AMD Radeon RX 6600 XT vs MSI Radeon RX 6600 ARMOR 8G. Specifications, performance, tests

Comparison of basic technical data of graphics cards AMD Radeon RX 6600 XT and MSI Radeon RX 6600 ARMOR 8G, chip, information processing units.

• Architecture
  RDNA 2 -
• Based on
  AMD Radeon RX 6600 XT AMD Radeon RX 6600
• Compute Units
  32 -
• Execution Units
  32 28
• GPU Chip
  Navi 23 XT Navi 23 XL
• Ray Accelerators
  32 -
• Render Output Units
  64 64
• Shader
  2048 1792
• Texture Units
  128 112

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

• Infinity Cache
  32 MB -
• Memory Bandwidth
  256 GB/s 224 GB/s
• Memory Bus
  128 bit 128 bit
• Memory Data Rate
  16 Gbps -
• Memory Size
  8 GB 8 GB
• Memory Speed (legacy frequency label)
  2000 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
  1968 MHz 1626 MHz
• Boost Clock
  2589 MHz 2491 MHz
• Game Clock
  2359 MHz 2044 MHz
• Overclocking
  - Yes

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

• System Power Supply
  500 W (System power requirement) -
• TDP
  160 W 132 W
• Typical Board Power
  160 W -
• Maximum Junction Temperature
  - 110 °C
• TDP (up)
  - -

Types and sizes of coolers for graphics card cooling system AMD Radeon RX 6600 XT and MSI Radeon RX 6600 ARMOR 8G.

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

Connectivity and connections.

• DisplayPort Version
  1.4a -
• HDMI Version
  HDMI 2.1 VRR and FRL -
• Max. Displays
  4 4
• PCIe Interface
  PCIe 4.0 x8 PCIe 4.0 x8
• Power Connectors
  1x8-Pin 1 x 8-Pin
• DisplayPort Ports
  - 3 × DisplayPort 1.4a
• DVI Ports
  - -
• HDCP Version
  - 2.3
• HDMI Ports
  - 1 × HDMI 2.1
• 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
• Max. resolution
  7680 × 4320 7680 × 4320
• Raytracing
  Yes Yes
• LED
  - No LED lighting

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
  - 128 mm
• Length
  - 238 mm
• Slot Size
  - 2 PCIe-Slots
• Weight
  - 605 g
• Width
  - 39 mm

Comparison of interfaces and release dates for GPU MSI Radeon RX 6600 ARMOR 8G and AMD Radeon RX 6600 XT.

• Manufacturer
  AMD -
• Official source
  https://www.amd.com/en/products/graphics/desktops/radeon/6000-series/amd-radeon-rx-6600-xt.html -
• Process Technology
  7 nm 7 nm
• Release date
  2021-08-11 Q4/2021
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. -
• Verified on
  2026-09-30 -
• Documents
  - data sheet
• Launch Price (historical)
  - -
• Part Number
  - -