NVIDIA H100 PCIe vs AMD Radeon RX 6650 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA H100 PCIe and AMD Radeon RX 6650 XT, chip, information processing units.

• GPU Chip
  GH100 Navi 23 KXT
• Execution units
  7296 32
• Render Output Units
  24 64
• Texture Units
  456 128

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

• Memory Size
  80 GB 8 GB
• Memory Type
  HBM2e GDDR6
• Memory Clock
  1 GHz 2.19 GHz
• Memory Speed
  2 Gbps 17.5 Gbps
• Memory Bandwith
  1,280 GB/s 280 GB/s
• Memory Interface
  5120 bit 128 bit

Let's compare the memory frequency of graphics cards NVIDIA H100 PCIe and AMD Radeon RX 6650 XT. The higher the better.

• Base Clock
  1.065 GHz 2.055 GHz
• Boost Clock
  1.65 GHz 2.635 GHz

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

• TDP
  350 W 176 W
• Power Connectors
  8-pin EPS 1x 8-pin
• Suggested PSU
  750 W 450 W

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

• Max. Displays
  1 4
• DirectX
  No 12.2
• OpenGL
  No 4.6
• OpenCL
  3.0 2.1
• Vulkan
  No 1.3
• Shader Model
  No 6.5

Comparison of interfaces and release dates for GPU AMD Radeon RX 6650 XT and NVIDIA H100 PCIe.

• Architecture
  Hopper RDNA 2
• GPU Interface
  PCIe 5.0 x16 PCIe 4.0 x 8
• Structure size
  4 nm 7 nm
• Release date
  Q2/2022 Q2/2022

• Pixel Rate
  39.60 GPixel/s 168.6 GPixel/s
• Texture Rate
  752.4 GTexel/s 337.3 GTexel/s
• FP16 (half)
  96.31 TFLOPS 21.59 TFLOPS
• FP32 (float)
  24.08 TFLOPS 10.79 TFLOPS
• FP64 (double)
  12.04 TFLOPS 674.6 GFLOPS