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Radeon HD 8970M Crossfire and Radeon RX 6600 XT - video card comparison


Radeon HD 8970M Crossfire

Radeon RX 6600 XT


Architecture
GCN (2011−2017)
Navi / RDNA2 (2020−2022)

GPU code name
Neptune CF
Navi 23

Market segment
Laptop
Desktop

Release date
May 2012
July 2021

Interface
-
PCIe 4.0 x8

Supplementary power connectors
-
1x 8-pin

Boost clock speed
900 MHz
2589 MHz

Core clock speed
850 MHz
1968 MHz

Manufacturing process technology
28 nm
7 nm

Number of transistors
-
11,060 million

Pipelines / CUDA cores
2560
2048

Power consumption (TDP)
200 Watt
160 (TGP) Watt

Texture fill rate
-
331.4

Memory type
GDDR5
GDDR6

Maximum RAM amount
-
8 GB

Memory bus width
2x 256 Bit
128 Bit

Memory clock speed
4800 MHz
16000 MHz

Memory bandwidth
-
256.0 GB/s

Shared memory
-
-

Display Connectors
-
1x HDMI, 2x DisplayPort

HDMI
-
+

DirectX
11.1
12.0 Ultimate (12_2)

OpenCL
-
2.1

OpenGL
-
4.6

Shader Model
-
6.5

Vulkan
-
1.2