AMD Radeon RX 7800 XT 与 AMD Radeon RX 6800

gpu AMD Radeon RX 7800 XT item

• Based on
  AMD Radeon RX 7800 XT AMD Radeon RX 6800
• GPU Chip
  Navi 32 (RDNA 3) Navi 21
• Execution units
  60 60
• Shader
  7680 3840
• Render Output Units
  138 96
• Texture Units
  480 240

• Memory Size
  16 GB 16 GB
• Memory Type
  GDDR6 GDDR6
• Memory Speed
  18 Gbps 2 GHz
• Memory Bandwith
  640 GB/s 512 GB/s
• Memory Interface
  256 bit 256 bit

• Base Clock
  1.800 GHz 1.700 GHz
• Boost Clock
  2.500 GHz 2.105 GHz
• Avg (Game) Clock
  2.000 GHz 1.815 GHz
• Overclocking
  Yes Yes

• TDP
  250 W 250 W
• TDP (up)
  -- 285 W
• PCIe-Power
  2 x 8-Pin 2 x 8-Pin

• Fan-Type
  Axial Axial
• Fan 1
  -- 3 x 85 mm
• Cooler-Type
  Air cooling Air cooling
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Noise (Load)
  -- 35 dB

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

• Max. resolution
  7680x4320 7680x4320
• DirectX
  12_2 (Ultimate) 12_2
• Raytracing
  Yes Yes
• DLSS / FSR
  Yes No
• LED
  No LED lighting Non addressable LED

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

• Length
  -- 267 mm
• Height
  -- 120 mm
• Width (Slots)
  -- 2 PCIe-Slots

• GPU Interface
  PCIe 4 x 16 PCIe 4.0 x 16
• Release date
  2023 Q4/2020
• Structure size
  5 nm 7 nm