GRID M40 vs Quadro K620M
We compared two Professional market GPUs: 8GB VRAM GRID M40 and 2GB VRAM Quadro K620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GRID M40 's Advantages
Released 1 years and 2 months late
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (83.20GB/s vs 14.40GB/s)
Quadro K620M 's Advantages
Boost Clock1124MHz
Lower TDP (30W vs 50W)
Score
Benchmark
FP32 (float)
GRID M40
793
Quadro K620M
+8%
863
Graphics Card
May 2016
Release Date
Mar 2015
GRID
Generation
Quadro Mobile
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
1029 MHz
-
Boost Clock
1124 MHz
1300 MHz
Memory Clock
900 MHz
Memory
8GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
83.20GB/s
Bandwidth
14.40GB/s
Render Config
384
Shading Units
384
32
TMUs
16
16
ROPs
8
64 KB (per SMM)
L1 Cache
64 KB (per SMM)
2 MB
L2 Cache
1024 KB
Theoretical Performance
16.53 GPixel/s
Pixel Rate
8.992 GPixel/s
33.06 GTexel/s
Texture Rate
17.98 GTexel/s
793.3 GFLOPS
FP32 (float)
863.2 GFLOPS
24.79 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
50W
TDP
30W
250 W
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GM107
GPU Name
GM108
-
GPU Variant
N15M-Q3
Maxwell
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
Unknown
148 mm²
Die Size
Unknown
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