The SAPPHIRE PULSE RX 550 4G G5 640SP 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.
The SAPPHIRE PULSE RX 550 4G G5 640SP has the Baffin LE graphics chip installed, which is based on the GCN 4 architecture.
The SAPPHIRE Pulse Radeon RX 6400 is based on the graphics chip Navi 24 XL, which comes from the RDNA 2 architecture.
Memory
Memory
SAPPHIRE PULSE RX 550 4G G5 640SP
SAPPHIRE Pulse Radeon RX 6400
Memory Size
4 GB
4 GB
Memory Type
GDDR5
GDDR6
Memory Clock
1.500 GHz
2.000 GHz
Memory Speed
6.0 Gbps
16.0 Gbps
Memory bandwidth
96 GB/s
128 GB/s
Memory Interface
128 bit
64 bit
More information
The graphics memory of the SAPPHIRE PULSE RX 550 4G G5 640SP clocks at 1.500 GHz, which corresponds to a speed of 6.0 Gbps.
The graphics memory speed of the SAPPHIRE Pulse Radeon RX 6400 is 16.0 Gbps and the clock speed is 2.000 GHz.
Clock Speeds
Clock Speeds
SAPPHIRE PULSE RX 550 4G G5 640SP
SAPPHIRE Pulse Radeon RX 6400
Base Clock
1.019 GHz
1.923 GHz
Boost Clock
1.071 GHz
2.321 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 RX 550 4G G5 640SP
SAPPHIRE Pulse Radeon RX 6400
TDP
65 W
55 W
Tjunction max
80 °C
97 °C
More information
The SAPPHIRE PULSE RX 550 4G G5 640SP is powered by -- connectors. The TDP (Thermal Design Power) of the graphics card is 65 W.
The SAPPHIRE Pulse Radeon RX 6400 has -- PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 55 W.
Cooler & Fans
Cooler & Fans
SAPPHIRE PULSE RX 550 4G G5 640SP
SAPPHIRE Pulse Radeon RX 6400
Fan-Type
Axial
Axial
Fan 1
1 x 90 mm
1 x 50 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
--
0 dB
More information
The SAPPHIRE PULSE RX 550 4G G5 640SP is equipped with a total of 1 Axial main fans.
The SAPPHIRE Pulse Radeon RX 6400 has 1 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
SAPPHIRE PULSE RX 550 4G G5 640SP
SAPPHIRE Pulse Radeon RX 6400
Max. Displays
4
2
HDCP
2.2
2.3
HDMI
1x HDMI 2.0b
1x HDMI 2.1
DisplayPort
1x DP 1.4
1x DP 1.4a
DVI
1
--
More information
Up to 4 screens can be operated with the SAPPHIRE PULSE RX 550 4G G5 640SP.
The SAPPHIRE Pulse Radeon RX 6400 supports the operation of a maximum of 2 monitors.
Featureset
Featureset
SAPPHIRE PULSE RX 550 4G G5 640SP
SAPPHIRE Pulse Radeon RX 6400
Max. resolution
5120x2880
7680x4320
DirectX
12
12_2 (Ultimate)
Raytracing
No
Yes
DLSS / FSR
Yes
Yes
LED
No LED lighting
No LED lighting
More information
With the SAPPHIRE PULSE RX 550 4G G5 640SP it is possible to operate a screen with a maximum resolution of up to 5120x2880 pixels.
The maximum supported resolution of the SAPPHIRE Pulse Radeon RX 6400 is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
SAPPHIRE PULSE RX 550 4G G5 640SP
SAPPHIRE Pulse Radeon RX 6400
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode / Encode
VP9
Decode
Decode / Encode
AV1
No
Decode
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 RX 550 4G G5 640SP
SAPPHIRE Pulse Radeon RX 6400
Length
158 mm
170 mm
Height
112 mm
56 mm
Width
28 mm
17 mm
Width (Slots)
2 Slots
1 Slots
SFF-Ready
No
No
More information
The SAPPHIRE PULSE RX 550 4G G5 640SP is connected to the system via PCIe 3.0 x 8 lanes and requires 2 PCIe-Slots space in the housing.
The SAPPHIRE Pulse Radeon RX 6400 needs the space of 1 PCIe-Slots in the case and has a PCIe 4.0 x 4 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 RX 550 4G G5 640SP to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
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:
