NVIDIA L40 vs NVIDIA A40

NVIDIA L40
NVIDIA A40
18176 Shaders
48GB GDDR6
2490MHz
10752 Shaders
48GB GDDR6
1740MHz
Peak AI Performance
2.9 POPS
INT4 Tensor Sparse
Peak AI Performance
1.2 POPS
INT4 Tensor Sparse
FP32
90.52 TFLOPS
FP32
37.42 TFLOPS
FP16
90.52 TFLOPS
FP16
37.42 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
300W
TDP
300W
Power Connectors
-
-
-
1x 16-Pin 12VHPWR
Power Connectors
-
-
-
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GB6 Metal N/A
0%
GB6 Metal 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
2.9 POPS
INT4 Tensor Sparse
Peak AI Performance
1.2 POPS
INT4 Tensor Sparse
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FP8
-
724.13 TFLOPS Tensor (FP16 Accumulate)
1.45 PFLOPS Tensor (FP16 Accumulate) Sparse
724.13 TFLOPS Tensor (FP32 Accumulate)
1.45 PFLOPS Tensor (FP32 Accumulate) Sparse
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-
-
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FP16
90.52 TFLOPS
362.07 TFLOPS Tensor (FP16 Accumulate)
724.13 TFLOPS Tensor (FP16 Accumulate) Sparse
362.07 TFLOPS Tensor (FP32 Accumulate)
724.13 TFLOPS Tensor (FP32 Accumulate) Sparse
FP16
37.42 TFLOPS
149.67 TFLOPS Tensor (FP16 Accumulate)
299.34 TFLOPS Tensor (FP16 Accumulate) Sparse
149.67 TFLOPS Tensor (FP32 Accumulate)
299.34 TFLOPS Tensor (FP32 Accumulate) Sparse
FP32
90.52 TFLOPS
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-
FP32
37.42 TFLOPS
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-
FP64
1.41 TFLOPS
-
FP64
590 GFLOPS
-
BF16
90.52 TFLOPS
362.07 TFLOPS Tensor
724.13 TFLOPS Tensor Sparse
BF16
37.42 TFLOPS
149.67 TFLOPS Tensor
299.34 TFLOPS Tensor Sparse
TF32
181.03 TFLOPS Tensor
362.07 TFLOPS Tensor Sparse
TF32
74.83 TFLOPS Tensor
149.67 TFLOPS Tensor Sparse
INT4
1.45 POPS Tensor
2.9 POPS Tensor Sparse
INT4
598.67 TOPS Tensor
1.2 POPS Tensor Sparse
INT8
-
724.13 TOPS Tensor
1.45 POPS Tensor Sparse
INT8
-
299.34 TOPS Tensor
598.67 TOPS Tensor Sparse
INT32
45.26 TOPS
INT32
18.71 TOPS
Ray Tracing
209.2 TOPS
Ray Tracing
73.1 TOPS
Pixel Fillrate
478.08 GPixel/s
Pixel Fillrate
194.88 GPixel/s
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Texture Fillrate
1414.32 GTexel/s
Texture Fillrate
584.64 GTexel/s
Manufacturer
NVIDIA
Manufacturer
NVIDIA
Chip Designer
NVIDIA
Chip Designer
NVIDIA
Architecture
Ada Lovelace
Architecture
Ampere
Family
Server
Family
Server
Codename
NV182
AD102
Variant
AD102-895-A1
Codename
NV172
GA102
Variant
GA102-895-A1
Market Segment
Server
Market Segment
Server
Release Date
10/13/2022
Release Date
10/5/2020
Foundry
TSMC
-
Foundry
Samsung
-
Fabrication Node
4N
-
Fabrication Node
8N
-
Die Size
608 mm²
-
Die Size
628 mm²
-
Transistor Count
76.3 Billion
-
Transistor Count
28.3 Billion
-
Transistor Density
125.41M/mm²
-
Transistor Density
45.04M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
18176 Shaders
-
Shading Units
10752 Shaders
-
Texture Mapping Units
568 TMUs
Texture Mapping Units
336 TMUs
Render Output Units
192 ROPs
Render Output Units
112 ROPs
Tensor Cores
568 T-Cores
Tensor Cores
336 T-Cores
Ray-Tracing Cores
142 RT-Cores
Ray-Tracing Cores
84 RT-Cores
Streaming Multiprocessors
142 SMs
Streaming Multiprocessors
84 SMs
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Graphics Processing Clusters
12 GPCs
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-
-
-
735MHz Base
2490MHz
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-
1305MHz Base
1740MHz
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-
-
-
L1
64KB/SM Tex
128KB/SM
-
-
L1
64KB/SM Tex
128KB/SM
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-
L2
96MB Shared
L2
6MB Shared
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48GB
GDDR6
-
48GB
GDDR6
-
Bus Width
384Bit
Bus Width
384Bit
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
864GB/s
Clock
906MHz
Transfer Rate
7.2GT/s
Bandwidth
347.9GB/s
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TDP
300W
TDP
300W
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-
-
-
-
-
-
-
-
-
-
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-
-
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4x DisplayPort 1.4
-
-
-
-
-
-
-
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-
-
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3x DisplayPort 1.3
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
Max Resolution
7680x4320
Max Resolution
7680x4320
Max Resolution Refresh Rate
120Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
-
Variable Refresh Rate
G-Sync
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
4
Multi Monitor Support
3
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
2x NVENC 8
Model
NVENC 7
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
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AV1
-
-
Codec
-
-
-
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-
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AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
NVDEC 5
Model
NVDEC 5
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
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AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Direct X
12
Direct 3D
12_3
Direct X
12
Direct 3D
12_2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
6.7
CUDA
8.9
-
-
PureVideo HD
VP12
VDPAU
Feature Set L
Shader Model
6.6
CUDA
8.6
-
-
PureVideo HD
VP11
VDPAU
Feature Set K
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Power Connectors
-
-
-
-
-
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1x 16-Pin 12VHPWR
Power Connectors
-
-
-
-
1x 8-Pin EPS
-
-
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
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-
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Multi GPU Support
Supported
Type
NVLink
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
Height
112 mm (4.41 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
Change Comparison