NVIDIA A800 SXM4 80 GB vs NVIDIA H100 SXM5. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA A800 SXM4 80 GB and NVIDIA H100 SXM5, chip, information processing units.

• GPU Chip
  GA100 GH100
• Execution units
  6912 8448
• Render Output Units
  160 24
• Texture Units
  432 528
• L1 Cache
  192 KB 192 KB
• L2 Cache
  40 MB 50 MB

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

• Memory Size
  80 GB 80 GB
• Memory Type
  HBM2e HBM3
• Memory Clock
  1.593 GHz 1.5 GHz
• Memory Bandwith
  2.04 Gbps 1,920 GB/s
• Memory Interface
  5120 bit 5120 bit

Let's compare the memory frequency of graphics cards NVIDIA A800 SXM4 80 GB and NVIDIA H100 SXM5. The higher the better.

• Base Clock
  1.275 GHz 1.065 GHz
• Boost Clock
  1.41 GHz 1.78 GHz

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

• TDP
  400 W 700 W
• Power Connectors
  No 8-pin EPS

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

• Max. Displays
  1 1
• Max. resolution
  3840x2160 3840x2160@60Hz
• DirectX
  12.2 No
• OpenCL
  3.0 3.0
• CUDA
  8.0 9.0

Comparison of interfaces and release dates for GPU NVIDIA H100 SXM5 and NVIDIA A800 SXM4 80 GB.

• Architecture
  Ampere Hopper
• GPU Interface
  PCIe 4.0 x16 PCIe 5.0 x16
• Structure size
  7 nm 4 nm
• Release date
  Q3/2022 Q2/2022

• Pixel Rate
  225.6 GPixel/s 42.72 GPixel/s
• Texture Rate
  609.1 GTexel/s 939.8 GTexel/s
• FP16 (half)
  77.97 TFLOPS (4:1) 120.3 TFLOPS
• FP32 (float)
  19.49 TFLOPS 30.07 TFLOPS
• FP64 (double)
  9.746 TFLOPS (1:2) 15.04 TFLOPS