NVIDIA L40G vs NVIDIA A800 PCIe 40 GB. Specifications, performance, tests

This section provides a detailed comparison of the fundamental technical specifications of the graphics cards NVIDIA L40G and NVIDIA A800 PCIe 40 GB. It provides essential details like the GPU architecture, the number of processing units, and other key features that significantly influence the overall performance of the cards across different applications, including gaming and professional tasks..

• GPU Chip
  AD102 GA100
• Execution units
  18176 6912
• Render Output Units
  192 160
• Texture Units
  568 432
• L1 Cache
  128 KB 192 KB
• L2 Cache
  48 MB 40 MB

This section provides a comparison of the memory configurations of NVIDIA L40G and NVIDIA A800 PCIe 40 GB. 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
  24 GB 40 GB
• Memory Type
  GDDR6 HBM2e
• Memory Clock
  2.25 GHz 1.215 GHz
• Memory Speed
  18 Gbps 2.4 Gbps
• Memory Bandwith
  864.0 GB/s 1,555 GB/s
• Memory Interface
  384 bit 5120 bit

This section focuses on comparing the clock speeds of NVIDIA L40G and NVIDIA A800 PCIe 40 GB. It covers both the base and boost clock speeds, which have a direct impact on GPU performance during demanding tasks. Higher clock speeds generally result in smoother frame rates in games and faster processing in compute-intensive applications..

• Base Clock
  1.005 GHz 0.765 GHz
• Boost Clock
  2.475 GHz 1.41 GHz

This section examines the thermal design of NVIDIA L40G and NVIDIA A800 PCIe 40 GB. It provides information on power consumption (in watts) and thermal output during normal use and overclocking. Effective thermal management is crucial for ensuring stable performance during extended gaming sessions or other intensive tasks..

• TDP
  300 W 250 W
• Power Connectors
  1x 16-pin 8-pin EPS
• Slot
  Dual-slot Dual-slot
• Suggested PSU
  700 W 600 W

This section compares the technical specifications of NVIDIA L40G and NVIDIA A800 PCIe 40 GB. 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
• CUDA
  8.9 8.0

This section compares the physical dimensions of NVIDIA L40G and NVIDIA A800 PCIe 40 GB. It covers the size, weight, and slot requirements, which are key factors in ensuring compatibility with your PC case, particularly for smaller or more compact setups..

• Length
  267 mm 267 mm
• Width
  111 mm 112 mm

This section provides additional information about NVIDIA L40G and NVIDIA A800 PCIe 40 GB. 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 Ampere
• GPU Interface
  PCIe 4.0 x16 PCIe 4.0 x16
• Structure size
  4 nm 7 nm
• Release date
  Q3/2022 Q3/2022

• Pixel Rate
  475.2 GPixel/s 225.6 GPixel/s
• Texture Rate
  1,406 GTexel/s 609.1 GTexel/s
• FP16 (half)
  89.97 TFLOPS (1:1) 77.97 TFLOPS (4:1)
• FP32 (float)
  89.97 TFLOPS 19.49 TFLOPS
• FP64 (double)
  1,406 GFLOPS (1:64) 9.746 TFLOPS (1:2)