AMD Radeon RX 6400 vs AMD Radeon RX 590

Comparative analysis of AMD Radeon RX 6400 and AMD Radeon RX 590 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD Radeon RX 6400

  • Videocard is newer: launch date 3 year(s) 2 month(s) later
  • Around 31% higher core clock speed: 1923 MHz vs 1469 MHz
  • Around 50% higher boost clock speed: 2321 MHz vs 1545 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 6 nm vs 12 nm
  • 3.3x lower typical power consumption: 53 Watt vs 175 Watt
Launch date 19 Jan 2022 vs 15 November 2018
Core clock speed 1923 MHz vs 1469 MHz
Boost clock speed 2321 MHz vs 1545 MHz
Manufacturing process technology 6 nm vs 12 nm
Thermal Design Power (TDP) 53 Watt vs 175 Watt

Reasons to consider the AMD Radeon RX 590

  • 2x more texture fill rate: 222.48 GTexel/s vs 111.4 GTexel/s
  • 2x more maximum memory size: 8 GB vs 4 GB
  • 4x more memory clock speed: 8000 MHz vs 2000 MHz, 16 Gbps effective
  • Around 10% better performance in PassMark - G2D Mark: 789 vs 717
  • Around 23% better performance in PassMark - G3D Mark: 9374 vs 7651
  • 6.1x better performance in 3DMark Fire Strike - Graphics Score: 1081 vs 176
  • Around 38% better performance in Geekbench - OpenCL: 45591 vs 33004
Specifications (specs)
Texture fill rate 222.48 GTexel/s vs 111.4 GTexel/s
Maximum memory size 8 GB vs 4 GB
Memory clock speed 8000 MHz vs 2000 MHz, 16 Gbps effective
Benchmarks
PassMark - G2D Mark 789 vs 717
PassMark - G3D Mark 9374 vs 7651
3DMark Fire Strike - Graphics Score 1081 vs 176
Geekbench - OpenCL 45591 vs 33004

Compare benchmarks

GPU 1: AMD Radeon RX 6400
GPU 2: AMD Radeon RX 590

PassMark - G2D Mark
GPU 1
GPU 2
717
789
PassMark - G3D Mark
GPU 1
GPU 2
7651
9374
3DMark Fire Strike - Graphics Score
GPU 1
GPU 2
176
1081
Geekbench - OpenCL
GPU 1
GPU 2
33004
45591
Name AMD Radeon RX 6400 AMD Radeon RX 590
PassMark - G2D Mark 717 789
PassMark - G3D Mark 7651 9374
3DMark Fire Strike - Graphics Score 176 1081
Geekbench - OpenCL 33004 45591
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 137.469
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 2083.862
CompuBench 1.5 Desktop - T-Rex (Frames/s) 12.352
CompuBench 1.5 Desktop - Video Composition (Frames/s) 139.477
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 762.142
GFXBench 4.0 - Car Chase Offscreen (Frames) 13383
GFXBench 4.0 - Manhattan (Frames) 3716
GFXBench 4.0 - T-Rex (Frames) 3359
GFXBench 4.0 - Car Chase Offscreen (Fps) 13383
GFXBench 4.0 - Manhattan (Fps) 3716
GFXBench 4.0 - T-Rex (Fps) 3359

Compare specifications (specs)

AMD Radeon RX 6400 AMD Radeon RX 590

Essentials

Architecture RDNA 2.0 GCN 4.0
Code name Navi 24 Polaris 30
Launch date 19 Jan 2022 15 November 2018
Place in performance rating 279 280
Design Radeon RX 500 Series
Launch price (MSRP) $279
Type Desktop

Technical info

Boost clock speed 2321 MHz 1545 MHz
Compute units 12 36
Core clock speed 1923 MHz 1469 MHz
Manufacturing process technology 6 nm 12 nm
Peak Double Precision (FP64) Performance 222.8 GFLOPS (1:16)
Peak Half Precision (FP16) Performance 7.130 TFLOPS (2:1)
Peak Single Precision (FP32) Performance 3.565 TFLOPS
Pipelines 768
Pixel fill rate 74.27 GPixel/s 49.54 GP/s
Texture fill rate 111.4 GTexel/s 222.48 GTexel/s
Thermal Design Power (TDP) 53 Watt 175 Watt
Transistor count 5400 million 5,700 million
Floating-point performance 7.1 TFLOPs
Render output units 32
Stream Processors 2304
Texture Units 144

Video outputs and ports

Display Connectors 1x HDMI 2.1, 1x DisplayPort 1.4a 1x HDMI, 3x DisplayPort
DisplayPort support
Dual-link DVI support
HDMI
VGA

Compatibility, dimensions and requirements

Form factor Single-slot
Interface PCIe 4.0 x4 PCIe 3.0 x16
Recommended system power (PSU) 250 Watt
Supplementary power connectors None 1x 8-pin
Length 241 mm

API support

DirectX 12 Ultimate (12_2) 12.0 (12_0)
OpenCL 2.2
OpenGL 4.6 4.5
Shader Model 6.7
Vulkan

Memory

Maximum RAM amount 4 GB 8 GB
Memory bandwidth 128.0 GB/s 256 GB/s
Memory bus width 64 bit 256 bit
Memory clock speed 2000 MHz, 16 Gbps effective 8000 MHz
Memory type GDDR6 GDDR5

Technologies

4K H264 Decode
4K H264 Encode
H265/HEVC Decode
H265/HEVC Encode
HDMI 4K Support