AMD Radeon RX 6400 vs AMD Radeon Pro W6900X

Comparative analysis of AMD Radeon RX 6400 and AMD Radeon Pro W6900X videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps).

 

Differences

Reasons to consider the AMD Radeon RX 6400

  • Videocard is newer: launch date 5 month(s) later
  • Around 5% higher core clock speed: 1923 MHz vs 1825 MHz
  • Around 8% higher boost clock speed: 2321 MHz vs 2150 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 6 nm vs 7 nm
  • 5.7x lower typical power consumption: 53 Watt vs 300 W
Launch date 19 Jan 2022 vs 3 Aug 2021
Core clock speed 1923 MHz vs 1825 MHz
Boost clock speed 2321 MHz vs 2150 MHz
Manufacturing process technology 6 nm vs 7 nm
Thermal Design Power (TDP) 53 Watt vs 300 W

Reasons to consider the AMD Radeon Pro W6900X

  • 6.2x more texture fill rate: 688.0 GTexel/s vs 111.4 GTexel/s
  • 6.7x more pipelines: 5120 vs 768
  • 8x more maximum memory size: 32 GB vs 4 GB
  • 4.6x better performance in Geekbench - OpenCL: 151605 vs 32766
Specifications (specs)
Texture fill rate 688.0 GTexel/s vs 111.4 GTexel/s
Pipelines 5120 vs 768
Maximum memory size 32 GB vs 4 GB
Benchmarks
Geekbench - OpenCL 151605 vs 32766

Compare benchmarks

GPU 1: AMD Radeon RX 6400
GPU 2: AMD Radeon Pro W6900X

Geekbench - OpenCL
GPU 1
GPU 2
32766
151605
Name AMD Radeon RX 6400 AMD Radeon Pro W6900X
PassMark - G2D Mark 706
PassMark - G3D Mark 7627
3DMark Fire Strike - Graphics Score 3579
Geekbench - OpenCL 32766 151605
GFXBench 4.0 - Manhattan (Frames) 3739
GFXBench 4.0 - Manhattan (Fps) 3739

Compare specifications (specs)

AMD Radeon RX 6400 AMD Radeon Pro W6900X

Essentials

Architecture RDNA 2.0 RDNA 2.0
Code name Navi 24 Navi 21
Launch date 19 Jan 2022 3 Aug 2021
Place in performance rating 234 232
Type Desktop

Technical info

Boost clock speed 2321 MHz 2150 MHz
Compute units 12 80
Core clock speed 1923 MHz 1825 MHz
Manufacturing process technology 6 nm 7 nm
Peak Double Precision (FP64) Performance 222.8 GFLOPS (1:16) 1,376 GFLOPS (1:16)
Peak Half Precision (FP16) Performance 7.130 TFLOPS (2:1) 44.03 TFLOPS (2:1)
Peak Single Precision (FP32) Performance 3.565 TFLOPS 22.02 TFLOPS
Pipelines 768 5120
Pixel fill rate 74.27 GPixel/s 275.2 GPixel/s
Texture fill rate 111.4 GTexel/s 688.0 GTexel/s
Thermal Design Power (TDP) 53 Watt 300 W
Transistor count 5400 million 26800 million

Video outputs and ports

Display Connectors 1x HDMI 2.1, 1x DisplayPort 1.4a 1x HDMI 2.14x Thunderbolt

Compatibility, dimensions and requirements

Form factor Single-slot Quad-slot
Interface PCIe 4.0 x4 PCIe 4.0 x16
Recommended system power (PSU) 250 Watt 700 W
Supplementary power connectors None None
Length 267 mm 10.5 inches
Width 120 mm 4.7 inches

API support

DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenCL 2.2 2.1
OpenGL 4.6 4.6
Shader Model 6.7 6.7
Vulkan

Memory

Maximum RAM amount 4 GB 32 GB
Memory bandwidth 128.0 GB/s 512.0 GB/s
Memory bus width 64 bit 256 bit
Memory clock speed 2000 MHz, 16 Gbps effective 2000 MHz 16 Gbps effective
Memory type GDDR6 GDDR6