The ASRock Phantom Gaming Radeon RX 550 4G is based on the AMD Radeon RX 550 (Lexa) (GCN 4) and has 4 GB GDDR5 graphics memory with a bandwidth of 96 GB/s.
Quick comparison
In FP32 performance, the GIGABYTE GeForce GTX 950 OC is 55 % faster than the ASRock Phantom Gaming Radeon RX 550 4G.
The GIGABYTE GeForce GTX 950 OC has the GM206-250-A1 graphics chip installed, which is based on the Maxwell 2.0 architecture.
The ASRock Phantom Gaming Radeon RX 550 4G is based on the graphics chip Lexa PRO, which comes from the GCN 4 architecture.
Memory
Memory
GIGABYTE GeForce GTX 950 OC
ASRock Phantom Gaming Radeon RX 550 4G
Memory Size
2 GB
4 GB
Memory Type
GDDR5
GDDR5
Memory Clock
1.653 GHz
1.500 GHz
Memory Speed
6.6 Gbps
6.0 Gbps
Memory bandwidth
106 GB/s
96 GB/s
Memory Interface
128 bit
128 bit
More information
The graphics memory of the GIGABYTE GeForce GTX 950 OC clocks at 1.653 GHz, which corresponds to a speed of 6.6 Gbps.
The graphics memory speed of the ASRock Phantom Gaming Radeon RX 550 4G is 6.0 Gbps and the clock speed is 1.500 GHz.
Clock Speeds
Clock Speeds
GIGABYTE GeForce GTX 950 OC
ASRock Phantom Gaming Radeon RX 550 4G
Base Clock
1.089 GHz
1.100 GHz
Boost Clock
1.266 GHz
1.230 GHz
Avg (Game) Clock
1.24 GHz
1.18 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
GIGABYTE GeForce GTX 950 OC
ASRock Phantom Gaming Radeon RX 550 4G
TDP
90 W
50 W
Tjunction max
95 °C
80 °C
PCIe-Power
1 x 6-Pin
--
More information
The GIGABYTE GeForce GTX 950 OC is powered by 1 x 6-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 90 W.
The ASRock Phantom Gaming Radeon RX 550 4G has -- PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 50 W.
Cooler & Fans
Cooler & Fans
GIGABYTE GeForce GTX 950 OC
ASRock Phantom Gaming Radeon RX 550 4G
Fan-Type
Axial
Axial
Fan 1
1 x 90 mm
1 x 80 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
--
More information
The GIGABYTE GeForce GTX 950 OC is equipped with a total of 1 Axial main fans.
The ASRock Phantom Gaming Radeon RX 550 4G has 1 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
GIGABYTE GeForce GTX 950 OC
ASRock Phantom Gaming Radeon RX 550 4G
Max. Displays
4
4
HDCP
2.2
2.2
HDMI
1x HDMI 2.0
1x HDMI 2.0b
DisplayPort
1x DP 1.2
1x DP 1.4
DVI
2
1
More information
Up to 4 screens can be operated with the GIGABYTE GeForce GTX 950 OC.
The ASRock Phantom Gaming Radeon RX 550 4G supports the operation of a maximum of 4 monitors.
Featureset
Featureset
GIGABYTE GeForce GTX 950 OC
ASRock Phantom Gaming Radeon RX 550 4G
Max. resolution
4096x2160
5120x2880
DirectX
12_1
12
Raytracing
No
No
DLSS / FSR
No
Yes
LED
No LED lighting
No LED lighting
More information
With the GIGABYTE GeForce GTX 950 OC it is possible to operate a screen with a maximum resolution of up to 4096x2160 pixels.
The maximum supported resolution of the ASRock Phantom Gaming Radeon RX 550 4G is 5120x2880 pixels.
Supported Video Codecs
Supported Video Codecs
GIGABYTE GeForce GTX 950 OC
ASRock Phantom Gaming Radeon RX 550 4G
h264
Decode / Encode
Decode / Encode
h265 / HEVC
No
Decode / Encode
VP8
Decode
Decode
VP9
No
Decode
AV1
No
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
GIGABYTE GeForce GTX 950 OC
ASRock Phantom Gaming Radeon RX 550 4G
Length
173 mm
170 mm
Height
121 mm
131 mm
Width
36 mm
42 mm
Width (Slots)
2 Slots
2 Slots
SFF-Ready
No
No
More information
The GIGABYTE GeForce GTX 950 OC is connected to the system via PCIe 3 x 16 lanes and requires 2 PCIe-Slots space in the housing.
The ASRock Phantom Gaming Radeon RX 550 4G 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.
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.
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