GRID M40 vs Quadro P400
We compared two Professional market GPUs: 8GB VRAM GRID M40 and 2GB VRAM Quadro P400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GRID M40 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (83.20GB/s vs 32.06GB/s)
128 additional rendering cores
Quadro P400 's Advantages
Released 9 months late
Boost Clock1252MHz
Lower TDP (30W vs 50W)
Score
Benchmark
FP32 (float)
GRID M40
+23%
793
Quadro P400
641
Graphics Card
May 2016
Release Date
Feb 2017
GRID
Generation
Quadro
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1228 MHz
-
Boost Clock
1252 MHz
1300 MHz
Memory Clock
1002 MHz
Memory
8GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
83.20GB/s
Bandwidth
32.06GB/s
Render Config
-
SM Count
2
384
Shading Units
256
32
TMUs
16
16
ROPs
16
64 KB (per SMM)
L1 Cache
48 KB (per SM)
2 MB
L2 Cache
512 KB
Theoretical Performance
16.53 GPixel/s
Pixel Rate
20.03 GPixel/s
33.06 GTexel/s
Texture Rate
20.03 GTexel/s
-
FP16 (half)
10.02 GFLOPS
793.3 GFLOPS
FP32 (float)
641.0 GFLOPS
24.79 GFLOPS
FP64 (double)
20.03 GFLOPS
Board Design
50W
TDP
30W
250 W
Suggested PSU
200 W
No outputs
Outputs
3x mini-DisplayPort 1.4a
-
Power Connectors
None
Graphics Processor
GM107
GPU Name
GP107
-
GPU Variant
GP107-825-KA-A1
Maxwell
Architecture
Pascal
TSMC
Foundry
Samsung
28 nm
Process Size
14 nm
1.87 billion
Transistors
3.3 billion
148 mm²
Die Size
132 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
5.0
CUDA
6.1
5.1
Shader Model
6.4
