GeForce GTX 750 Ti and Radeon RX 640 OEM - video card comparison

GeForce GTX 750 Ti

Radeon RX 640 OEM

Architecture

Maxwell (2014−2018)

GCN 4.0 (2016−2020)

GPU code name

GM107

Polaris 23

Market segment

Desktop

Release date

February 2014

April 2020

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

None

Boost clock speed

1085 MHz

Core clock speed

1020 MHz

1295 MHz

CUDA cores

640

Floating-point performance

1,389 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

1,870 million

2,200 million

Pipelines / CUDA cores

640

Power consumption (TDP)

60 Watt

50 Watt

Texture fill rate

43.40

51.80

Memory type

GDDR5

Maximum RAM amount

4 GB

Memory bus width

128 Bit

Memory clock speed

5.4 GB/s

6 GB/s

Memory bandwidth

86.4 GB/s

96 GB/s

Shared memory

Display Connectors

One Dual Link DVI-I, One Dual Link DVI-D, One mini-HDMI

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

Multi monitor support

4 displays

HDMI

HDCP

Maximum VGA resolution

2048x1536

Audio input for HDMI

Internal

DirectX

12 (11_0)

12 (12_0)

CUDA

OpenCL

1.2

2.1

OpenGL

4.6

Shader Model

5.1

6.7 (6.4)

Vulkan

1.1.126

1.3

3D Gaming

3D Vision

3D Vision Live

Blu Ray 3D