NVIDIA Tesla K20 Server vs NVIDIA Tesla K80
NVIDIA Tesla K20 Server
$3,199
NVIDIA Tesla K80
|
2496 Shaders
5GB GDDR5
758MHz
|
2x 2496 Shaders
24GB (2x 12GB) GDDR5
875MHz
|
|
Peak AI Performance
3.78 TOPS
INT32
|
Peak AI Performance
8.74 TOPS
INT32
|
|
FP32
3.78 TFLOPS
|
FP32
8.74 TFLOPS
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
225W
|
TDP
300W
|
|
Power Connectors
1x 6-Pin
1x 8-Pin
|
Power Connectors
-
1x 8-Pin
|
Peak AI Performance
|
|
Tesla K20 Server - 3.78 TOPS INT32
x1
Tesla K80 - 8.74 TOPS INT32
x2.31
FP32
|
|
Tesla K20 Server - 3.78 TFLOPS FP32
x1
Tesla K80 - 8.74 TFLOPS FP32
x2.31
|
|
Tesla K20 Server - 208GB/s
x1
Tesla K80 - 240GB/s
x1.15
|
|
Tesla K20 Server - 225W
x1
Tesla K80 - 300W
x1.33
|
Manufacturer
NVIDIA
|
Manufacturer
NVIDIA
|
|
Chip Designer
NVIDIA
|
Chip Designer
NVIDIA
|
|
Architecture
Kepler
|
Architecture
Kepler 2
|
|
Family
Tesla K
|
Family
Tesla K
|
|
Codename
NVF0
GK110
Variant
GK110-885-KA-A1
|
Codename
NV100
GK210
-
-
|
|
Market Segment
Server
|
Market Segment
Server
|
|
Release Date
1/5/2013
|
Release Date
11/17/2014
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
28nm
|
|
Die Size
561 mm²
|
Die Size
2x 561 mm²
|
|
Transistor Count
7.1 Billion
|
Transistor Count
2x 7.1 Billion
|
|
Transistor Density
12.62M/mm²
|
Transistor Density
12.62M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
2496 Shaders
|
Shading Units
2x 2496 Shaders
|
|
Texture Mapping Units
208 TMUs
|
Texture Mapping Units
2x 208 TMUs
|
|
Render Output Units
40 ROPs
|
Render Output Units
2x 40 ROPs
|
|
Streaming Multiprocessors
13 SMs
|
Streaming Multiprocessors
2x 13 SMs
|
|
706MHz Base
758MHz
|
560MHz Base
875MHz
|
|
Peak AI Performance
3.78 TOPS
INT32
|
Peak AI Performance
8.74 TOPS
INT32
|
|
FP32
3.78 TFLOPS
|
FP32
8.74 TFLOPS
|
|
FP64
1.26 TFLOPS
|
FP64
2.91 TFLOPS
|
|
INT32
3.78 TOPS
|
INT32
8.74 TOPS
|
|
Pixel Fillrate
30.32 GPixel/s
|
Pixel Fillrate
35 GPixel/s
|
|
Texture Fillrate
157.664 GTexel/s
|
Texture Fillrate
182 GTexel/s
|
|
L1
48KB/SM Tex
16KB/SM
|
L1
48KB/SM Tex
16KB/SM
|
|
L2
1.5MB Shared
|
L2
1.5MB Shared
|
|
5GB
GDDR5
|
24GB (2x 12GB)
GDDR5
|
|
Bus Width
320Bit
|
Bus Width
384Bit
|
|
Clock
1300MHz
Transfer Rate
5.2GT/s
Bandwidth
208GB/s
|
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
240GB/s
|
|
TDP
225W
|
TDP
300W
|
|
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 1
|
|
Codec
AVC (H.264)
|
Codec
AVC (H.264)
|
|
Model
NVDEC 1
|
Model
NVDEC 1
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
|
Direct X
12
Direct 3D
11_0
|
Direct X
12
Direct 3D
11_0
|
|
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
|
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
|
|
Shader Model
6.5
CUDA
3.5
PureVideo HD
VP5
VDPAU
Feature Set D
|
Shader Model
6.5
CUDA
3.7
PureVideo HD
VP5
VDPAU
Feature Set D
|
|
Power Connectors
1x 6-Pin
1x 8-Pin
|
Power Connectors
-
1x 8-Pin
|
|
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
|
Slots Required
2.0
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
39 mm (1.54 in)
|
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
|
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