NVIDIA GeForce RTX 4080 16 GB vs NVIDIA A800 SXM4 80 GB. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA GeForce RTX 4080 16 GB and NVIDIA A800 SXM4 80 GB, chip, information processing units.

• GPU Chip
  AD103 GA100
• Execution units
  9728 6912
• Render Output Units
  112 160
• Texture Units
  304 432
• L1 Cache
  128 KB 192 KB
• L2 Cache
  64 MB 40 MB

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

• Memory Size
  16 GB 80 GB
• Memory Type
  GDDR6X HBM2e
• Memory Clock
  1.4 GHz 1.593 GHz
• Memory Bandwith
  716.8 GB/s 2.04 Gbps
• Memory Interface
  256 bit 5120 bit

Let's compare the memory frequency of graphics cards NVIDIA GeForce RTX 4080 16 GB and NVIDIA A800 SXM4 80 GB. The higher the better.

• Base Clock
  2.205 GHz 1.275 GHz
• Boost Clock
  2.505 GHz 1.41 GHz

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

• TDP
  320 W 400 W
• Power Connectors
  1x 16-pin No
• Slot
  Triple-slot IGP

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

• Max. resolution
  3840x2160 3840x2160
• DirectX
  12.2 12.2
• OpenCL
  3.0 3.0
• CUDA
  8.9 8.0

Comparison of interfaces and release dates for GPU NVIDIA A800 SXM4 80 GB and NVIDIA GeForce RTX 4080 16 GB.

• 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
  280.6 GPixel/s 225.6 GPixel/s
• Texture Rate
  761.5 GTexel/s 609.1 GTexel/s
• FP16 (half)
  48.74 TFLOPS (1:1) 77.97 TFLOPS (4:1)
• FP32 (float)
  48.74 TFLOPS 19.49 TFLOPS
• FP64 (double)
  761.5 GFLOPS (1:64) 9.746 TFLOPS (1:2)