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Radeon RX 540X and Radeon RX 6600M - video card comparison


Radeon RX 540X

Radeon RX 6600M


Architecture
GCN 4.0 (2016−2020)
RDNA 2 (2020−2022)

GPU code name
Polaris 12
R21M-E65-70

Market segment
Laptop
Laptop

Release date
March 2018
September 2020

Interface
PCIe 3.0 x8
PCIe 4.0 x8

Supplementary power connectors
None
None

Boost clock speed
1219 MHz
2177 MHz

Core clock speed
-
2068 MHz

Manufacturing process technology
14 nm
7 nm

Number of transistors
2,200 million
11,060 million

Pipelines / CUDA cores
512
1792

Power consumption (TDP)
50 Watt
100 Watt (50 - 100 Watt TGP)

Texture fill rate
35.97
235.8

Memory type
GDDR5
GDDR6

Maximum RAM amount
4 GB
8 GB

Memory bus width
128 Bit
128 Bit

Memory clock speed
6000 MHz
14000 MHz

Memory bandwidth
112.0 GB/s
256.0 GB/s

Shared memory
-
-

Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs

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
1.2

FreeSync
+
-