NVIDIA L40 vs NVIDIA L40G. Specifications

Comparison of basic technical data of graphics cards NVIDIA L40 and NVIDIA L40G, chip, information processing units.

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

Video memory capacity, type, bus width and bandwidth describe different properties. These values alone do not determine graphics performance.

• Memory Bandwidth
  864 GB/s 864 GB/s
• Memory Bus
  384 bit 384 bit
• Memory Clock
  2250 MHz 2250 MHz
• Memory Data Rate
  18 Gbps 18 Gbps
• Memory Size
  48 GB 24 GB
• Memory Type
  GDDR6 GDDR6

Published GPU clock frequencies describe different operating modes. Clock speed alone does not determine graphics performance.

• Base Clock
  735 MHz 1005 MHz
• Boost Clock
  2490 MHz 2475 MHz

Graphics card power limits and recommended system power supply describe different specifications.

• System Power Supply
  700 W (PSU recommendation) 700 W (PSU recommendation)
• TDP
  300 W 300 W

Connectivity and connections.

• DisplayPort Ports
  4 × DisplayPort 1.4a 3 × DisplayPort 1.4a
• Max. Displays
  4 4
• PCIe Interface
  PCIe 4.0 x16 PCIe 4.0 x16
• Power Connectors
  1x 16-pin 1x 16-pin
• HDMI Ports
  - 1 × HDMI 2.1

Technical data that is used to its full potential in computer games.

• CUDA
  8.9 8.9
• DirectX
  12.2 12.2
• Max. resolution
  3840 × 2160 3840 × 2160
• OpenCL
  3.0 3.0
• OpenGL
  4.6 4.6
• Shader Model
  6.7 6.7
• Vulkan
  1.3 1.3

The difference in size, weight and slot of the compared devices

• Length
  267 mm 267 mm
• Slot Size
  Dual-slot Dual-slot
• Width
  111 mm 111 mm

Comparison of interfaces and release dates for GPU NVIDIA L40G and NVIDIA L40.

• Process Technology
  4 nm 4 nm
• Release date
  Q3/2022 Q3/2022

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