ASUS Dual Radeon RX 6600 vs ASUS Dual Radeon RX 6400. Specifications, performance, tests

Comparison of basic technical data of graphics cards ASUS Dual Radeon RX 6600 and ASUS Dual Radeon RX 6400, chip, information processing units.

• Based on
  AMD Radeon RX 6600 AMD Radeon RX 6400
• Execution Units
  28 12
• GPU Chip
  Navi 23 XL Navi 24 XL
• Render Output Units
  64 32
• Shader
  1792 768
• Texture Units
  112 48

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

• Memory Bandwidth
  224 GB/s 128 GB/s
• Memory Bus
  128 bit 64 bit
• Memory Size
  8 GB 4 GB
• Memory Speed (legacy frequency label)
  1750 MHz -
• Memory Type
  GDDR6 GDDR6
• Memory Clock
  - 2000 MHz
• Memory Data Rate
  - 16 Gbps

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

• Base Clock
  1626 MHz 1923 MHz
• Boost Clock
  2491 MHz 2321 MHz
• Game Clock
  2064 MHz + 1% 2039 MHz
• Overclocking
  Yes Yes

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

• Maximum Junction Temperature
  110 °C -
• TDP
  132 W 53 W
• TDP (up)
  - -

Types and sizes of coolers for graphics card cooling system ASUS Dual Radeon RX 6600 and ASUS Dual Radeon RX 6400.

• Cooler-Type
  Air cooling Air cooling
• Fan-Type
  Axial Axial
• Fan 1
  2 x 100 mm 2 x 90 mm
• Fan 2
  - -
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Noise (Load)
  37 dB -

Connectivity and connections.

• DisplayPort Ports
  3 × DisplayPort 1.4a 1 × DisplayPort 1.4a
• DVI Ports
  - -
• HDCP Version
  2.3 2.3
• HDMI Ports
  1 × HDMI 2.1 1 × HDMI 2.1
• Max. Displays
  4 2
• PCIe Interface
  PCIe 4.0 x8 PCIe 4.0 x4
• Power Connectors
  1 x 8-Pin -
• USB-C Ports
  - -
• VGA Ports
  - -

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

• DirectX
  12_2 12_2
• DLSS / FSR
  No No
• LED
  No LED lighting ASUS Aura Sync
• Max. resolution
  7680 × 4320 7680 × 4320
• Raytracing
  Yes Yes

Built-in support for video and image compression standards.

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

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

• Height
  134 mm 124 mm
• Length
  243 mm 201 mm
• Slot Size
  3 PCIe-Slots 2 PCIe-Slots
• Weight
  - -
• Width
  49 mm 41 mm

Comparison of interfaces and release dates for GPU ASUS Dual Radeon RX 6400 and ASUS Dual Radeon RX 6600.

• Documents
  data sheet data sheet
• Launch Price (historical)
  - -
• Part Number
  - -
• Process Technology
  7 nm 6 nm
• Release date
  Q4/2021 Q2/2022