NVIDIA GeForce 820A vs AMD Radeon HD 7400G

Comparative analysis of NVIDIA GeForce 820A and AMD Radeon HD 7400G 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, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the NVIDIA GeForce 820A

  • Videocard is newer: launch date 1 year(s) 6 month(s) later
  • 2.4x more core clock speed: 775 MHz vs 327 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32 nm
  • 2.1x better performance in PassMark - G3D Mark: 556 vs 267
  • Around 45% better performance in PassMark - G2D Mark: 158 vs 109
  • 5.1x better performance in Geekbench - OpenCL: 3032 vs 592
Specifications (specs)
Launch date 17 March 2014 vs 1 September 2012
Core clock speed 775 MHz vs 327 MHz
Manufacturing process technology 28 nm vs 32 nm
Benchmarks
PassMark - G3D Mark 556 vs 267
PassMark - G2D Mark 158 vs 109
Geekbench - OpenCL 3032 vs 592

Reasons to consider the AMD Radeon HD 7400G

  • 2x more pipelines: 192 vs 96
  • Around 10% better performance in GFXBench 4.0 - Manhattan (Frames): 1894 vs 1716
  • Around 10% better performance in GFXBench 4.0 - Manhattan (Fps): 1894 vs 1716
  • Around 81% better performance in GFXBench 4.0 - T-Rex (Frames): 3083 vs 1705
  • Around 81% better performance in GFXBench 4.0 - T-Rex (Fps): 3083 vs 1705
Specifications (specs)
Pipelines 192 vs 96
Benchmarks
GFXBench 4.0 - Manhattan (Frames) 1894 vs 1716
GFXBench 4.0 - Manhattan (Fps) 1894 vs 1716
GFXBench 4.0 - T-Rex (Frames) 3083 vs 1705
GFXBench 4.0 - T-Rex (Fps) 3083 vs 1705

Compare benchmarks

GPU 1: NVIDIA GeForce 820A
GPU 2: AMD Radeon HD 7400G

PassMark - G3D Mark
GPU 1
GPU 2
556
267
PassMark - G2D Mark
GPU 1
GPU 2
158
109
Geekbench - OpenCL
GPU 1
GPU 2
3032
592
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
1716
1894
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
1716
1894
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
1705
3083
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
1705
3083
Name NVIDIA GeForce 820A AMD Radeon HD 7400G
PassMark - G3D Mark 556 267
PassMark - G2D Mark 158 109
Geekbench - OpenCL 3032 592
GFXBench 4.0 - Manhattan (Frames) 1716 1894
GFXBench 4.0 - Manhattan (Fps) 1716 1894
GFXBench 4.0 - T-Rex (Frames) 1705 3083
GFXBench 4.0 - T-Rex (Fps) 1705 3083

Compare specifications (specs)

NVIDIA GeForce 820A AMD Radeon HD 7400G

Essentials

Architecture Fermi 2.0 Terascale 3
Code name GF117 Trinity
Launch date 17 March 2014 1 September 2012
Place in performance rating 1284 1287
Type Desktop Laptop

Technical info

Core clock speed 775 MHz 327 MHz
Floating-point performance 297.6 gflops
Manufacturing process technology 28 nm 32 nm
Pipelines 96 192
Texture fill rate 12.4 GTexel / s
Thermal Design Power (TDP) 15 Watt
Transistor count 585 million
Boost clock speed 423 MHz

Video outputs and ports

Display Connectors No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16
Laptop size medium sized

API support

DirectX 12.0 (11_0) 11
OpenGL 4.6

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
Shared memory 1