NVIDIA A800 PCIe 80 GB vs AMD Radeon Pro W6400. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA A800 PCIe 80 GB and AMD Radeon Pro W6400, chip, information processing units.

• Architecture
  Ampere -
• Execution Units
  6912 12
• GPU Chip
  GA100 Navi 24 XL-W
• L1 Cache
  192 KB -
• L2 Cache
  80 MB -
• Render Output Units
  160 32
• Texture Units
  432 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
  1,935 GB/s 112 GB/s
• Memory Bus
  5120 bit 64 bit
• Memory Clock
  1512 MHz -
• Memory Data Rate
  3 Gbps -
• Memory Size
  80 GB 4 GB
• Memory Type
  HBM2e 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
  1410 MHz 2330 MHz
• Overclocking
  - No

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

• System Power Supply
  600 W (PSU recommendation) -
• TDP
  250 W 50 W

Connectivity and connections.

• PCIe Interface
  PCIe 4.0 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
  8.0 -
• DirectX
  12.2 12_2
• Max. resolution
  3840 × 2160 7680 × 4320
• OpenCL
  3.0 2.2
• OpenGL
  4.6 4.6
• Shader Model
  - 6.6
• Vulkan
  - 1.3

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

• Length
  267 mm -
• Slot Size
  Dual-slot -
• Width
  112 mm -

Comparison of interfaces and release dates for GPU AMD Radeon Pro W6400 and NVIDIA A800 PCIe 80 GB.

• Process Technology
  7 nm -
• Release date
  Q3/2022 -

• FP16 (theoretical)
  77.97 TFLOPS (4:1) -
• FP32 (theoretical)
  19.49 TFLOPS -
• FP64 (theoretical)
  9.746 TFLOPS (1:2) -
• Pixel Rate
  225.6 GPixel/s -
• Texture Rate
  609.1 GTexel/s -