SAPPHIRE Radeon RX 7900 XT 20GB
vs
XFX Radeon RX 550 2GB Slim Single Slot Design


GPU comparison with benchmarks

In the gpu comparison between the SAPPHIRE Radeon RX 7900 XT 20GB and the XFX Radeon RX 550 2GB Slim Single Slot Design, we compare both the technical data and the benchmark results of the two graphics cards.

GPU

The SAPPHIRE Radeon RX 7900 XT 20GB is based on the AMD Radeon RX 7900 XT and has 5376 texture shaders and 84 execution units.

XFX Radeon RX 550 2GB Slim Single Slot Design is based on AMD Radeon RX 550 (Lexa), which has 512 shaders and 8 execution units.
SAPPHIRE Radeon RX 7900 XT 20GB GPU XFX Radeon RX 550 2GB Slim Single Slot Design
AMD Radeon RX 7900 XT Based on AMD Radeon RX 550 (Lexa)
Navi 31 GPU Chip Lexa PRO
RDNA 3 Architecture GCN 4
84 Streaming Multiprocessors 8
5376 Shader 512
192 Render Output Units 16
336 Texture Units 32
84 Raytracing Cores 0

Memory

The SAPPHIRE Radeon RX 7900 XT 20GB has 20 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 800 GB/s.

The XFX Radeon RX 550 2GB Slim Single Slot Design can access 2 GB GDDR5 graphics memory and thus achieves a memory bandwidth of 112 GB/s.

20 GB Memory Size 2 GB
GDDR6 Memory Type GDDR5
2.500 GHz Memory Clock 1.750 GHz
20.0 Gbps Memory Speed 7.0 Gbps
800 GB/s Memory bandwidth 112 GB/s
320 bit Memory Interface 128 bit

Clock Speeds

The SAPPHIRE Radeon RX 7900 XT 20GB clocks in the base with up to 1.500 GHz. The base frequency of the XFX Radeon RX 550 2GB Slim Single Slot Design is 1.100 GHz.

1.500 GHz Base Clock 1.100 GHz
2.400 GHz Boost Clock 1.203 GHz
2.00 GHz Avg (Game) Clock
Yes Overclocking Yes

Thermal Design

The TDP (Thermal Design Power) of the SAPPHIRE Radeon RX 7900 XT 20GB is 308 W. The graphics card is supplied with energy via the 2 x 8-Pin connector.

The XFX Radeon RX 550 2GB Slim Single Slot Design has a TDP of 50 W and is supplied with the required energy via PCIe power connectors.

308 W TDP 50 W
-- TDP (up) --
97 °C Tjunction max 80 °C
2 x 8-Pin PCIe-Power

Cooler & Fans

The SAPPHIRE Radeon RX 7900 XT 20GB has a total of 3 Axial fans.

The XFX Radeon RX 550 2GB Slim Single Slot Design has 1 Axial fans to cool the GPU and memory.

Axial Fan-Type Axial
3 x 90 mm Fan 1 1 x 75 mm
-- Fan 2 --
Air cooling Cooler-Type Air cooling
0 dB Noise (Idle) dB
-- Noise (Load) --

Connectivity

In the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the SAPPHIRE Radeon RX 7900 XT 20GB.

The XFX Radeon RX 550 2GB Slim Single Slot Design supports a maximum of 4 screens.

4 Max. Displays 4
2.3 HDCP-Version 2.2
1x HDMI v2.1 HDMI Ports 1x HDMI v2.0b
2x DP v2.1 DP Ports 1x DP v1.4
-- DVI Ports 1
-- VGA Ports --
1 USB-C Ports --

Featureset

The SAPPHIRE Radeon RX 7900 XT 20GB supports a maximum resolution of 7680x4320 pixels.

The maximum resolution of the XFX Radeon RX 550 2GB Slim Single Slot Design is 5120x2880 pixels.

7680x4320 Max. resolution 5120x2880
12_2 (Ultimate) DirectX 12
Yes Raytracing No
Yes DLSS / FSR Yes
No LED lighting LED No LED lighting

Supported Video Codecs

The support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos.

Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC Decode / Encode
Decode / Encode AV1 No
Decode / Encode VP8 Decode
Decode / Encode VP9 Decode

Dimensions

The SAPPHIRE Radeon RX 7900 XT 20GB is 276 mm long, 113 mm high and 51 mm wide.

The XFX Radeon RX 550 2GB Slim Single Slot Design is 170 mm long, 121 mm high and 21 mm wide.

276 mm Length 170 mm
113 mm Height 121 mm
51 mm Width 21 mm
3 PCIe-Slots Width (Slots) 2 PCIe-Slots
-- Weight --
PCIe 4 x 16 GPU Interface PCIe 3.0 x 8

Additional data

The SAPPHIRE Radeon RX 7900 XT 20GB was released in Q4/2022 at a price of 899 $.

The XFX Radeon RX 550 2GB Slim Single Slot Design was introduced in Q4/2017 at a price of 79 $.

21323-01-20G Part-no RX-550P2TFG5
Q4/2022 Release date Q4/2017
899 $ Launch Price 79 $
5 nm Structure size 14 nm
data sheet Documents --

Rate these graphics cards now

Here you can rate the SAPPHIRE Radeon RX 7900 XT 20GB to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the XFX Radeon RX 550 2GB Slim Single Slot Design to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:

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

Port Royal (Raytracing)

Speed Way Graphics Score (Raytracing)

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.

2560x1440 (1440p)

SAPPHIRE Radeon RX 7900 XT 20GB SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6
90 fps (avg)

The Last of Us Part 1

The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.

3840x2160 (2160p)

SAPPHIRE Radeon RX 7900 XT 20GB SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6
44 fps (avg)

2560x1440 (1440p)

SAPPHIRE Radeon RX 7900 XT 20GB SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6
88 fps (avg)

1920x1080 (1080p)

SAPPHIRE Radeon RX 7900 XT 20GB SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6
138 fps (avg)

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)

2560x1440 (1440p)

1920x1080 (1080p)

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

Geekbench 6 - Vulkan

Geekbench 6 - Metal

FP32 Performance (Single-precision TFLOPS)

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.

FP32 (TFLOPS)

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