Radeon HD 7720 OEM and Radeon RX 6600 XT - video card comparison

Radeon HD 7720 OEM

Radeon RX 6600 XT

Architecture

TeraScale 2 (2009−2015)

Navi / RDNA2 (2020−2022)

GPU code name

Barts

Navi 23

Market segment

Desktop

Release date

March 2013

July 2021

Interface

PCIe 2.0 x16

PCIe 4.0 x8

Supplementary power connectors

1x 8-pin

Boost clock speed

2589 MHz

Core clock speed

840 MHz

1968 MHz

Floating-point performance

1,344 gflops

Manufacturing process technology

40 nm

7 nm

Number of transistors

1,700 million

11,060 million

Pipelines / CUDA cores

800

2048

Power consumption (TDP)

150 Watt

160 (TGP) Watt

Texture fill rate

33.60

331.4

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

8 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

4200 MHz

16000 MHz

Memory bandwidth

134.4 GB/s

256.0 GB/s

Shared memory

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

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