Radeon 620 Mobile vs GeForce 830A
We compared two Mobile platform GPUs: 2GB VRAM Radeon 620 Mobile and 2GB VRAM GeForce 830A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 620 Mobile 's Advantages
Released 4 years and 10 months late
128 additional rendering cores
GeForce 830A 's Advantages
Boost Clock has increased by 12% (1150MHz vs 1024MHz)
Lower TDP (33W vs 50W)
Score
Benchmark
FP32 (float)
Radeon 620 Mobile
+33%
786
GeForce 830A
589
Graphics Card
May 2019
Release Date
Jul 2014
Mobility Radeon
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
730 MHz
Base Clock
1082 MHz
1024 MHz
Boost Clock
1150 MHz
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
14.40GB/s
Render Config
6
Compute Units
-
384
Shading Units
256
24
TMUs
16
8
ROPs
8
16 KB (per CU)
L1 Cache
64 KB (per SMM)
128 KB
L2 Cache
1024 KB
Theoretical Performance
8.192 GPixel/s
Pixel Rate
9.200 GPixel/s
24.58 GTexel/s
Texture Rate
18.40 GTexel/s
786.4 GFLOPS
FP16 (half)
-
786.4 GFLOPS
FP32 (float)
588.8 GFLOPS
49.15 GFLOPS
FP64 (double)
18.40 GFLOPS
Board Design
50W
TDP
33W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Polaris 24
GPU Name
GM108
Polaris 24 XL
GPU Variant
-
GCN 3.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.55 billion
Transistors
Unknown
125 mm²
Die Size
Unknown
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.0
6.3
Shader Model
5.1