NVIDIA A800 SXM4 80 GB vs NVIDIA A800 PCIe 40 GB. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA A800 SXM4 80 GB and NVIDIA A800 PCIe 40 GB, chip, information processing units.

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

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

• Memory Size
  80 GB 40 GB
• Memory Type
  HBM2e HBM2e
• Memory Clock
  1.593 GHz 1.215 GHz
• Memory Bandwith
  2.04 Gbps 1,555 GB/s
• Memory Interface
  5120 bit 5120 bit

Let's compare the memory frequency of graphics cards NVIDIA A800 SXM4 80 GB and NVIDIA A800 PCIe 40 GB. The higher the better.

• Base Clock
  1.275 GHz 0.765 GHz
• Boost Clock
  1.41 GHz 1.41 GHz

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

• TDP
  400 W 250 W
• Power Connectors
  No 8-pin EPS
• Slot
  IGP Dual-slot

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
  8.0 8.0

Comparison of interfaces and release dates for GPU NVIDIA A800 PCIe 40 GB and NVIDIA A800 SXM4 80 GB.

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

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