Tesla K80 vs Tesla P4

Tesla K80
Tesla P4
2x 2496 Shaders
2x 12GB GDDR5
875MHz
2560 Shaders
8GB GDDR5
1063MHz
FP32
8.74 TFLOPS
FP32
5.44 TFLOPS
-
-
FP16
0.09 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
300W
TDP
75W
Power Connectors
-
1x 8-Pin
-
-
-
-
-
-
-
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%
Manufacturer
NVIDIA
Manufacturer
NVIDIA
Chip Designer
NVIDIA
Chip Designer
NVIDIA
Architecture
Kepler 2
Architecture
Pascal
Family
Tesla K
Family
Tesla P
Codename
NV100
GK210
-
-
Codename
NV134
GP104
Variant
GP104-895-A1
Market Segment
Server
Market Segment
Server
Release Date
11/17/2014
Release Date
9/13/2016
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
16FF
-
Die Size
2x 561 mm²
-
Die Size
314 mm²
-
Transistor Count
2x 7.1 Billion
-
Transistor Count
7.2 Billion
-
Transistor Density
12.62M/mm²
-
Transistor Density
22.93M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
2x 2496 Shaders
-
Shading Units
2560 Shaders
-
Texture Mapping Units
2x 208 TMUs
Texture Mapping Units
160 TMUs
Render Output Units
2x 40 ROPs
Render Output Units
64 ROPs
-
-
-
-
-
-
-
-
Streaming Multiprocessors
2x 13 SMs
Streaming Multiprocessors
20 SMs
-
-
-
-
-
-
-
-
-
-
-
-
-
-
560MHz Base
875MHz
-
-
810MHz Base
1063MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
FP16
0.09 TFLOPS
-
-
-
-
-
-
-
FP32
8.74 TFLOPS
FP32
5.44 TFLOPS
-
-
-
-
FP64
2.91 TFLOPS
-
FP64
0.17 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
35 GPixel/s
Pixel Fillrate
68.032 GPixel/s
-
-
-
-
Texture Fillrate
182 GTexel/s
Texture Fillrate
170.08 GTexel/s
-
-
-
-
L1
48KB/SM Tex
16KB/SM
-
-
L1
-
48KB/SM
-
-
L2
1.5MB Shared
L2
2MB Shared
-
-
-
-
-
-
2x 12GB
GDDR5
-
8GB
GDDR5
-
Bus Width
384Bit
Bus Width
256Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
240GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
192GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
300W
TDP
75W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
Max Resolution
Unknown
Max Resolution
Unknown
Max Resolution Refresh Rate
-
Max Resolution Refresh Rate
-
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
Unknown
Multi Monitor Support
Unknown
-
-
-
-
Model
NVENC 1
Model
NVENC 4
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
NVDEC 1
Model
NVDEC 3
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
12_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
Shader Model
6.5
CUDA
3.7
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.7
CUDA
6.1
-
-
PureVideo HD
VP8
VDPAU
Feature Set H
-
-
-
-
-
-
-
-
Power Connectors
-
-
-
1x 8-Pin
-
-
-
-
-
-
-
-
-
-
-
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
-
-
Multi GPU Support
Supported
-
-
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
Height
69 mm (2.72 in)
Width
168 mm (6.61 in)
Depth
20 mm (0.79 in)
Change Results