Comparing Sapphire Radeon RX 6800 XT vs ASRock Phantom Gaming X Radeon VII 16G

gpu ASRock Phantom Gaming X Radeon VII 16G item

• Based on
  AMD Radeon VII AMD Radeon RX 6800 XT
• GPU Chip
  Vega 20 XT Navi 21 XT
• Execution units
  60 72
• Shader
  3840 4608
• Render Output Units
  64 128
• Texture Units
  240 288

• Memory Size
  16 GB 16 GB
• Memory Type
  HBM2 GDDR6
• Memory Speed
  1 GHz 2 GHz
• Memory Bandwith
  1024 GB/s 512 GB/s
• Memory Interface
  4096 bit 256 bit

• Base Clock
  1.400 GHz 1.825 GHz
• Boost Clock
  1.750 GHz 2.250 GHz
• Avg (Game) Clock
  2.015 GHz
• Overclocking
  Yes Yes

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

• Fan-Type
  Axial Axial
• Cooler-Type
  Air cooling Air cooling
• Fan 1
  3 x 75 mm 3 x 80 mm
• Noise (Idle)
  32 dB 0 dB / Silent
• Noise (Load)
  52 dB 37 dB

• Max. Displays
  4 4
• HDCP-Version
  2.2 2.3
• HDMI Ports
  1x HDMI v2.0b 1x HDMI v2.1
• DP Ports
  3x DP v1.4a 2x DP v1.4a
• USB-C Ports
  -- 1

• Max. resolution
  7680x4320 7680x4320
• DirectX
  12_1 12_2
• Raytracing
  No Yes
• DLSS / FSR
  No No
• LED
  Non addressable LED Non addressable LED

• h264
  Decode / Encode Decode / Encode
• VP8
  Decode Decode / Encode
• h265 / HEVC
  Decode / Encode Decode / Encode
• VP9
  Decode / Encode Decode / Encode
• AV1
  No Decode

• Length
  280 mm 267 mm
• Height
  125 mm 120 mm
• Width
  40 mm 50 mm
• Width (Slots)
  2 PCIe-Slots 3 PCIe-Slots
• Weight
  -- 1500 g

• GPU Interface
  PCIe 3.0 x 16 PCIe 4.0 x 16
• Release date
  Q1/2019 Q2/2021
• Structure size
  7 nm 7 nm
• Part-no
  PG X R VII 16G 21304-01-20G
• Documents
  data sheet data sheet