Mobility Radeon HD 5870 and Radeon RX 6600 XT - video card comparison

Mobility Radeon HD 5870

Radeon RX 6600 XT

Architecture

Terascale 2 (2009−2015)

Navi / RDNA2 (2020−2022)

GPU code name

Broadway-XT

Navi 23

Market segment

Laptop

Desktop

Release date

January 2010

July 2021

Interface

MXM-B (3.0)

PCIe 4.0 x8

Supplementary power connectors

1x 8-pin

Boost clock speed

2589 MHz

Core clock speed

700 MHz

1968 MHz

Floating-point performance

1,120.0 gflops

Manufacturing process technology

40 nm

7 nm

Number of transistors

1,040 million

11,060 million

Pipelines / CUDA cores

800

2048

Power consumption (TDP)

50 Watt

160 (TGP) Watt

Texture fill rate

28.00

331.4

Memory type

DDR3, GDDR3, GDDR5

GDDR6

Maximum RAM amount

1 GB

8 GB

Memory bus width

128 Bit

Memory clock speed

1000 MHz

16000 MHz

Memory bandwidth

64 GB/s

256.0 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI, 2x DisplayPort

HDMI

DirectX

11.2 (11_0)

12.0 Ultimate (12_2)

OpenCL

1.2

2.1

OpenGL

4.4

4.6

Shader Model

5.0

6.5

Vulkan

N/A

1.2