NVIDIA Quadro M620 Mobile vs NVIDIA Quadro CX
We compared two Professional market GPUs: 2GB VRAM Quadro M620 Mobile and 1536MB VRAM Quadro CX 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 years and 2 months late
Boost Clock977MHz
More VRAM (2GB vs 1536GB)
Larger VRAM bandwidth (80.19GB/s vs 76.80GB/s)
320 additional rendering cores
Lower TDP (30W vs 150W)
Score
Benchmark
FP32 (float)
Quadro M620 Mobile
+116%
1 TFLOPS
Quadro CX
0.462 TFLOPS
Graphics Card
Jan 2017
Release Date
Nov 2008
Quadro Mobile
Generation
Quadro CX
Professional
Type
Professional
MXM-A (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
756 MHz
Base Clock
-
977 MHz
Boost Clock
-
1253 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1536MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
384bit
80.19GB/s
Bandwidth
76.80GB/s
Render Config
-
-
-
-
SM Count
24
512
Shading Units
192
32
TMUs
64
16
ROPs
24
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
-
2 MB
L2 Cache
192 KB
-
-
-
Theoretical Performance
15.63 GPixel/s
Pixel Rate
14.45 GPixel/s
31.26 GTexel/s
Texture Rate
38.53 GTexel/s
-
-
-
1000 GFLOPS
FP32 (float)
462.3 GFLOPS
31.26 GFLOPS
FP64 (double)
57.79 GFLOPS
Board Design
30W
TDP
150W
-
Suggested PSU
450 W
No outputs
Outputs
1x DVI
2x DisplayPort
1x S-Video
None
Power Connectors
1x 6-pin
Graphics Processor
GM107
GPU Name
GT200B
-
-
-
Maxwell
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.87 billion
Transistors
1.4 billion
148 mm²
Die Size
470 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
1.3
5.1
Shader Model
4.0
