The ASUS Phoenix Radeon RX 550 4GB is based on the AMD Radeon RX 550 (Baffin 10 CU) (GCN 4) and has 4 GB GDDR5 graphics memory with a bandwidth of 96 GB/s.
Quick comparison
In FP32 performance, the SAPPHIRE Pulse Radeon RX 6400 is 161 % faster than the ASUS Phoenix Radeon RX 550 4GB.
The SAPPHIRE Pulse Radeon RX 6400 has the Navi 24 XL graphics chip installed, which is based on the RDNA 2 architecture.
The ASUS Phoenix Radeon RX 550 4GB is based on the graphics chip Baffin LE, which comes from the GCN 4 architecture.
Memory
Memory
SAPPHIRE Pulse Radeon RX 6400
ASUS Phoenix Radeon RX 550 4GB
Memory Size
4 GB
4 GB
Memory Type
GDDR6
GDDR5
Memory Clock
2.000 GHz
1.500 GHz
Memory Speed
16.0 Gbps
6.0 Gbps
Memory bandwidth
128 GB/s
96 GB/s
Memory Interface
64 bit
128 bit
More information
The graphics memory of the SAPPHIRE Pulse Radeon RX 6400 clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps.
The graphics memory speed of the ASUS Phoenix Radeon RX 550 4GB is 6.0 Gbps and the clock speed is 1.500 GHz.
Clock Speeds
Clock Speeds
SAPPHIRE Pulse Radeon RX 6400
ASUS Phoenix Radeon RX 550 4GB
Base Clock
1.923 GHz
1.019 GHz
Boost Clock
2.321 GHz
1.071 GHz
Avg (Game) Clock
2.04 GHz
--
Overclocking
Yes
Yes
More information
The clock frequency of a graphics card determines the speed in connection with the graphics architecture.
Thermal Design
Thermal Design
SAPPHIRE Pulse Radeon RX 6400
ASUS Phoenix Radeon RX 550 4GB
TDP
55 W
60 W
Tjunction max
97 °C
80 °C
More information
The SAPPHIRE Pulse Radeon RX 6400 is powered by -- connectors. The TDP (Thermal Design Power) of the graphics card is 55 W.
The ASUS Phoenix Radeon RX 550 4GB has -- PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 60 W.
Cooler & Fans
Cooler & Fans
SAPPHIRE Pulse Radeon RX 6400
ASUS Phoenix Radeon RX 550 4GB
Fan-Type
Axial
Axial
Fan 1
1 x 50 mm
1 x 80 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
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More information
The SAPPHIRE Pulse Radeon RX 6400 is equipped with a total of 1 Axial main fans.
The ASUS Phoenix Radeon RX 550 4GB has 1 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
SAPPHIRE Pulse Radeon RX 6400
ASUS Phoenix Radeon RX 550 4GB
Max. Displays
2
4
HDCP
2.3
2.2
HDMI
1x HDMI 2.1
1x HDMI 2.0b
DisplayPort
1x DP 1.4a
1x DP 1.4
DVI
--
1
More information
Up to 2 screens can be operated with the SAPPHIRE Pulse Radeon RX 6400.
The ASUS Phoenix Radeon RX 550 4GB supports the operation of a maximum of 4 monitors.
Featureset
Featureset
SAPPHIRE Pulse Radeon RX 6400
ASUS Phoenix Radeon RX 550 4GB
Max. resolution
7680x4320
5120x2880
DirectX
12_2 (Ultimate)
12
Raytracing
Yes
No
DLSS / FSR
Yes
Yes
LED
No LED lighting
No LED lighting
More information
With the SAPPHIRE Pulse Radeon RX 6400 it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the ASUS Phoenix Radeon RX 550 4GB is 5120x2880 pixels.
Supported Video Codecs
Supported Video Codecs
SAPPHIRE Pulse Radeon RX 6400
ASUS Phoenix Radeon RX 550 4GB
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode / Encode
Decode
VP9
Decode / Encode
Decode
AV1
Decode
No
More information
The support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card.
Dimensions
Dimensions
SAPPHIRE Pulse Radeon RX 6400
ASUS Phoenix Radeon RX 550 4GB
Length
170 mm
192 mm
Height
56 mm
115 mm
Width
17 mm
39 mm
Width (Slots)
1 Slots
2 Slots
SFF-Ready
No
No
More information
The SAPPHIRE Pulse Radeon RX 6400 is connected to the system via PCIe 4.0 x 4 lanes and requires 1 PCIe-Slots space in the housing.
The ASUS Phoenix Radeon RX 550 4GB needs the space of 2 PCIe-Slots in the case and has a PCIe 3.0 x 8 Lanes interface.
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
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.
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.
The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.
Here you can rate the SAPPHIRE Pulse Radeon RX 6400 to help other visitors make their purchasing decisions. The average rating is 4.7 stars (3 ratings). Rate now:
Here you can rate the ASUS Phoenix Radeon RX 550 4GB to help other visitors make their purchasing decisions. The average rating is 3.0 stars (1 ratings). Rate now:
