SAPPHIRE NITRO+ Radeon RX 6600 XT vs AMD Radeon RX 7800 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards SAPPHIRE NITRO+ Radeon RX 6600 XT and AMD Radeon RX 7800 XT, chip, information processing units.

• Based on
  AMD Radeon RX 6600 XT AMD Radeon RX 7800 XT
• GPU Chip
  Navi 23 XT Navi 32 (RDNA 3)
• Shader
  2048 7680
• Render Output Units
  64 138
• Texture Units
  128 480

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

• Memory Size
  8 GB 16 GB
• Memory Type
  GDDR6 GDDR6
• Memory Speed
  2 GHz 18 Gbps
• Memory Interface
  128 bit 256 bit

Let's compare the memory frequency of graphics cards SAPPHIRE NITRO+ Radeon RX 6600 XT and AMD Radeon RX 7800 XT. The higher the better.

• Base Clock
  1.968 GHz 1.800 GHz
• Boost Clock
  2.607 GHz+ 1 % 2.800 GHz+ 12 %
• Avg (Game) Clock
  2.428 GHz+ 3 % 2.600 GHz+ 30 %
• Overclocking
  Yes Yes

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

• TDP
  160 W 300 W+ 20 %
• TDP (up)
  180 W --
• Tjunction max
  110 °C --
• PCIe-Power
  1 x 8-Pin 2 x 8-Pin

Types and sizes of coolers for graphics card cooling system SAPPHIRE NITRO+ Radeon RX 6600 XT and AMD Radeon RX 7800 XT.

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

Connectivity and connections.

• Max. Displays
  4 4
• HDCP-Version
  2.3 2.3
• HDMI Ports
  1x HDMI v2.1 1x HDMI v2.1a
• DP Ports
  3x DP v1.4 3x DP v2.1
• 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 (Ultimate)
• Raytracing
  Yes Yes
• DLSS / FSR
  No Yes
• LED
  Addressable LED No LED lighting

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 / Encode

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

• Length
  240 mm --
• Height
  119 mm --
• Width
  45 mm --
• Width (Slots)
  3 PCIe-Slots --
• Weight
  -- --

Comparison of interfaces and release dates for GPU AMD Radeon RX 7800 XT and SAPPHIRE NITRO+ Radeon RX 6600 XT.

• GPU Interface
  PCIe 4.0 x 8 PCIe 4 x 16
• Release date
  Q3/2021 2023
• Structure size
  7 nm 5 nm
• Part-no
  11309-01-20G --
• Documents
  data sheet --