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.

AMD Radeon 620

NVIDIA GeForce 820A

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 30% better performance in PassMark - G2D Mark: 205 vs 158
Around 68% better performance in PassMark - G3D Mark: 934 vs 556

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	205 vs 158
PassMark - G3D Mark	934 vs 556

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

205

158

PassMark - G3D Mark

GPU 1

GPU 2

934

556

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	205	158
PassMark - G3D Mark	934	556
Geekbench - OpenCL		2983

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	1247	1282
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