NVIDIA RTX A6000 vs NVIDIA A800 PCIe 40 GB. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA RTX A6000 and NVIDIA A800 PCIe 40 GB, chip, information processing units.

• Architecture
  Ampere Ampere
• Execution Units
  84 6912
• GPU Chip
  GA102 GA100
• Render Output Units
  112 160
• Shader
  10752 -
• Texture Units
  336 432
• L1 Cache
  - 192 KB
• L2 Cache
  - 40 MB

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

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

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

• Base Clock
  1410 MHz 765 MHz
• Boost Clock
  1800 MHz 1410 MHz

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

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

Connectivity and connections.

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

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

• DirectX
  12.2 12.2
• DLSS / FSR
  Yes -
• Max. resolution
  7680 × 4320 3840 × 2160
• Raytracing
  Yes -
• CUDA
  - 8.0
• OpenCL
  - 3.0
• OpenGL
  - 4.6

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 A800 PCIe 40 GB and NVIDIA RTX A6000.

• Manufacturer
  NVIDIA -
• Process Technology
  8 nm 7 nm
• Release date
  Q4/2020 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