NVIDIA L40 vs NVIDIA GeForce RTX 4080 16 GB. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA L40 and NVIDIA GeForce RTX 4080 16 GB, chip, information processing units.

• GPU Chip
  AD102 AD103
• Execution units
  18176 9728
• Render Output Units
  192 112
• Texture Units
  568 304
• L1 Cache
  128 KB 128 KB
• L2 Cache
  96 MB 64 MB

Comparison of the amount of memory on board graphics cards. The more the better.

• Memory Size
  48 GB 16 GB
• Memory Type
  GDDR6 GDDR6X
• Memory Clock
  2.25 GHz 1.4 GHz
• Memory Speed
  18 Gbps 22.4 Gbps
• Memory Bandwith
  864.0 GB/s 716.8 GB/s
• Memory Interface
  384 bit 256 bit

Let's compare the memory frequency of graphics cards NVIDIA L40 and NVIDIA GeForce RTX 4080 16 GB. The higher the better.

• Base Clock
  0.735 GHz 2.205 GHz
• Boost Clock
  2.49 GHz 2.505 GHz

Connectors, the number of thermal watts emitted in normal mode and at overclocking.

• TDP
  300 W 320 W
• Power Connectors
  1x 16-pin 1x 16-pin
• Slot
  Dual-slot Triple-slot
• Suggested PSU
  700 W 700 W

Connectivity and connections.

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

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

• 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

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

• Length
  267 mm 310 mm
• Width
  111 mm 140 mm

Comparison of interfaces and release dates for GPU NVIDIA GeForce RTX 4080 16 GB and NVIDIA L40.

• 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 280.6 GPixel/s
• Texture Rate
  1.414 GTexel/s 761.5 GTexel/s
• FP16 (half)
  90.52 TFLOPS (1:1) 48.74 TFLOPS (1:1)
• FP32 (float)
  90.52 TFLOPS 48.74 TFLOPS
• FP64 (double)
  1.414 GFLOPS (1:64) 761.5 GFLOPS (1:64)