NVIDIA GeForce GT 820M vs AMD Radeon HD 8400 IGP

Comparative analysis of NVIDIA GeForce GT 820M and AMD Radeon HD 8400 IGP 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 GeForce GT 820M

  • Around 94% higher core clock speed: 775 MHz vs 400 MHz
  • 3.9x more texture fill rate: 12.4 GTexel / s vs 3.2 GTexel / s
  • 2.9x better floating-point performance: 297.6 gflops vs 102.4 gflops
  • Around 67% lower typical power consumption: 15 Watt vs 25 Watt
  • 2.1x better performance in PassMark - G3D Mark: 560 vs 265
  • Around 88% better performance in PassMark - G2D Mark: 147 vs 78
  • 2.1x better performance in Geekbench - OpenCL: 2498 vs 1211
  • 2.7x better performance in GFXBench 4.0 - Manhattan (Frames): 2479 vs 930
  • 2x better performance in GFXBench 4.0 - T-Rex (Frames): 3327 vs 1631
  • 2.7x better performance in GFXBench 4.0 - Manhattan (Fps): 2479 vs 930
  • 2x better performance in GFXBench 4.0 - T-Rex (Fps): 3327 vs 1631
Specifications (specs)
Core clock speed 775 MHz vs 400 MHz
Texture fill rate 12.4 GTexel / s vs 3.2 GTexel / s
Floating-point performance 297.6 gflops vs 102.4 gflops
Thermal Design Power (TDP) 15 Watt vs 25 Watt
Benchmarks
PassMark - G3D Mark 560 vs 265
PassMark - G2D Mark 147 vs 78
Geekbench - OpenCL 2498 vs 1211
GFXBench 4.0 - Manhattan (Frames) 2479 vs 930
GFXBench 4.0 - T-Rex (Frames) 3327 vs 1631
GFXBench 4.0 - Manhattan (Fps) 2479 vs 930
GFXBench 4.0 - T-Rex (Fps) 3327 vs 1631

Reasons to consider the AMD Radeon HD 8400 IGP

  • Around 33% higher pipelines: 128 vs 96
  • 6.8x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 18.197 vs 2.692
  • 8.2x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1322.192 vs 161.29
  • 3.2x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.774 vs 0.55
  • 4x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 47.241 vs 11.858
  • 12.6x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 224.569 vs 17.753
Specifications (specs)
Pipelines 128 vs 96
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 18.197 vs 2.692
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1322.192 vs 161.29
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.774 vs 0.55
CompuBench 1.5 Desktop - Video Composition (Frames/s) 47.241 vs 11.858
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 224.569 vs 17.753

Compare benchmarks

GPU 1: NVIDIA GeForce GT 820M
GPU 2: AMD Radeon HD 8400 IGP

PassMark - G3D Mark
GPU 1
GPU 2
560
265
PassMark - G2D Mark
GPU 1
GPU 2
147
78
Geekbench - OpenCL
GPU 1
GPU 2
2498
1211
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
2.692
18.197
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
161.29
1322.192
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
0.55
1.774
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
11.858
47.241
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
17.753
224.569
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
2479
930
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3327
1631
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
2479
930
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3327
1631
Name NVIDIA GeForce GT 820M AMD Radeon HD 8400 IGP
PassMark - G3D Mark 560 265
PassMark - G2D Mark 147 78
Geekbench - OpenCL 2498 1211
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.692 18.197
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 161.29 1322.192
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.55 1.774
CompuBench 1.5 Desktop - Video Composition (Frames/s) 11.858 47.241
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 17.753 224.569
GFXBench 4.0 - Car Chase Offscreen (Frames) 1263
GFXBench 4.0 - Manhattan (Frames) 2479 930
GFXBench 4.0 - T-Rex (Frames) 3327 1631
GFXBench 4.0 - Car Chase Offscreen (Fps) 1263
GFXBench 4.0 - Manhattan (Fps) 2479 930
GFXBench 4.0 - T-Rex (Fps) 3327 1631

Compare specifications (specs)

NVIDIA GeForce GT 820M AMD Radeon HD 8400 IGP

Essentials

Architecture Fermi 2.0 GCN 2.0
Code name GF117 Kalindi
Launch date 27 November 2013 23 November 2013
Place in performance rating 1368 1369
Type Desktop Desktop

Technical info

Core clock speed 775 MHz 400 MHz
Floating-point performance 297.6 gflops 102.4 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 96 128
Texture fill rate 12.4 GTexel / s 3.2 GTexel / s
Thermal Design Power (TDP) 15 Watt 25 Watt
Transistor count 585 million 1,178 million

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 IGP

API support

DirectX 12.0 (11_0) 12.0 (12_0)
OpenGL 4.6 4.5

Memory

Maximum RAM amount 1 GB
Memory bandwidth 14.4 GB / s
Memory bus width 64 Bit
Memory clock speed 1800 MHz
Memory type DDR3 System Shared