Riva TNT and Radeon RX 6600 XT - video card comparison

Riva TNT

Radeon RX 6600 XT

Architecture

Fahrenheit (1998−2000)

Navi / RDNA2 (2020−2022)

GPU code name

NV4

Navi 23

Market segment

Desktop

Desktop

Release date

March 1998

July 2021

Interface

AGP 2x

PCIe 4.0 x8

Supplementary power connectors

None

1x 8-pin

Boost clock speed

-

2589 MHz

Core clock speed

90 MHz

1968 MHz

Manufacturing process technology

350 nm

7 nm

Number of transistors

7 million

11,060 million

Pipelines / CUDA cores

-

2048

Power consumption (TDP)

-

160 (TGP) Watt

Texture fill rate

0.18

331.4

Memory type

SDR

GDDR6

Maximum RAM amount

16 MB

8 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

110 MHz

16000 MHz

Memory bandwidth

1.76 GB/s

256.0 GB/s

Shared memory

-

-

Display Connectors

1x VGA

1x HDMI, 2x DisplayPort

HDMI

-

+

DirectX

5.0

12.0 Ultimate (12_2)

OpenCL

N/A

2.1

OpenGL

1.2

4.6

Shader Model

-

6.5

Vulkan

N/A

1.2