GeForce GTX 550 Ti and Radeon RX 640 OEM - video card comparison

GeForce GTX 550 Ti

Radeon RX 640 OEM

Architecture

Fermi (2010−2014)

GCN 4.0 (2016−2020)

GPU code name

GF116

Polaris 23

Market segment

Desktop

Desktop

Release date

March 2011

April 2020

Bus support

16x PCI-E 2.0

-

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

One 6-pin

None

SLI options

+

-

Core clock speed

900 MHz

1295 MHz

CUDA cores

192

-

Floating-point performance

691.2 gflops

-

Manufacturing process technology

40 nm

14 nm

Number of transistors

1,170 million

2,200 million

Pipelines / CUDA cores

192

640

Power consumption (TDP)

116 Watt

50 Watt

Maximum GPU temperature

100 °C

-

Texture fill rate

28.8 billion/sec

51.80

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

192 Bit

128 Bit

Memory clock speed

4.1 GB/s

6 GB/s

Memory bandwidth

98.4 GB/s

96 GB/s

Display Connectors

Two Dual Link DVI-IMini HDMI

1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

Internal

-

DirectX

12 (11_0)

12 (12_0)

CUDA

+

-

OpenCL

1.1

2.1

OpenGL

4.2

4.6

Shader Model

5.1

6.7 (6.4)

Vulkan

N/A

1.3