NVIDIA H100 SXM5 vs AMD Radeon Pro W6400. Specifications

Comparison of basic technical data of graphics cards NVIDIA H100 SXM5 and AMD Radeon Pro W6400, chip, information processing units.

• Architecture
  Hopper -
• Execution Units
  8448 12
• GPU Chip
  GH100 Navi 24 XL-W
• L1 Cache
  192 KB -
• L2 Cache
  50 MB -
• Render Output Units
  24 32
• Texture Units
  528 48
• Based on
  - AMD Radeon PRO
• Shader
  - 768

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

• Memory Bandwidth
  1,920 GB/s 112 GB/s
• Memory Bus
  5120 bit 64 bit
• Memory Clock
  1500 MHz -
• Memory Data Rate
  3 Gbps -
• Memory Size
  80 GB 4 GB
• Memory Type
  HBM3 GDDR6
• Memory Speed (legacy frequency label)
  - 1750 MHz

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

• Base Clock
  1065 MHz 2330 MHz
• Boost Clock
  1780 MHz 2330 MHz
• Overclocking
  - No

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

• Board Number
  PG520 -
• System Power Supply
  1100 W (PSU recommendation) -
• TDP
  700 W 50 W

Connectivity and connections.

• Max. Displays
  1 -
• PCIe Interface
  PCIe 5.0 x16 -
• Power Connectors
  8-pin EPS No
• DisplayPort Ports
  - 2 × DisplayPort 1.4a

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

• CUDA
  9.0 -
• DirectX
  No 12_2
• Max. resolution
  3840x2160@60Hz 7680 × 4320
• OpenCL
  3.0 2.2
• OpenGL
  No 4.6
• Shader Model
  No 6.6
• Vulkan
  No 1.3

Comparison of interfaces and release dates for GPU AMD Radeon Pro W6400 and NVIDIA H100 SXM5.

• Process Technology
  4 nm -
• Release date
  Q2/2022 -

• FP16 (theoretical)
  120.3 TFLOPS -
• FP32 (theoretical)
  30.07 TFLOPS -
• FP64 (theoretical)
  15.04 TFLOPS -
• Pixel Rate
  42.72 GPixel/s -
• Texture Rate
  939.8 GTexel/s -