Tesla K40 vs Radeon Sky 900

Tesla K40
Radeon Sky 900
2880 Shaders
12GB GDDR5
617MHz
2x 1792 Shaders
2x 3GB GDDR5
950MHz
FP32
3.56 TFLOPS
FP32
6.81 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
235W
TDP
300W
Power Connectors
1x 6-Pin
1x 8-Pin
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Power Connectors
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2x 8-Pin
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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
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Kepler
Architecture
GCN 1
Family
Tesla K
Family
Radeon Sky
Codename
NVF0
GK180
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Codename
Tahiti
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Variant
Tahiti Pro GL
Market Segment
Server
Market Segment
Server
Release Date
11/22/2013
Release Date
4/1/2013
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
28nm
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Die Size
561 mm²
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Die Size
2x 352 mm²
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Transistor Count
7.1 Billion
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Transistor Count
2x 4.3 Billion
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Transistor Density
12.62M/mm²
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Transistor Density
12.25M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2880 Shaders
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Shading Units
2x 1792 Shaders
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Texture Mapping Units
240 TMUs
Texture Mapping Units
2x 112 TMUs
Render Output Units
48 ROPs
Render Output Units
2x 32 ROPs
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Streaming Multiprocessors
15 SMs
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Compute Units
2x 28 CUs
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575MHz Base
617MHz
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825MHz Base
950MHz
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FP32
3.56 TFLOPS
FP32
6.81 TFLOPS
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FP64
1.19 TFLOPS
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FP64
1.7 TFLOPS
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Pixel Fillrate
29.633 GPixel/s
Pixel Fillrate
30.4 GPixel/s
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Texture Fillrate
148.164 GTexel/s
Texture Fillrate
106.4 GTexel/s
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L1
48KB/SM Tex
16KB/SM
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L1
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16KB/CU
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L2
1.5MB Shared
L2
768KB Shared
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12GB
GDDR5
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2x 3GB
GDDR5
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Bus Width
384Bit
Bus Width
384Bit
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
288GB/s
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
240GB/s
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TDP
235W
TDP
300W
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No Ports
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1x DVI-I Dual-Link
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1x mini-DisplayPort 1.2
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Max Resolution
Unknown
Max Resolution
4096x2160
Max Resolution Refresh Rate
-
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
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Variable Refresh Rate
-
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
Unknown
Multi Monitor Support
4
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Model
NVENC 1
Model
VCE 1.0
Codec
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AVC (H.264)
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Codec
-
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AVC (H.264)
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Model
NVDEC 1
Model
UVD 3.2
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
CUDA
3.5
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PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.5
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GFX
6
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Power Connectors
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1x 6-Pin
1x 8-Pin
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Power Connectors
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2x 8-Pin
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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
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Multi GPU Support
Supported
Type
CrossFire XDMA
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
305 mm (12.01 in)
Depth
37 mm (1.46 in)
Change Results