NVIDIA Quadro M620 Mobile vs NVIDIA RTX A4000 Mobile
We compared two Professional market GPUs: 2GB VRAM Quadro M620 Mobile and 8GB VRAM RTX A4000 Mobile 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 115W)
NVIDIA RTX A4000 Mobile 's Advantages
Released 4 years and 3 months late
Boost Clock has increased by 72% (1680MHz vs 977MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 80.19GB/s)
4608 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro M620 Mobile
1 TFLOPS
RTX A4000 Mobile
+1620%
17.2 TFLOPS
OctaneBench
Quadro M620 Mobile
27
RTX A4000 Mobile
+1011%
300
Graphics Card
Jan 2017
Release Date
Apr 2021
Quadro Mobile
Generation
Ampere-MW
Professional
Type
Professional
MXM-A (3.0)
Bus Interface
PCIe 4.0 x16
Clock Speeds
756 MHz
Base Clock
1140 MHz
977 MHz
Boost Clock
1680 MHz
1253 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
256bit
80.19GB/s
Bandwidth
384.0GB/s
Render Config
-
-
-
-
SM Count
40
512
Shading Units
5120
32
TMUs
160
16
ROPs
80
-
Tensor Cores
160
-
RT Cores
40
64 KB (per SMM)
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
15.63 GPixel/s
Pixel Rate
134.4 GPixel/s
31.26 GTexel/s
Texture Rate
268.8 GTexel/s
-
FP16 (half)
17.20 TFLOPS
1000 GFLOPS
FP32 (float)
17.20 TFLOPS
31.26 GFLOPS
FP64 (double)
268.8 GFLOPS
Board Design
30W
TDP
115W
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
GM107
GPU Name
GA104
-
-
-
Maxwell
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
1.87 billion
Transistors
17.4 billion
148 mm²
Die Size
392 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
5.0
CUDA
8.6
5.1
Shader Model
6.8
