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

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

• Architecture
  RDNA 2 -
• Based on
  AMD Radeon RX 6400 AMD Radeon RX 6600
• Compute Units
  12 -
• Execution Units
  12 28
• GPU Chip
  Navi 24 XL Navi 23 XL
• Ray Accelerators
  12 -
• Render Output Units
  32 64
• Shader
  768 1792
• Texture Units
  48 112

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

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

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

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

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

• Maximum Junction Temperature
  - 110 °C
• System Power Supply
  350 W (System power requirement) -
• TDP
  53 W 132 W
• TDP (up)
  No -
• Typical Board Power
  53 W -

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

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

Connectivity and connections.

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

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

• DirectX
  Conflicting source values: 12.2 | 12_2 12_2
• DLSS / FSR
  No No
• LED
  No LED lighting No LED lighting
• 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
• Length
  - 243 mm
• Slot Size
  - 3 PCIe-Slots
• Weight
  - -
• Width
  - 49 mm

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

• Documents
  data sheet data sheet
• Launch Price (historical)
  - -
• Manufacturer
  AMD -
• Part Number
  - -
• Process Technology
  6 nm 7 nm
• Release date
  2022-01-19 Q4/2021