Sapphire Nitro+ Radeon RX 6800 XT vs MSI Radeon RX 6600 XT GAMING X 8G. Specifications, performance, tests

Comparison of basic technical data of graphics cards Sapphire Nitro+ Radeon RX 6800 XT and MSI Radeon RX 6600 XT GAMING X 8G, chip, information processing units.

• Based on
  AMD Radeon RX 6800 XT AMD Radeon RX 6600 XT
• GPU Chip
  Navi 21 XT Navi 23 XT
• Execution units
  72 32
• Shader
  4608 2048
• Render Output Units
  128 64
• Texture Units
  288 128

Comparison of the amount of memory on board graphics cards. The more the better.

• Memory Size
  16 GB 8 GB
• Memory Type
  GDDR6 GDDR6
• Memory Speed
  2 GHz 2 GHz
• Memory Bandwith
  512 GB/s 256 GB/s
• Memory Interface
  256 bit 128 bit

Let's compare the memory frequency of graphics cards Sapphire Nitro+ Radeon RX 6800 XT and MSI Radeon RX 6600 XT GAMING X 8G. The higher the better.

• Base Clock
  1.925 GHz+ 5 % 1.968 GHz
• Boost Clock
  2.360 GHz+ 5 % 2.607 GHz+ 1 %
• Avg (Game) Clock
  2.110 GHz+ 5 % 2.428 GHz+ 3 %
• Overclocking
  Yes Yes

Connectors, the number of thermal watts emitted in normal mode and at overclocking.

• TDP
  300 W 160 W
• TDP (up)
  345 W 170 W
• Tjunction max
  96 °C 110 °C
• PCIe-Power
  2 x 8-Pin 1 x 8-Pin

Types and sizes of coolers for graphics card cooling system Sapphire Nitro+ Radeon RX 6800 XT and MSI Radeon RX 6600 XT GAMING X 8G.

• Fan-Type
  Axial Axial
• Cooler-Type
  Air cooling Air cooling
• Fan 1
  2 x 95 mm 2 x 100 mm
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Fan 2
  1 x 85 mm --
• Noise (Load)
  36 dB --

Connectivity and connections.

• Max. Displays
  4 4
• HDCP-Version
  2.3 2.3
• HDMI Ports
  1x HDMI v2.1 1x HDMI v2.1
• DP Ports
  3x DP v1.4a 3x DP v1.4
• DVI Ports
  -- --
• VGA Ports
  -- --
• USB-C Ports
  -- --

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

• Max. resolution
  7680x4320 7680x4320
• DirectX
  12_2 12_2
• Raytracing
  Yes Yes
• DLSS / FSR
  No No
• LED
  Addressable LED MSI Mystic Light

Built-in support for video and image compression standards.

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

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

• Length
  310 mm 277 mm
• Height
  135 mm 130 mm
• Width
  55 mm 51 mm
• Width (Slots)
  3 PCIe-Slots 3 PCIe-Slots
• Weight
  1240 g 882 g

Comparison of interfaces and release dates for GPU MSI Radeon RX 6600 XT GAMING X 8G and Sapphire Nitro+ Radeon RX 6800 XT.

• GPU Interface
  PCIe 4.0 x 16 PCIe 4.0 x 8
• Release date
  Q1/2021 Q3/2021
• Release price
  769 $ --
• Structure size
  7 nm 7 nm
• Part-no
  11304-02-20G --
• Documents
  data sheet data sheet