NVIDIA Quadro M620 Mobile vs NVIDIA GRID A100B
We compared two Professional market GPUs: 2GB VRAM Quadro M620 Mobile and 48GB VRAM GRID A100B to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro M620 Mobile 's Advantages
Lower TDP (30W vs 400W)
NVIDIA GRID A100B 's Advantages
Released 3 years and 4 months late
Boost Clock has increased by 3% (1005MHz vs 977MHz)
More VRAM (48GB vs 2GB)
Larger VRAM bandwidth (1866GB/s vs 80.19GB/s)
6400 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro M620 Mobile
1 TFLOPS
GRID A100B
+1289%
13.89 TFLOPS
Graphics Card
Jan 2017
Release Date
May 2020
Quadro Mobile
Generation
GRID
Professional
Type
Professional
MXM-A (3.0)
Bus Interface
PCIe 4.0 x16
Clock Speeds
756 MHz
Base Clock
900 MHz
977 MHz
Boost Clock
1005 MHz
1253 MHz
Memory Clock
1215 MHz
Memory
2GB
Memory Size
48GB
GDDR5
Memory Type
HBM2e
128bit
Memory Bus
6144bit
80.19GB/s
Bandwidth
1866GB/s
Render Config
-
-
-
-
SM Count
108
512
Shading Units
6912
32
TMUs
432
16
ROPs
192
-
Tensor Cores
432
-
-
-
64 KB (per SMM)
L1 Cache
192 KB (per SM)
2 MB
L2 Cache
48 MB
-
-
-
Theoretical Performance
15.63 GPixel/s
Pixel Rate
193.0 GPixel/s
31.26 GTexel/s
Texture Rate
434.2 GTexel/s
-
FP16 (half)
55.57 TFLOPS
1000 GFLOPS
FP32 (float)
13.89 TFLOPS
31.26 GFLOPS
FP64 (double)
6.947 TFLOPS
Board Design
30W
TDP
400W
-
Suggested PSU
800 W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GM107
GPU Name
GA100
-
-
-
Maxwell
Architecture
Ampere
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
1.87 billion
Transistors
54.2 billion
148 mm²
Die Size
826 mm²
Graphics Features
12 (11_0)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.3
Vulkan
N/A
5.0
CUDA
8.0
5.1
Shader Model
N/A
