AMD Radeon RX 6600 vs AMD Radeon RX 6700 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards AMD Radeon RX 6600 and AMD Radeon RX 6700 XT, chip, information processing units.

• Architecture
  RDNA 2 RDNA 2
• Based on
  AMD Radeon RX 6600 AMD Radeon RX 6700 XT
• Compute Units
  28 40
• Execution Units
  28 40
• GPU Chip
  Navi 23 XL Navi 22 XT
• Ray Accelerators
  28 40
• Render Output Units
  64 64
• Shader
  1792 2560
• Texture Units
  112 160

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

• Infinity Cache
  32 MB 96 MB
• Memory Bandwidth
  224 GB/s 384 GB/s
• Memory Bus
  128 bit 192 bit
• Memory Data Rate
  14 Gbps 16 Gbps
• Memory Size
  8 GB 12 GB
• Memory Speed (legacy frequency label)
  1750 MHz 2000 MHz
• Memory Type
  GDDR6 GDDR6

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

• Base Clock
  1626 MHz 2321 MHz
• Boost Clock
  2491 MHz 2581 MHz
• Game Clock
  2044 MHz 2424 MHz

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

• System Power Supply
  450 W (System power requirement) 650 W (System power requirement)
• TDP
  132 W 230 W
• Typical Board Power
  132 W 230 W

Connectivity and connections.

• DisplayPort Version
  1.4a 1.4a
• HDMI Version
  HDMI 2.1 VRR and FRL 4K120Hz/8K60Hz VRR as specified in HDMI 2.1
• Max. Displays
  4 4
• PCIe Interface
  PCIe 4.0 x8 PCIe 4.0 x16
• Power Connectors
  1x8-Pin 1x8-Pin / 1x6-Pin

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

• DirectX
  12.2 12.2
• DLSS / FSR
  No No
• 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

Comparison of interfaces and release dates for GPU AMD Radeon RX 6700 XT and AMD Radeon RX 6600.

• Manufacturer
  AMD AMD
• Official source
  https://www.amd.com/en/products/graphics/desktops/radeon/6000-series/amd-radeon-rx-6600.html https://www.amd.com/en/products/graphics/desktops/radeon/6000-series/amd-radeon-rx-6700-xt.html
• Process Technology
  7 nm 7 nm
• Release date
  2021-10-13 2021-03-01
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  2026-09-30 2026-09-30