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

Comparison of basic technical data of graphics cards NVIDIA L40G and NVIDIA A800 PCIe 40 GB, chip, information processing units.

• 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

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

• 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

Let's compare the memory frequency of graphics cards NVIDIA L40G and NVIDIA A800 PCIe 40 GB. The higher the better.

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

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

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

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
• CUDA
  8.9 8.0

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

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

Comparison of interfaces and release dates for GPU NVIDIA A800 PCIe 40 GB and NVIDIA L40G.

• 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)