Radeon 550X and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score Radeon 550X vs Radeon RX 6600 XT
Radeon 550X
1472
Radeon RX 6600 XT
16985
Radeon 550X
Radeon RX 6600 XT
Architecture
GCN 4.0 (2016−2020)
Navi / RDNA2 (2020−2022)
GPU code name
Lexa
Navi 23
Market segment
Desktop
Desktop
Release date
March 2019
July 2021
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
1x 8-pin
Boost clock speed
1218 MHz
2589 MHz
Core clock speed
1082 MHz
1968 MHz
Manufacturing process technology
14 nm
7 nm
Number of transistors
2,200 million
11,060 million
Pipelines / CUDA cores
512
2048
Power consumption (TDP)
50 Watt
160 (TGP) Watt
Texture fill rate
38.98
331.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
16000 MHz
Memory bandwidth
112.0 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 2x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12.0 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2