NVIDIA A800 PCIe 40 GB vs NVIDIA RTX A4500. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA A800 PCIe 40 GB and NVIDIA RTX A4500, chip, information processing units.

• Architecture
  Ampere Ampere
• Execution Units
  6912 56
• GPU Chip
  GA100 GA102
• L1 Cache
  192 KB -
• L2 Cache
  40 MB -
• Render Output Units
  160 96
• Texture Units
  432 224
• Shader
  - 7168

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

• Memory Bandwidth
  1,555 GB/s -
• Memory Bus
  5120 bit -
• Memory Clock
  1215 MHz -
• Memory Data Rate
  2.4 Gbps -
• Memory Size
  40 GB 20 GB
• Memory Type
  HBM2e GDDR6
• Memory Speed (legacy frequency label)
  - 2000 MHz

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

• Base Clock
  765 MHz 1050 MHz
• Boost Clock
  1410 MHz 1650 MHz

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

• System Power Supply
  600 W (PSU recommendation) -
• TDP
  250 W 200 W

Connectivity and connections.

• PCIe Interface
  PCIe 4.0 x16 PCIe 4.0 x16
• Power Connectors
  8-pin EPS -
• Max. Displays
  - 4

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 -
• OpenGL
  4.6 -
• DLSS / FSR
  - Yes
• Raytracing
  - Yes

Built-in support for video and image compression standards.

• AV1
  - Decode
• h264
  - Decode / Encode
• h265 / HEVC
  - Decode / Encode
• VP8
  - Decode
• VP9
  - Decode

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 NVIDIA RTX A4500 and NVIDIA A800 PCIe 40 GB.

• Process Technology
  7 nm 8 nm
• Release date
  Q3/2022 Q4/2021
• Manufacturer
  - NVIDIA

• 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 -