NVIDIA L40 vs NVIDIA L40G. Specifications, performance, tests

This section provides a detailed comparison of the fundamental technical specifications of the graphics cards NVIDIA L40 and NVIDIA L40G. It includes key information such as the GPU chip architecture, the number of processing units, and other core features that directly impact the overall performance of the cards in various applications, including gaming and professional workloads.

• GPU Chip
  AD102 AD102
• Execution units
  18176 18176
• Render Output Units
  192 192
• Texture Units
  568 568
• L1 Cache
  128 KB 128 KB
• L2 Cache
  96 MB 48 MB
• RT Cores
  142 142

This section provides a comparison of the memory configurations of NVIDIA L40 and NVIDIA L40G. It includes details such as the memory size, type (e.g., GDDR6, HBM2), and bandwidth, which are key factors that determine how efficiently the card handles large textures, data sets, and high-resolution tasks.Larger memory sizes are typically beneficial for demanding applications like 4K gaming and video editing.

• Memory Size
  48 GB 24 GB
• Memory Type
  GDDR6 GDDR6
• Memory Clock
  2.25 GHz 2.25 GHz
• Memory Speed
  18 Gbps 18 Gbps
• Memory Bandwith
  864.0 GB/s 864.0 GB/s
• Memory Interface
  384 bit 384 bit

This section focuses on comparing the clock speeds of NVIDIA L40 and NVIDIA L40G. It includes both the base and boost clock speeds, which directly influence the performance of the GPU during intensive tasks. Faster clock speeds typically translate to higher frame rates in games and quicker processing in compute-heavy applications.

• Base Clock
  0.735 GHz 1.005 GHz
• Boost Clock
  2.49 GHz 2.475 GHz

This section examines the thermal design of NVIDIA L40 and NVIDIA L40G. It includes details such as power consumption (in watts) and thermal output during regular operation and overclocking. Efficient thermal management is essential for maintaining stable performance during long gaming sessions or other demanding tasks.

• TDP
  300 W 300 W
• Power Connectors
  1x 16-pin 1x 16-pin
• Slot
  Dual-slot Dual-slot
• Suggested PSU
  700 W 700 W

This section compares the connectivity options available on NVIDIA L40 and NVIDIA L40G. These include the number and type of ports like HDMI, DisplayPort, and others that are essential for connecting displays and external devices.This information helps determine which card offers more versatile or modern connectivity options.

• Max. Displays
  4 4
• DP Ports
  4x DisplayPort 1.4a 3x DisplayPort 1.4a

This section compares the technical specifications of NVIDIA L40 and NVIDIA L40G. It highlights key features such as API support for DirectX, OpenGL, and Vulkan, which are crucial for running modern games and applications efficiently.These specifications ensure compatibility and optimal performance across a wide range of software environments.

• Max. resolution
  3840x2160 3840x2160
• DirectX
  12.2 12.2
• OpenGL
  4.6 4.6
• OpenCL
  3.0 3.0
• Vulkan
  1.3 1.3
• CUDA
  8.9 8.9
• Shader Model
  6.7 6.7

This section compares the physical dimensions of NVIDIA L40 and NVIDIA L40G. It includes the size, weight, and slot requirements, which are important considerations for ensuring compatibility with your PC case, especially in smaller or more compact builds.

• Length
  267 mm 267 mm
• Width
  111 mm 111 mm

This section provides additional information about NVIDIA L40 and NVIDIA L40G. It covers aspects such as release dates, interface compatibility, and other unique features that might not be covered in other sections.This helps users make a more informed decision about the suitability of each card for their specific use case.

• Architecture
  Ada Lovelace Ada Lovelace
• GPU Interface
  PCIe 4.0 x16 PCIe 4.0 x16
• Structure size
  4 nm 4 nm
• Release date
  Q3/2022 Q3/2022

• Pixel Rate
  478.1 GPixel/s 475.2 GPixel/s
• Texture Rate
  1.414 GTexel/s 1,406 GTexel/s
• FP16 (half)
  90.52 TFLOPS (1:1) 89.97 TFLOPS (1:1)
• FP32 (float)
  90.52 TFLOPS 89.97 TFLOPS
• FP64 (double)
  1.414 GFLOPS (1:64) 1,406 GFLOPS (1:64)