NVIDIA GeForce RTX 4080 16 GB vs NVIDIA A800 SXM4 80 GB. Specifications

Comparison of basic technical data of graphics cards NVIDIA GeForce RTX 4080 16 GB and NVIDIA A800 SXM4 80 GB, chip, information processing units.

• Architecture
  Ada Lovelace Ampere
• CUDA Cores
  9728 -
• Execution Units
  9728 6912
• GPU Chip
  AD103 GA100
• L1 Cache
  128 KB 192 KB
• L2 Cache
  64 MB 40 MB
• Render Output Units
  112 160
• Texture Units
  304 432

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

• Memory Bandwidth
  716.8 GB/s 0.255 GB/s
• Memory Bus
  256 bit 5120 bit
• Memory Clock
  1400 MHz 1593 MHz
• Memory Data Rate
  22.4 Gbps -
• Memory Size
  16 GB 80 GB
• Memory Type
  GDDR6X HBM2e

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

• Base Clock
  2210 MHz 1275 MHz
• Boost Clock
  2510 MHz 1410 MHz

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

• Maximum GPU Temperature
  90 °C -
• System Power Supply
  750 W (System power requirement) -
• TDP
  320 W 400 W
• Total Graphics Power
  320 W -

Connectivity and connections.

• DisplayPort Ports
  3 × DisplayPort -
• HDCP Version
  2.3 -
• HDMI Ports
  1 × HDMI 2.1 -
• Max. Displays
  4 1
• Other Display Outputs (unparsed)
  HDMI -
• PCIe Interface
  PCIe 4.0 x16 PCIe 4.0 x16
• Power Connectors
  3x PCIe 8-pin cables (adapter in box) OR 1x 450 W or greater PCIe Gen 5 cable No

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

• CUDA
  8.9 8.0
• DirectX
  12.2 12.2
• Max. resolution
  3840 × 2160 3840 × 2160
• OpenCL
  3.0 3.0
• OpenGL
  4.6 -
• Shader Model
  6.7 -
• Vulkan
  1.3 -

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

• Height
  61 mm -
• Length
  310 mm -
• Slot Size
  Triple-slot IGP
• Width
  140 mm -

Comparison of interfaces and release dates for GPU NVIDIA A800 SXM4 80 GB and NVIDIA GeForce RTX 4080 16 GB.

• Manufacturer specification scope
  NVIDIA Founders Edition/reference design. Clock specifications apply to gaming use. AIB shipping specifications and complete-system power needs may differ. -
• Official source
  https://www.nvidia.com/en-us/geforce/graphics-cards/compare/ -
• Process Technology
  4 nm 7 nm
• Release date
  Q3/2022 Q3/2022
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. -
• Verified on
  2026-09-30 -

• FP16 (theoretical)
  48.74 TFLOPS (1:1) 77.97 TFLOPS (4:1)
• FP32 (theoretical)
  48.74 TFLOPS 19.49 TFLOPS
• FP64 (theoretical)
  761.5 GFLOPS (1:64) 9.746 TFLOPS (1:2)
• Pixel Rate
  280.6 GPixel/s 225.6 GPixel/s
• Texture Rate
  761.5 GTexel/s 609.1 GTexel/s