Comparing AMD Radeon RX 6800 XT vs AMD Radeon VII

gpu AMD Radeon VII item

• 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
  2 Gbps 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

• TDP
  300 W 300 W
• TDP (up)
  -- 345 W

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

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

• GPU Interface
  PCIe 3.0 x 16 PCIe 4.0 x 16
• Structure size
  7 nm 7 nm
• Release date
  Q1/2019 Q4/2020