Comparing Sapphire Radeon RX 6800 vs Gainward GeForce GTX 980 Ti Phoenix GS

gpu Gainward GeForce GTX 980 Ti Phoenix GS item

• Based on
  NVIDIA GeForce GTX 980 Ti AMD Radeon RX 6800
• GPU Chip
  GM200-310-A1 (Maxwell 2.0) Navi 21
• Execution units
  22 60
• Shader
  2816 3840
• Render Output Units
  96 96
• Texture Units
  176 240

• Memory Size
  6 GB 16 GB
• Memory Type
  GDDR5 GDDR6
• Memory Speed
  7.01 Gbps 2 GHz
• Memory Bandwith
  337 GB/s 512 GB/s
• Memory Interface
  384 bit 256 bit

• Base Clock
  1.241 GHz+ 24 % 1.800 GHz+ 6 %
• Boost Clock
  1.152 GHz+ 7 % 2.105 GHz
• Avg (Game) Clock
  1.815 GHz
• Overclocking
  Yes Yes

• TDP
  250 W 250 W
• TDP (up)
  -- 285 W
• Tjunction max
  92 \xc2\xb0C --
• PCIe-Power
  1 x 6-Pin, 1 x 8-Pin 2 x 8-Pin

• Fan-Type
  Axial Axial
• Fan 1
  3 x 80 mm 3 x 85 mm
• Cooler-Type
  Air cooling Air cooling
• Noise (Idle)
  0 dB / Silent 0 dB / Silent
• Noise (Load)
  -- 37 dB

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

• Max. resolution
  4096x2160 7680x4320
• DirectX
  12_1 12_2
• Raytracing
  No Yes
• DLSS / FSR
  No No
• LED
  No LED lighting Non addressable LED

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

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

• GPU Interface
  PCIe 3 x 16 PCIe 4.0 x 16
• Release date
  Q2/2015 Q4/2020
• Structure size
  28 nm 7 nm
• Part-no
  426018336-3477 21305-01-20G
• Documents
  data sheet data sheet