AMD Radeon RX 6600M (Mobile) - 100 W vs AMD Radeon RX 5600 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards AMD Radeon RX 6600M (Mobile) - 100 W and AMD Radeon RX 5600 XT, chip, information processing units.

• Based on
  AMD Radeon RX 6600M AMD Radeon RX 5600 XT
• Execution Units
  28 36
• GPU Chip
  Navi 23 Navi 10 XLE
• Render Output Units
  64 64
• Shader
  1792 2304
• Texture Units
  112 144
• Architecture
  - RDNA 1
• Compute Units
  - 36
• Manufacturer Board Type
  - Component
• Manufacturer Family
  - Radeon RX
• Manufacturer Series
  - Radeon RX 5000 Series

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

• Memory Bandwidth
  224 GB/s 336 GB/s
• Memory Bus
  128 bit 192 bit
• Memory Size
  8 GB 6 GB
• Memory Speed (legacy frequency label)
  1750 MHz 1750 MHz
• Memory Type
  GDDR6 GDDR6

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

• Base Clock
  2068 MHz 1130 MHz
• Boost Clock
  2416 MHz 1560 MHz
• Game Clock
  2177 MHz 1375 MHz
• Overclocking
  Yes -

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

• Maximum Junction Temperature
  - -
• TDP
  100 W 160 W
• TDP (up)
  - -
• System Power Supply
  - 550 W (PSU recommendation)
• Typical Board Power
  - 150 W

Types and sizes of coolers for graphics card cooling system AMD Radeon RX 6600M (Mobile) - 100 W and AMD Radeon RX 5600 XT.

• Cooler-Type
  Air cooling -
• Fan-Type
  - -
• Fan 1
  - -
• Fan 2
  - -
• Noise (Idle)
  - -
• Noise (Load)
  - -

Connectivity and connections.

• DisplayPort Ports
  - -
• DVI Ports
  - -
• HDCP Version
  2.3 -
• HDMI Ports
  - -
• Max. Displays
  2 4
• PCIe Interface
  PCIe 4.0 x8 PCIe 4.0 x16
• Power Connectors
  - -
• USB-C Ports
  - -
• VGA Ports
  - -
• DisplayPort capabilities
  - 1.4a
• HDMI capabilities
  - 4K60 Support

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

• DirectX
  12_2 12.1
• DLSS / FSR
  No No
• LED
  No LED lighting -
• Max. resolution
  7680 × 4320 7680 × 4320
• Raytracing
  Yes Yes

Built-in support for video and image compression standards.

• AV1
  Decode No
• h264
  Decode / Encode Decode / Encode
• h265 / HEVC
  Decode / Encode Decode / Encode
• VP8
  Decode / Encode Decode
• VP9
  Decode / Encode Decode / Encode
• 4K H264 Decode
  - Yes
• 4K H264 Encode
  - Yes
• H265/HEVC Decode
  - Yes
• H265/HEVC Encode
  - Yes

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

• Height
  - -
• Length
  - -
• Slot Size
  - -
• Weight
  - -
• Width
  - -

Comparison of interfaces and release dates for GPU AMD Radeon RX 5600 XT and AMD Radeon RX 6600M (Mobile) - 100 W.

• Documents
  data sheet -
• Launch Price (historical)
  - -
• Part Number
  - -
• Process Technology
  7 nm 7 nm
• Release date
  Q4/2021 Q2/2020
• Manufacturer
  - AMD
• Official source
  - https://www.amd.com/en/products/specifications/graphics.html
• Verification scope
  - Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  - 2026-10-01