GPU comparison with benchmarks

AMD Radeon RX 6400 vs SAPPHIRE PULSE RX 550 4G G5

AMD Radeon RX 6400
AMD Radeon RX 6400 4 GB GDDR6 · 2.32 GHz · 53 W Speed index 3/100
SAPPHIRE PULSE RX 550 4G G5
SAPPHIRE PULSE RX 550 4G G5 4 GB GDDR5 · 1.21 GHz · 65 W Speed index 1/100
In the gpu comparison between the AMD Radeon RX 6400 and the SAPPHIRE PULSE RX 550 4G G5, we compare both the technical data and the benchmark results of the two graphics cards.

Quick comparison

In FP32 performance, the AMD Radeon RX 6400 is 190 % faster than the SAPPHIRE PULSE RX 550 4G G5.

AMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
Speed index
3/100
1/100
FP32
3.57 TFLOPS
1.23 TFLOPS
Boost Clock
2.32 GHz
1.21 GHz
Memory Size
4 GB GDDR6
4 GB GDDR5
Memory bandwidth
128 GB/s
96 GB/s
TDP
53 W
65 W
Launch Price
159 $
79 $

GPU

GPUAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
Based onAMD Radeon RX 6400AMD Radeon RX 550 (Lexa)
GPU ChipNavi 24 XLLexa PRO
Streaming Multiprocessors128
Shader768512
Render Output Units3216
Texture Units4832
Raytracing Cores12--
More information
The AMD Radeon RX 6400 is based on the AMD Radeon RX 6400 and has 768 texture shaders and 12 execution units.

SAPPHIRE PULSE RX 550 4G G5 is based on AMD Radeon RX 550 (Lexa), which has 512 shaders and 8 execution units.

Memory

MemoryAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
Memory Size4 GB4 GB
Memory TypeGDDR6GDDR5
Memory Clock2.000 GHz1.500 GHz
Memory Speed16.0 Gbps6.0 Gbps
Memory bandwidth128 GB/s96 GB/s
Memory Interface64 bit128 bit
More information
The AMD Radeon RX 6400 has 4 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 128 GB/s.

The SAPPHIRE PULSE RX 550 4G G5 can access 4 GB GDDR5 graphics memory and thus achieves a memory bandwidth of 96 GB/s.

Clock Speeds

Clock SpeedsAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
Base Clock1.923 GHz1.100 GHz
Boost Clock2.321 GHz1.206 GHz
Avg (Game) Clock2.04 GHz--
OverclockingYesYes
More information
The AMD Radeon RX 6400 clocks in the base with up to 1.923 GHz. The base frequency of the SAPPHIRE PULSE RX 550 4G G5 is 1.100 GHz.

Thermal Design

Thermal DesignAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
TDP53 W65 W
Tjunction max97 °C80 °C
More information
The TDP (Thermal Design Power) of the AMD Radeon RX 6400 is 53 W. The graphics card is supplied with energy via the -- connector.

The SAPPHIRE PULSE RX 550 4G G5 has a TDP of 65 W and is supplied with the required energy via -- PCIe power connectors.

Cooler & Fans

Cooler & FansAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
Fan-Type--Axial
Fan 1--1 x 90 mm
Cooler-TypeAir coolingAir cooling
Noise (Idle)0 dB--
More information
The AMD Radeon RX 6400 has a total of 0 -- fans.

The SAPPHIRE PULSE RX 550 4G G5 has 1 Axial fans to cool the GPU and memory.

Connectivity

ConnectivityAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
Max. Displays24
HDCP2.32.2
HDMI1x HDMI 2.11x HDMI 2.0b
DisplayPort1x DP 1.4a1x DP 1.4
DVI--1
More information
In the connectivity category, we recorded the number of ports on a graphics card. A total of 2 screens can be connected to the AMD Radeon RX 6400.

The SAPPHIRE PULSE RX 550 4G G5 supports a maximum of 4 screens.

Featureset

FeaturesetAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
Max. resolution7680x43205120x2880
DirectX12_2 (Ultimate)12
RaytracingYesNo
DLSS / FSRYesYes
LEDNo LED lightingNo LED lighting
More information
The AMD Radeon RX 6400 supports a maximum resolution of 7680x4320 pixels.

The maximum resolution of the SAPPHIRE PULSE RX 550 4G G5 is 5120x2880 pixels.

Supported Video Codecs

Supported Video CodecsAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
h264Decode / EncodeDecode / Encode
h265 / HEVCDecode / EncodeDecode / Encode
VP8Decode / EncodeDecode
VP9Decode / EncodeDecode
AV1DecodeNo
More information
The support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos.

Dimensions

DimensionsAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
Length--158 mm
Height--112 mm
Width--28 mm
Width (Slots)--2 Slots
SFF-ReadyNoNo
More information
The AMD Radeon RX 6400 is -- long, -- high and -- wide.

The SAPPHIRE PULSE RX 550 4G G5 is 158 mm long, 112 mm high and 28 mm wide.

Additional data

Additional dataAMD Radeon RX 6400SAPPHIRE PULSE RX 550 4G G5
GPU InterfacePCIe 4.0 x 4PCIe 3.0 x 8
Release dateQ2/2022Q4/2017
Launch Price159 $79 $
Structure size6 nm14 nm
Part-no--11268-01
Documentsdata sheetdata sheet
More information
The AMD Radeon RX 6400 was released in Q2/2022 at a price of 159 $.

The SAPPHIRE PULSE RX 550 4G G5 was introduced in Q4/2017 at a price of 79 $.

Benchmark results

3DMark Benchmark (DirectX, Raytracing)

3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.

Time Spy Extreme Graphics score AMD Radeon RX 6400 +201.1 %

  1. 1,647
  2. 547

Port Royal (Raytracing)

  1. 294
  2. no data

Speed Way Graphics Score (Raytracing)

  1. 80
  2. no data

Cyberpunk 2077

Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.

3840x2160 (2160p)

  1. 8 fps (avg)
  2. no data

2560x1440 (1440p)

  1. 11 fps (avg)
  2. no data

1920x1080 (1080p)

  1. 21 fps (avg)
  2. no data

Battlefield 5

Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.

3840x2160 (2160p) AMD Radeon RX 6400 +137.5 %

  1. 19 fps (avg)
  2. 8 fps (avg)

2560x1440 (1440p) AMD Radeon RX 6400 +125.0 %

  1. 36 fps (avg)
  2. 16 fps (avg)

1920x1080 (1080p) AMD Radeon RX 6400 +108.7 %

  1. 48 fps (avg)
  2. 23 fps (avg)

Geekbench 6 (OpenCL, Vulkan, Metal)

Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.

Geekbench 6 - OpenCL AMD Radeon RX 6400 +124.2 %

  1. 32,619
  2. 14,548

Geekbench 6 - Vulkan AMD Radeon RX 6400 +184.5 %

  1. 38,397
  2. 13,498

Geekbench 6 - Metal AMD Radeon RX 6400 +1,718.5 %

  1. 339,470
  2. 18,668

Rate these graphics cards now

Here you can rate the AMD Radeon RX 6400 to help other visitors make their purchasing decisions. The average rating is 3.7 stars (11 ratings). Rate now:

Here you can rate the SAPPHIRE PULSE RX 550 4G G5 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:

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