Nvidia A40 PCIe vs Nvidia L40

Comparison of the technical characteristics between the graphics cards, with Nvidia A40 PCIe on one side and Nvidia L40 on the other side, also their respective performances with the benchmarks. The first is dedicated to the desktop sector, it has 10752 shading units, a maximum frequency of 1.7 GHz, its lithography is 8 nm. The second is used on the desktop segment, it includes 18176 shading units, a maximum frequency of 2.5 GHz, its lithography is 5 nm. The following table also compares the boost clock, the number of shading units (if indicated), of execution units, the amount of cache memory, the maximum memory capacity, the memory bus width, the release date, the number of PCIe lanes, the values ​​obtained in various benchmarks.

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Specification comparison:

Graphics card		Nvidia A40 PCIe				Nvidia L40
Market (main)		Desktop				Desktop
Release date		Q4 2020				Q4 2022
Model number		A40 PCIe				AD102-895-A1, TCSL40PCIE-PB
GPU name		GA102				AD102
Architecture		Ampere				Ada Lovelace
Generation		Tesla Axx				Tesla Ada Lxx
Lithography		8 nm				5 nm
Transistors		28,300,000,000				76,300,000,000
Bus interface		PCIe 4.0 x16				PCIe 4.0 x16
GPU base clock		1,305 MHz				735 MHz
GPU boost clock		1,740 MHz				2,490 MHz
Memory frequency		1,812 MHz				2,250 MHz
Effective memory speed		14.5 Gbps				18 Gbps
Memory size		48 GB				48 GB
Memory type		GDDR6				GDDR6
Memory bus		384 bit				384 bit
Memory bandwidth		695.8 GB/s				864.0 GB/s
TDP		300 W				300 W
Suggested PSU		750W ATX Power Supply				750W ATX Power Supply
Multicard technology		NVLink				-
Dimensions		-				267 mm
Cores (compute units, SM, SMX)		84				142
Shading units (cuda cores)		10,752				18,176
TMUs		336				568
ROPs		112				192
Tensor cores		336				568
RT cores		84				142
Cache memory		6 MB				96 MB
Pixel fillrate		194.9 GP/s				478.1 GP/s
Texture fillrate		584.6 GT/s				1,414.3 GT/s
Performance FP16 (half)		37.4 TFLOPS				90.5 TFLOPS
Performance FP32 (float)		37.4 TFLOPS				90.5 TFLOPS
Performance FP64 (double)		584.6 GFLOPS				1.4 TFLOPS
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We can better compare what are the technical differences between the two graphics cards.

Performance comparison with the benchmarks:

Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench.

	FP32 Performance in GFLOPS
Nvidia L40	90,517
Nvidia A40 PCIe	37,417

The difference is 142%.

Note: Commissions may be earned from the links above. These scores are only an
average of the performances got with these graphics cards, you may get different results.

Single-precision floating-point format, also called FP32, is a computer number format that typically occupies 32 bits in PC memory. This represents a wide dynamic range of numeric values that employs a floating point. FP32 power helps assess the video card's capabilities for generating rendering workloads. Video games use INT32 and FP32 cores to manage calculations with integers and numbers with decimals in order to produce maps, bone matrices on which the vertex shaders will calculate the vertices. Values in single precision format are mainly used in video games and 3D software.

See also:

Nvidia L4Nvidia L40 CNXNvidia L40GNvidia L40S

Equivalence:

Nvidia A40 PCIe AMD EquivalentNvidia L40 AMD Equivalent

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