MSI Radeon RX 6600 XT MECH 2X 8G vs AMD Radeon RX 7700 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards MSI Radeon RX 6600 XT MECH 2X 8G and AMD Radeon RX 7700 XT, chip, information processing units.

• Based on
  AMD Radeon RX 6600 XT AMD Radeon RX 7700 XT
• Execution Units
  32 54
• GPU Chip
  Navi 23 XT Navi 33 XT
• Render Output Units
  64 96
• Shader
  2048 3456
• Texture Units
  128 128
• AI Accelerators
  - 108
• Architecture
  - RDNA 3
• Compute Units
  - 54
• Ray Accelerators
  - 54
• RT Cores
  - 32
• Streaming Multiprocessors
  - 32

Video memory capacity, type, bus width and bandwidth describe different properties. These values alone do not determine graphics performance.

• Memory Bandwidth
  256 GB/s 432 GB/s
• Memory Bus
  128 bit 192 bit
• Memory Size
  8 GB 12 GB
• Memory Speed (legacy frequency label)
  2000 MHz -
• Memory Type
  GDDR6 GDDR6
• Infinity Cache
  - 48 MB
• Memory Clock
  - 2250 MHz
• Memory Data Rate
  - 18 Gbps

Published GPU clock frequencies describe different operating modes. Clock speed alone does not determine graphics performance.

• Base Clock
  1968 MHz 1900 MHz
• Boost Clock
  2589 MHz 2544 MHz
• Game Clock
  2359 MHz 2171 MHz
• Overclocking
  Yes Yes

Graphics card power limits and recommended system power supply describe different specifications.

• Maximum Junction Temperature
  110 °C -
• TDP
  160 W 200 W
• TDP (up)
  - -
• System Power Supply
  - 700 W (System power requirement)
• Typical Board Power
  - 245 W

Types and sizes of coolers for graphics card cooling system MSI Radeon RX 6600 XT MECH 2X 8G and AMD Radeon RX 7700 XT.

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

Connectivity and connections.

• DisplayPort Ports
  3 × DisplayPort 1.4 -
• DVI Ports
  - -
• HDCP Version
  2.3 -
• HDMI Ports
  1 × HDMI 2.1 -
• Max. Displays
  4 4
• PCIe Interface
  PCIe 4.0 x8 PCIe 4.0 x16
• Power Connectors
  1 x 8-Pin 2x8-Pin
• USB-C Ports
  - -
• VGA Ports
  - -
• DisplayPort Version
  - 2.1
• HDMI Version
  - 2.1

Technical data that is used to its full potential in computer games.

• DirectX
  12_2 12_2 (Ultimate)
• DLSS / FSR
  No Yes
• LED
  No LED lighting No LED lighting
• Max. resolution
  7680 × 4320 7680 × 4320
• Raytracing
  Yes Yes

Built-in support for video and image compression standards.

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

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

• Height
  125 mm -
• Length
  235 mm -
• Slot Size
  3 PCIe-Slots -
• Weight
  721 g -
• Width
  46 mm -

Comparison of interfaces and release dates for GPU AMD Radeon RX 7700 XT and MSI Radeon RX 6600 XT MECH 2X 8G.

• Documents
  data sheet -
• Launch Price (historical)
  - -
• Part Number
  - -
• Process Technology
  7 nm 6 nm
• Release date
  Q3/2021 2023

• FP16 (theoretical)
  - 71.88 TFLOPS (2:1)
• FP32 (theoretical)
  - 35.94 TFLOPS
• FP64 (theoretical)
  - 1,123 GFLOPS (1:32)
• Pixel Rate
  - 332.8 GPixel/s
• Texture Rate
  - 561.6 GTexel/s