AMD Radeon 620 vs NVIDIA GeForce 820A

Comparative analysis of AMD Radeon 620 and NVIDIA GeForce 820A 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: GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL.

 

Differences

Reasons to consider the AMD Radeon 620

  • Videocard is newer: launch date 5 year(s) 1 month(s) later
  • 1982.3x more texture fill rate: 24.58 GTexel/s vs 12.4 GTexel / s
  • 4x more pipelines: 384 vs 96
  • 2x more maximum memory size: 2 GB vs 1 GB
  • Around 38% better performance in PassMark - G2D Mark: 223 vs 162
  • Around 59% better performance in PassMark - G3D Mark: 902 vs 568
Specifications (specs)
Launch date 13 May 2019 vs 17 March 2014
Texture fill rate 24.58 GTexel/s vs 12.4 GTexel / s
Pipelines 384 vs 96
Maximum memory size 2 GB vs 1 GB
Benchmarks
PassMark - G2D Mark 223 vs 162
PassMark - G3D Mark 902 vs 568

Reasons to consider the NVIDIA GeForce 820A

  • Around 6% higher core clock speed: 775 MHz vs 730 MHz
  • 3.3x lower typical power consumption: 15 Watt vs 50 Watt
  • 2x more memory clock speed: 1800 MHz vs 900 MHz (1800 MHz effective)
  • 2.5x better performance in GFXBench 4.0 - Manhattan (Frames): 1716 vs 694
  • 2.5x better performance in GFXBench 4.0 - Manhattan (Fps): 1716 vs 694
  • Around 53% better performance in GFXBench 4.0 - T-Rex (Frames): 1705 vs 1116
  • Around 53% better performance in GFXBench 4.0 - T-Rex (Fps): 1705 vs 1116
Specifications (specs)
Core clock speed 775 MHz vs 730 MHz
Thermal Design Power (TDP) 15 Watt vs 50 Watt
Memory clock speed 1800 MHz vs 900 MHz (1800 MHz effective)
Benchmarks
GFXBench 4.0 - Manhattan (Frames) 1716 vs 694
GFXBench 4.0 - Manhattan (Fps) 1716 vs 694
GFXBench 4.0 - T-Rex (Frames) 1705 vs 1116
GFXBench 4.0 - T-Rex (Fps) 1705 vs 1116

Compare benchmarks

GPU 1: AMD Radeon 620
GPU 2: NVIDIA GeForce 820A

GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
694
1716
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
694
1716
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
1116
1705
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
1116
1705
PassMark - G2D Mark
GPU 1
GPU 2
223
162
PassMark - G3D Mark
GPU 1
GPU 2
902
568
Name AMD Radeon 620 NVIDIA GeForce 820A
GFXBench 4.0 - Car Chase Offscreen (Frames) 1991
GFXBench 4.0 - Car Chase Offscreen (Fps) 1991
GFXBench 4.0 - Manhattan (Frames) 694 1716
GFXBench 4.0 - Manhattan (Fps) 694 1716
GFXBench 4.0 - T-Rex (Frames) 1116 1705
GFXBench 4.0 - T-Rex (Fps) 1116 1705
PassMark - G2D Mark 223 162
PassMark - G3D Mark 902 568
Geekbench - OpenCL 2718

Compare specifications (specs)

AMD Radeon 620 NVIDIA GeForce 820A

Essentials

Architecture GCN 3.0 Fermi 2.0
Code name Polaris 24 GF117
Launch date 13 May 2019 17 March 2014
Place in performance rating 1146 1158
Type Laptop Desktop

Technical info

Boost clock speed 1024 MHz
Compute units 6
Core clock speed 730 MHz 775 MHz
Manufacturing process technology 28 nm 28 nm
Peak Double Precision (FP64) Performance 49.15 GFLOPS (1:16)
Peak Half Precision (FP16) Performance 786.4 GFLOPS (1:1)
Peak Single Precision (FP32) Performance 786.4 GFLOPS
Pipelines 384 96
Pixel fill rate 8.192 GPixel/s
Texture fill rate 24.58 GTexel/s 12.4 GTexel / s
Thermal Design Power (TDP) 50 Watt 15 Watt
Transistor count 1550 million 585 million
Floating-point performance 297.6 gflops

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 3.0 x8 PCIe 2.0 x16
Supplementary power connectors None
Width IGP

API support

DirectX 12 12.0 (11_0)
OpenCL 2.0
OpenGL 4.6 4.6
Shader Model 6.3
Vulkan

Memory

Maximum RAM amount 2 GB 1 GB
Memory bandwidth 14.40 GB/s 14.4 GB / s
Memory bus width 64 bit 64 Bit
Memory clock speed 900 MHz (1800 MHz effective) 1800 MHz
Memory type DDR3 DDR3