Radeon 620 Mobile vs GeForce 800A
We compared two Mobile platform GPUs: 2GB VRAM Radeon 620 Mobile and 1024MB VRAM GeForce 800A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 620 Mobile 's Advantages
Released 5 years and 2 months late
Boost Clock1024MHz
More VRAM (2GB vs 1024GB)
336 additional rendering cores
GeForce 800A 's Advantages
Lower TDP (15W vs 50W)
Score
Benchmark
FP32 (float)
Radeon 620 Mobile
+763%
786
GeForce 800A
91
Graphics Card
May 2019
Release Date
Mar 2014
Mobility Radeon
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
730 MHz
Base Clock
-
1024 MHz
Boost Clock
-
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
14.40GB/s
Render Config
6
Compute Units
-
-
SM Count
1
384
Shading Units
48
24
TMUs
8
8
ROPs
4
16 KB (per CU)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
128 KB
Theoretical Performance
8.192 GPixel/s
Pixel Rate
950.0 MPixel/s
24.58 GTexel/s
Texture Rate
3.800 GTexel/s
786.4 GFLOPS
FP16 (half)
-
786.4 GFLOPS
FP32 (float)
91.20 GFLOPS
49.15 GFLOPS
FP64 (double)
7.600 GFLOPS
Board Design
50W
TDP
15W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Polaris 24
GPU Name
GF119
Polaris 24 XL
GPU Variant
-
GCN 3.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.55 billion
Transistors
0.292 billion
125 mm²
Die Size
79 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.3
Shader Model
5.1