NVIDIA Quadro K620M vs NVIDIA GRID M3 3020
We compared two Professional market GPUs: 2GB VRAM Quadro K620M and 4GB VRAM GRID M3 3020 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GRID M3 3020 's Advantages
Released 1 years and 2 months late
Boost Clock has increased by 16% (1306MHz vs 1124MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (83.20GB/s vs 14.40GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro K620M
0.863 TFLOPS
GRID M3 3020
+93%
1.672 TFLOPS
Graphics Card
Mar 2015
Release Date
May 2016
Quadro Mobile
Generation
GRID
Professional
Type
Professional
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1029 MHz
Base Clock
1033 MHz
1124 MHz
Boost Clock
1306 MHz
900 MHz
Memory Clock
1300 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
83.20GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
640
16
TMUs
40
8
ROPs
16
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SMM)
1024 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
8.992 GPixel/s
Pixel Rate
20.90 GPixel/s
17.98 GTexel/s
Texture Rate
52.24 GTexel/s
-
-
-
863.2 GFLOPS
FP32 (float)
1.672 TFLOPS
26.98 GFLOPS
FP64 (double)
52.24 GFLOPS
Board Design
30W
TDP
Unknown
-
Suggested PSU
200 W
No outputs
Outputs
No outputs
None
Power Connectors
1x 8-pin
Graphics Processor
GM108
GPU Name
GM107
N15M-Q3
GPU Variant
-
Maxwell
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
1.87 billion
Unknown
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
6.7 (5.1)
