NVIDIA GeForce GTX 1660 vs NVIDIA A800 SXM4 80 GB. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA GeForce GTX 1660 and NVIDIA A800 SXM4 80 GB, chip, information processing units.

• Architecture
  Turing Ampere
• CUDA Cores
  1408 -
• Execution Units
  1408 6912
• GPU Chip
  TU116 GA100
• L1 Cache
  64 KB 192 KB
• L2 Cache
  1.536 MB 40 MB
• Render Output Units
  48 160
• Texture Units
  88 432

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

• Memory Bandwidth
  192.1 GB/s 0.255 GB/s
• Memory Bus
  192 bit 5120 bit
• Memory Clock
  2000 MHz 1593 MHz
• Memory Data Rate
  8 Gbps -
• Memory Size
  6 GB 80 GB
• Memory Type
  GDDR5 HBM2e

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

• Base Clock
  1530 MHz 1275 MHz
• Boost Clock
  1785 MHz 1410 MHz

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

• Graphics Card Power
  120 W -
• Maximum GPU Temperature
  95 °C -
• System Power Supply
  450 W (Minimum system power requirement) -
• TDP
  120 W 400 W

Connectivity and connections.

• DisplayPort Ports
  1 × DisplayPort 1.4a -
• DVI Ports
  1 × DVI -
• HDMI Ports
  1 × HDMI 2.0 -
• Max. Displays
  3 1
• Other Display Outputs (unparsed)
  DP 1.4a; HDMI 2.0b; DL-DVI-D -
• PCIe Interface
  PCIe 3.0 x16 PCIe 4.0 x16
• Power Connectors
  8-pin No

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

• CUDA
  7.5 8.0
• DirectX
  12.1 12.2
• Max. resolution
  3840 × 2160 3840 × 2160
• OpenCL
  3.0 3.0
• OpenGL
  4.6 -
• Shader Model
  6.7 (6.4) -
• Vulkan
  1.3 -

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

• Height
  35 mm -
• Length
  229 mm -
• Slot Size
  Dual-slot IGP
• Width
  111 mm -

Comparison of interfaces and release dates for GPU NVIDIA A800 SXM4 80 GB and NVIDIA GeForce GTX 1660.

• Manufacturer specification scope
  NVIDIA Founders Edition/reference design. Clock specifications apply to gaming use. AIB shipping specifications and complete-system power needs may differ. -
• Multi-monitor support
  Yes -
• Process Technology
  12 nm 7 nm
• Release date
  Q1/2019 Q3/2022

• FP16 (theoretical)
  10.05 TFLOPS (2:1) 77.97 TFLOPS (4:1)
• FP32 (theoretical)
  5.027 TFLOPS 19.49 TFLOPS
• FP64 (theoretical)
  157.1 GFLOPS (1:32) 9.746 TFLOPS (1:2)
• Pixel Rate
  85.68 GPixel/s 225.6 GPixel/s
• Texture Rate
  157.1 GTexel/s 609.1 GTexel/s