NVIDIA Quadro P400 vs NVIDIA Quadro K620M
We compared two Professional market GPUs: 2GB VRAM Quadro P400 and 2GB VRAM Quadro K620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro P400 's Advantages
Released 1 years and 11 months late
Boost Clock has increased by 11% (1252MHz vs 1124MHz)
Larger VRAM bandwidth (32.06GB/s vs 14.40GB/s)
NVIDIA Quadro K620M 's Advantages
128 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro P400
0.641 TFLOPS
Quadro K620M
+34%
0.863 TFLOPS
OctaneBench
Quadro P400
9
Quadro K620M
+100%
18
Graphics Card
Feb 2017
Release Date
Mar 2015
Quadro
Generation
Quadro Mobile
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
1228 MHz
Base Clock
1029 MHz
1252 MHz
Boost Clock
1124 MHz
1002 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
64bit
32.06GB/s
Bandwidth
14.40GB/s
Render Config
-
-
-
2
SM Count
-
256
Shading Units
384
16
TMUs
16
16
ROPs
8
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
20.03 GPixel/s
Pixel Rate
8.992 GPixel/s
20.03 GTexel/s
Texture Rate
17.98 GTexel/s
10.02 GFLOPS
FP16 (half)
-
641.0 GFLOPS
FP32 (float)
863.2 GFLOPS
20.03 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
30W
TDP
30W
200 W
Suggested PSU
-
3x mini-DisplayPort 1.4a
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GP107
GPU Name
GM108
GP107-825-KA-A1
GPU Variant
N15M-Q3
Pascal
Architecture
Maxwell
Samsung
Foundry
TSMC
14 nm
Process Size
28 nm
3.3 billion
Transistors
Unknown
132 mm²
Die Size
Unknown
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
6.1
CUDA
5.0
6.4
Shader Model
5.1
