AMD Radeon RX 7900 GRE versus AMD Radeon RX 6400. Especificações

Comparação dos dados técnicos básicos das placas gráficas AMD Radeon RX 7900 GRE e AMD Radeon RX 6400, chip, unidades de processamento de informação.

• AI Accelerators
  160 -
• Arquitectura
  RDNA 3 RDNA 2
• Com base em
  AMD Radeon RX 7900 GRE AMD Radeon RX 6400
• Compute Units
  80 12
• Execution Units
  80 12
• Ray Accelerators
  80 12
• Shader
  5120 768
• Chip GPU
  - Navi 24 XL
• Unidades de saída de renderização
  - 32
• Unidades de Textura
  - 48

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

• Infinity Cache
  64 MB 16 MB
• Memory Bandwidth
  576 GB/s 128 GB/s
• Memory Bus
  256 bit 64 bit
• Memory Data Rate
  18 Gbps 16 Gbps
• Tamanho da memória
  16 GB 4 GB
• Tipo de memória
  GDDR6 GDDR6
• Memory Clock
  - 2000 MHz

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

• Frequência máxima
  2245 MHz 2321 MHz
• Game Clock
  1880 MHz 2039 MHz
• Frequência de base
  - 1923 MHz
• Overclocking
  - Sim

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

• TDP
  260 W 53 W
• Typical Board Power
  260 W 53 W
• Maximum Junction Temperature
  - -
• System Power Supply
  - 350 W (System power requirement)
• TDP (up)
  - Não

Tipos e tamanhos de refrigeradores para sistema de arrefecimento de placas gráficas AMD Radeon RX 7900 GRE e AMD Radeon RX 6400.

• Cooler-Type
  - Air cooling
• Fan-Type
  - -
• Ventilador 1
  - -
• Ventilador 2
  - -
• Noise (Idle)
  - 0 dB / Silent
• Noise (Load)
  - -

Conectividade e ligações.

• DisplayPort Version
  2.1 -
• HDMI Version
  2.1 HDMI 2.1 VRR and FRL
• Power Connectors
  2x8-Pin PCIe Powered
• DisplayPort Ports
  - 1 × DisplayPort 1.4a
• DVI Ports
  - -
• HDCP Version
  - 2.3
• HDMI Ports
  - 1 × HDMI 2.1
• Máx. Ecrãs
  - 2
• PCIe Interface
  - PCIe 4.0 x4
• USB-C Ports
  - -
• VGA Ports
  - -

Dados técnicos que são utilizados em todo o seu potencial em jogos de computador.

• DirectX
  - Conflicting source values: 12.2 | 12_2
• DLSS / FSR
  - Não
• LED
  - No LED lighting
• Resolução máxima
  - 7680 × 4320
• Raytracing
  - Sim

Suporte incorporado para padrões de compressão de vídeo e imagem.

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

A diferença em tamanho, peso e ranhura dos dispositivos comparados

• Altura
  - -
• Comprimento
  - -
• Slot Size
  - -
• Weight
  - -
• Width
  - -

Comparação de interfaces e datas de lançamento para GPU AMD Radeon RX 6400 e AMD Radeon RX 7900 GRE.

• Architecture source
  https://www.amd.com/content/dam/amd/en/documents/partner-hub/ryzen/amd-consumer-pocket-guide-ryzen-radeon-july-2024.pdf -
• Official source
  https://www.amd.com/en/products/graphics/desktops/radeon/7000-series/amd-radeon-rx-7900-gre.html https://www.amd.com/en/products/graphics/desktops/radeon/6000-series/amd-radeon-rx-6400.html
• Data de lançamento
  2023-07-27 2022-01-19
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  2026-09-30 2026-09-30
• Documentos
  - data sheet
• Launch Price (historical)
  - -
• Manufacturer
  - AMD
• Part Number
  - -
• Process Technology
  - 6 nm

• FP32 (theoretical)
  46 TFLOPS -