MSI Radeon RX 6800 XT Gaming Z Trio 16G vs AMD Radeon RX 6600. Specifications, performance, tests

Comparison of basic technical data of graphics cards MSI Radeon RX 6800 XT Gaming Z Trio 16G and AMD Radeon RX 6600, chip, information processing units.

• Based on
  AMD Radeon RX 6800 XT AMD Radeon RX 6600
• Execution Units
  72 28
• GPU Chip
  Navi 21 XT Navi 23 XL
• Render Output Units
  128 64
• Shader
  4608 1792
• Texture Units
  288 112
• Architecture
  - RDNA 2
• Compute Units
  - 28
• Ray Accelerators
  - 28

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

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

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

• Base Clock
  1850 MHz + 1% 1626 MHz
• Boost Clock
  2310 MHz + 3% 2491 MHz
• Game Clock
  2065 MHz + 2% 2044 MHz
• Overclocking
  Yes -

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

• Maximum Junction Temperature
  96 °C -
• TDP
  300 W 132 W
• TDP (up)
  - -
• System Power Supply
  - 450 W (System power requirement)
• Typical Board Power
  - 132 W

Types and sizes of coolers for graphics card cooling system MSI Radeon RX 6800 XT Gaming Z Trio 16G and AMD Radeon RX 6600.

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

Connectivity and connections.

• DisplayPort Ports
  3 × DisplayPort 1.4a -
• DVI Ports
  - -
• HDCP Version
  2.3 -
• HDMI Ports
  1 × HDMI 2.1 -
• Max. Displays
  4 4
• PCIe Interface
  PCIe 4.0 x16 PCIe 4.0 x8
• Power Connectors
  3 x 8-Pin 1x8-Pin
• USB-C Ports
  - -
• VGA Ports
  - -
• DisplayPort Version
  - 1.4a
• HDMI Version
  - HDMI 2.1 VRR and FRL

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

• DirectX
  12_2 12.2
• DLSS / FSR
  No No
• LED
  MSI Mystic Light -
• 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
  142 mm -
• Length
  324 mm -
• Slot Size
  3 PCIe-Slots -
• Weight
  1564 g -
• Width
  55 mm -

Comparison of interfaces and release dates for GPU AMD Radeon RX 6600 and MSI Radeon RX 6800 XT Gaming Z Trio 16G.

• Documents
  data sheet -
• Launch Price (historical)
  - -
• Part Number
  - -
• Process Technology
  7 nm 7 nm
• Release date
  Q1/2022 2021-10-13
• Manufacturer
  - AMD
• Official source
  - https://www.amd.com/en/products/graphics/desktops/radeon/6000-series/amd-radeon-rx-6600.html
• Verification scope
  - Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  - 2026-09-30