NVIDIA Quadro M620 Mobile vs NVIDIA GRID M40
We compared two Professional market GPUs: 2GB VRAM Quadro M620 Mobile and 8GB VRAM GRID M40 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro M620 Mobile 's Advantages
Released 8 months late
Boost Clock977MHz
128 additional rendering cores
Lower TDP (30W vs 50W)
NVIDIA GRID M40 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (83.20GB/s vs 80.19GB/s)
Score
Benchmark
FP32 (float)
Quadro M620 Mobile
+26%
1 TFLOPS
GRID M40
0.793 TFLOPS
Graphics Card
Jan 2017
Release Date
May 2016
Quadro Mobile
Generation
GRID
Professional
Type
Professional
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
756 MHz
Base Clock
-
977 MHz
Boost Clock
-
1253 MHz
Memory Clock
1300 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
80.19GB/s
Bandwidth
83.20GB/s
Render Config
-
-
-
-
-
-
512
Shading Units
384
32
TMUs
32
16
ROPs
16
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SMM)
2 MB
L2 Cache
2 MB
-
-
-
Theoretical Performance
15.63 GPixel/s
Pixel Rate
16.53 GPixel/s
31.26 GTexel/s
Texture Rate
33.06 GTexel/s
-
-
-
1000 GFLOPS
FP32 (float)
793.3 GFLOPS
31.26 GFLOPS
FP64 (double)
24.79 GFLOPS
Board Design
30W
TDP
50W
-
Suggested PSU
250 W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GM107
GPU Name
GM107
-
-
-
Maxwell
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
1.87 billion
148 mm²
Die Size
148 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
5.0
CUDA
5.0
5.1
Shader Model
5.1
