SAPPHIRE Radeon RX 6600 8GB vs NVIDIA L40. Specifications

Comparison of basic technical data of graphics cards SAPPHIRE Radeon RX 6600 8GB and NVIDIA L40, chip, information processing units.

• Based on
  AMD Radeon RX 6600 -
• Board Manufacturer
  Sapphire -
• Board Model
  SAPPHIRE Radeon RX 6600 8GB -
• Board SKU
  11310-05-20G -
• Stream Processors
  1792 -
• Architecture
  - Ada Lovelace
• Execution Units
  - 18176
• GPU Chip
  - AD102
• L1 Cache
  - 128 KB
• L2 Cache
  - 96 MB
• Render Output Units
  - 192
• RT Cores
  - 142
• Texture Units
  - 568

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

• Memory Data Rate
  14 Gbps Effective 18 Gbps
• Memory Size
  8 GB 48 GB
• Memory Type
  GDDR6 GDDR6
• Memory Bandwidth
  - 864 GB/s
• Memory Bus
  - 384 bit
• Memory Clock
  - 2250 MHz

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

• Boost Clock
  Up to 2491 MHz 2490 MHz
• Game Clock
  Up to 2044 MHz -
• Base Clock
  - 735 MHz

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

• System Power Supply
  500 W (System power requirement) 700 W (PSU recommendation)
• Total Board Power
  140W (Board Power) -
• TDP
  - 300 W

Connectivity and connections.

• DisplayPort Ports
  1 × DisplayPort 4 × DisplayPort 1.4a
• HDMI Ports
  1 × HDMI -
• PCIe Interface
  PCIe 4.0 x8 PCIe 4.0 x16
• Max. Displays
  - 4
• Power Connectors
  - 1x 16-pin

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

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

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

• Form Factor
  2 slot, ATX Dimension: 193(L)X 120.05(W)X 40.05(H)mm -
• Length
  - 267 mm
• Slot Size
  - Dual-slot
• Width
  - 111 mm

Comparison of interfaces and release dates for GPU NVIDIA L40 and SAPPHIRE Radeon RX 6600 8GB.

• Official source
  https://www.sapphiretech.com/en/consumer/11310_05_20g-radeon-rx-6600-8g-gddr6 -
• Verified on
  2026-09-30 -
• Process Technology
  - 4 nm
• Release date
  - Q3/2022

• FP16 (theoretical)
  - 90.52 TFLOPS (1:1)
• FP32 (theoretical)
  - 90.52 TFLOPS
• FP64 (theoretical)
  - 1.414 GFLOPS (1:64)
• Pixel Rate
  - 478.1 GPixel/s
• Texture Rate
  - 1.414 GTexel/s