AMD Radeon HD 7990 vs NVIDIA Tesla K20m

Comparative analysis of AMD Radeon HD 7990 and NVIDIA Tesla K20m 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, 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), 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL.

 

Differences

Reasons to consider the AMD Radeon HD 7990

  • Videocard is newer: launch date 3 month(s) later
  • Around 35% higher core clock speed: 950 MHz vs 706 MHz
  • 14.5x more texture fill rate: 2x 128.0 GTexel / s billion / sec vs 146.8 GTexel / s
  • Around 64% higher pipelines: 2x 2048 vs 2496
  • 2.3x better floating-point performance: 2x 4,096 gflops vs 3,524 gflops
  • Around 20% higher maximum memory size: 2x 3 GB vs 5 GB
  • Around 15% higher memory clock speed: 6000 MHz vs 5200 MHz
  • Around 26% better performance in PassMark - G3D Mark: 5566 vs 4432
  • 3.6x better performance in PassMark - G2D Mark: 766 vs 210
  • Around 62% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 88.665 vs 54.89
  • Around 24% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1753.494 vs 1414.755
  • Around 59% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 8.437 vs 5.303
  • Around 5% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 88.328 vs 83.807
  • Around 74% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 434.598 vs 250.291
Specifications (specs)
Launch date 24 April 2013 vs 5 January 2013
Core clock speed 950 MHz vs 706 MHz
Texture fill rate 2x 128.0 GTexel / s billion / sec vs 146.8 GTexel / s
Pipelines 2x 2048 vs 2496
Floating-point performance 2x 4,096 gflops vs 3,524 gflops
Maximum memory size 2x 3 GB vs 5 GB
Memory clock speed 6000 MHz vs 5200 MHz
Benchmarks
PassMark - G3D Mark 5566 vs 4432
PassMark - G2D Mark 766 vs 210
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 88.665 vs 54.89
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1753.494 vs 1414.755
CompuBench 1.5 Desktop - T-Rex (Frames/s) 8.437 vs 5.303
CompuBench 1.5 Desktop - Video Composition (Frames/s) 88.328 vs 83.807
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 434.598 vs 250.291

Reasons to consider the NVIDIA Tesla K20m

  • Around 67% lower typical power consumption: 225 Watt vs 375 Watt
  • Around 24% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 8319 vs 6689
  • Around 98% better performance in GFXBench 4.0 - Manhattan (Frames): 7337 vs 3712
  • 3.2x better performance in GFXBench 4.0 - T-Rex (Frames): 10873 vs 3356
  • Around 24% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 8319 vs 6689
  • Around 98% better performance in GFXBench 4.0 - Manhattan (Fps): 7337 vs 3712
  • 3.2x better performance in GFXBench 4.0 - T-Rex (Fps): 10873 vs 3356
Specifications (specs)
Thermal Design Power (TDP) 225 Watt vs 375 Watt
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames) 8319 vs 6689
GFXBench 4.0 - Manhattan (Frames) 7337 vs 3712
GFXBench 4.0 - T-Rex (Frames) 10873 vs 3356
GFXBench 4.0 - Car Chase Offscreen (Fps) 8319 vs 6689
GFXBench 4.0 - Manhattan (Fps) 7337 vs 3712
GFXBench 4.0 - T-Rex (Fps) 10873 vs 3356

Compare benchmarks

GPU 1: AMD Radeon HD 7990
GPU 2: NVIDIA Tesla K20m

PassMark - G3D Mark
GPU 1
GPU 2
5566
4432
PassMark - G2D Mark
GPU 1
GPU 2
766
210
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
88.665
54.89
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
1753.494
1414.755
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
8.437
5.303
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
88.328
83.807
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
434.598
250.291
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
6689
8319
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3712
7337
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3356
10873
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
6689
8319
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3712
7337
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3356
10873
Name AMD Radeon HD 7990 NVIDIA Tesla K20m
PassMark - G3D Mark 5566 4432
PassMark - G2D Mark 766 210
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 88.665 54.89
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1753.494 1414.755
CompuBench 1.5 Desktop - T-Rex (Frames/s) 8.437 5.303
CompuBench 1.5 Desktop - Video Composition (Frames/s) 88.328 83.807
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 434.598 250.291
GFXBench 4.0 - Car Chase Offscreen (Frames) 6689 8319
GFXBench 4.0 - Manhattan (Frames) 3712 7337
GFXBench 4.0 - T-Rex (Frames) 3356 10873
GFXBench 4.0 - Car Chase Offscreen (Fps) 6689 8319
GFXBench 4.0 - Manhattan (Fps) 3712 7337
GFXBench 4.0 - T-Rex (Fps) 3356 10873
3DMark Fire Strike - Graphics Score 0
Geekbench - OpenCL 14510

Compare specifications (specs)

AMD Radeon HD 7990 NVIDIA Tesla K20m

Essentials

Architecture GCN 1.0 Kepler
Code name Malta GK110
Design AMD Radeon HD 7000 Series
Launch date 24 April 2013 5 January 2013
Launch price (MSRP) $999 $3,199
Place in performance rating 421 418
Price now $1,126.99
Type Desktop Workstation
Value for money (0-100) 7.87

Technical info

Boost clock speed 1000 MHz
Core clock speed 950 MHz 706 MHz
Floating-point performance 2x 4,096 gflops 3,524 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 2x 2048 2496
Texture fill rate 2x 128.0 GTexel / s billion / sec 146.8 GTexel / s
Thermal Design Power (TDP) 375 Watt 225 Watt
Transistor count 4,313 million 7,080 million

Video outputs and ports

Display Connectors 1x DVI, 4x mini-DisplayPort No outputs
DisplayPort support
Dual-link DVI support
VGA

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 307 mm 267 mm
Supplementary power connectors 2x 8-pin 1x 6-pin + 1x 8-pin

API support

DirectX 11.2 12.0 (11_0)
OpenGL 4.5 4.6

Memory

Maximum RAM amount 2x 3 GB 5 GB
Memory bandwidth 2x 288.0 GB / s 208.0 GB / s
Memory bus width 2x 384 Bit 320 Bit
Memory clock speed 6000 MHz 5200 MHz
Memory type GDDR5 GDDR5