekbench - OpenCL: 15597 vs 10471
  • 2.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 39.423 vs 18.943
  • Around 47% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1427.15 vs 968.568
  • Around 64% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 4.128 vs 2.51
  • Around 95% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 64.383 vs 32.988
  • Around 57% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 179.044 vs 114.144
Specifications (specs)
Memory clock speed 5200 MHz vs 5000 MHz
Benchmarks
Geekbench - OpenCL 15597 vs 10471
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 39.423 vs 18.943
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1427.15 vs 968.568
CompuBench 1.5 Desktop - T-Rex (Frames/s) 4.128 vs 2.51
CompuBench 1.5 Desktop - Video Composition (Frames/s) 64.383 vs 32.988
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 179.044 vs 114.144

Compare benchmarks

GPU 1: NVIDIA GRID K2
GPU 2: NVIDIA Tesla K20c

Geekbench - OpenCL
GPU 1
GPU 2
10471
15597
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
18.943
39.423
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
968.568
1427.15
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
2.51
4.128
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
32.988
64.383
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
114.144
179.044
Name NVIDIA GRID K2 NVIDIA Tesla K20c
PassMark - G3D Mark 2737
PassMark - G2D Mark 319
Geekbench - OpenCL 10471 15597
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 18.943 39.423
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 968.568 1427.15
CompuBench 1.5 Desktop - T-Rex (Frames/s) 2.51 4.128
CompuBench 1.5 Desktop - Video Composition (Frames/s) 32.988 64.383
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 114.144 179.044
GFXBench 4.0 - Car Chase Offscreen (Frames) 6371
GFXBench 4.0 - Manhattan (Frames) 344
GFXBench 4.0 - T-Rex (Frames) 312
GFXBench 4.0 - Car Chase Offscreen (Fps) 6371
GFXBench 4.0 - Manhattan (Fps) 344
GFXBench 4.0 - T-Rex (Fps) 312

Compare specifications (specs)

NVIDIA GRID K2 NVIDIA Tesla K20c

Essentials

Architecture Kepler Kepler
Code name GK104 GK110
Launch date 11 May 2013 12 November 2012
Launch price (MSRP) $5,199 $3,199
Place in performance rating 975 976
Type Workstation Workstation

Technical info

Core clock speed 745 MHz 706 MHz
Floating-point performance 2x 2,289 gflops 3,524 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 2x 1536 2496
Texture fill rate 2x 95.36 GTexel / s billion / sec 146.8 GTexel / s
Thermal Design Power (TDP) 225 Watt 225 Watt
Transistor count 3,540 million 7,080 million

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 267 mm 267 mm
Supplementary power connectors 1x 8-pin 1x 6-pin + 1x 8-pin

API support

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

Memory

Maximum RAM amount 2x 4 GB 5 GB
Memory bandwidth 2x 160.0 GB / s 208.0 GB / s
Memory bus width 2x 256 Bit 320 Bit
Memory clock speed 5000 MHz 5200 MHz
Memory type GDDR5 GDDR5