Radeon RX 580 and Radeon RX 6650 XT - video card comparison
Passmark - benchmark score Radeon RX 580 vs Radeon RX 6650 XT
Radeon RX 580
9140
Radeon RX 6650 XT
17803
Radeon RX 580
Radeon RX 6650 XT
Architecture
Polaris (2016−2019)
Navi / RDNA2 (2020−2022)
GPU code name
Polaris 20
Navi 23
Market segment
Desktop
Desktop
Release date
April 2017
May 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 8-pin
1x 8-pin
Boost clock speed
1340 MHz
2635 MHz
Core clock speed
1257 MHz
2055 MHz
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
5,700 million
11,060 million
Pipelines / CUDA cores
2304
2048
Power consumption (TDP)
185 Watt
176 Watt
Texture fill rate
193.0
337.3
Memory type
GDDR5
GDDR6
Maximum RAM amount
8 GB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
8000 MHz
17500 MHz
Memory bandwidth
256.0 GB/s
280.3 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.3