NVIDIA Quadro P620 vs NVIDIA Quadro P400

NVIDIA Quadro P620
NVIDIA Quadro P400
512 Shaders
2GB GDDR5
1354MHz
256 Shaders
2GB GDDR5
1252MHz
Peak AI Performance
5.55 TOPS
INT8
Peak AI Performance
2.56 TOPS
INT8
FP32
1.39 TFLOPS
FP32
640 GFLOPS
FP16
20 GFLOPS
FP16
10 GFLOPS
Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
40W
TDP
30W
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-
-
-
-
-
-
-
-
-
GB6 Metal N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
GB6 Vulkan N/A
0%
GB5 OpenCL N/A
0%
GB5 OpenCL N/A
0%
GB5 CUDA N/A
0%
GB5 CUDA N/A
0%
GB5 Metal N/A
0%
GB5 Metal N/A
0%
GB5 Vulkan N/A
0%
GB5 Vulkan N/A
0%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal N/A
0%
OCT Metal N/A
0%
Peak AI Performance
5.55 TOPS
INT8
Peak AI Performance
2.56 TOPS
INT8
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FP16
20 GFLOPS
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-
-
-
FP16
10 GFLOPS
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-
-
-
FP32
1.39 TFLOPS
-
-
FP32
640 GFLOPS
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-
FP64
40 GFLOPS
-
FP64
20 GFLOPS
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INT8
5.55 TOPS
-
-
INT8
2.56 TOPS
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-
Pixel Fillrate
21.664 GPixel/s
Pixel Fillrate
20.032 GPixel/s
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-
-
-
Texture Fillrate
43.328 GTexel/s
Texture Fillrate
20.032 GTexel/s
Manufacturer
NVIDIA
Manufacturer
NVIDIA
Chip Designer
NVIDIA
Chip Designer
NVIDIA
Architecture
Pascal
Architecture
Pascal
Family
Quadro P
Family
Quadro P
Codename
NV137
GP107
Variant
GP107-875-KA-A1
Codename
NV137
GP107
Variant
GP107-825-KA-A1
Market Segment
Workstation
Market Segment
Workstation
Release Date
2/1/2018
Release Date
2/7/2017
Foundry
Samsung
-
Foundry
Samsung
-
Fabrication Node
14LPP
-
Fabrication Node
14LPP
-
Die Size
132 mm²
-
Die Size
132 mm²
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Transistor Count
3.3 Billion
-
Transistor Count
3.3 Billion
-
Transistor Density
25.00M/mm²
-
Transistor Density
25.00M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
512 Shaders
-
Shading Units
256 Shaders
-
Texture Mapping Units
32 TMUs
Texture Mapping Units
16 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
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-
-
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-
-
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-
Streaming Multiprocessors
4 SMs
Streaming Multiprocessors
2 SMs
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1266MHz Base
1354MHz
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1228MHz Base
1252MHz
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L1
-
48KB/SM
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-
L1
-
48KB/SM
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-
L2
768KB Shared
L2
512KB Shared
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-
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2GB
GDDR5
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2GB
GDDR5
-
Bus Width
128Bit
Bus Width
64Bit
Clock
1003MHz
Transfer Rate
4GT/s
Bandwidth
64.2GB/s
Clock
1003MHz
Transfer Rate
4GT/s
Bandwidth
32.1GB/s
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TDP
40W
TDP
30W
-
-
-
-
-
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-
-
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4x mini-DisplayPort 1.4
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4x mini-DisplayPort 1.4
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Max Resolution
7680x4320
Max Resolution
7680x4320
Max Resolution Refresh Rate
30Hz
Max Resolution Refresh Rate
30Hz
Variable Refresh Rate
G-Sync
FreeSync
-
Variable Refresh Rate
G-Sync
FreeSync
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
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-
-
-
Model
NVENC 4
Model
NVENC 4
Codec
-
-
-
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-
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-
AVC (H.264)
HEVC (H.265)
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-
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-
Codec
-
-
-
-
-
-
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-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
NVDEC 3
Model
NVDEC 3
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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VP9
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Direct X
12
Direct 3D
12_1
Direct X
12
Direct 3D
12_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
Shader Model
6.7
CUDA
6.1
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-
PureVideo HD
VP8
VDPAU
Feature Set H
Shader Model
6.7
CUDA
6.1
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-
PureVideo HD
VP8
VDPAU
Feature Set H
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1x Fan
-
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1x Fan
-
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Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
16
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Height
69 mm (2.72 in)
Width
150 mm (5.91 in)
Depth
20 mm (0.79 in)
Height
69 mm (2.72 in)
Width
150 mm (5.91 in)
Depth
20 mm (0.79 in)
Change Comparison