UHD Graphics 620 and Radeon HD 4750 - video card comparison

UHD Graphics 620

Radeon HD 4750

Architecture

Gen. 9.5 (2017)

TeraScale (2005−2013)

GPU code name

Kaby-Lake-Refresh GT2

RV740

Market segment

Laptop

Desktop

Release date

September 2017

September 2009

Interface

PCIe 3.0 x1

PCIe 2.0 x16

Supplementary power connectors

-

1x 6-pin

Boost clock speed

1150 MHz

-

Core clock speed

300 MHz

730 MHz

Floating-point performance

-

934.4 gflops

Manufacturing process technology

14 nm

40 nm

Number of transistors

189 million

826 million

Pipelines / CUDA cores

24

640

Power consumption (TDP)

15 Watt

100 Watt

Texture fill rate

27.60

23.36

Memory type

LPDDR3/DDR4

GDDR5

Maximum RAM amount

32 GB

512 MB

Memory bus width

System Shared

128 Bit

Memory clock speed

System Shared

3200 MHz

Memory bandwidth

-

51.2 GB/s

Shared memory

+

-

Display Connectors

No outputs

2x DVI, 1x S-Video

DirectX

12 (12_1)

10.1 (10_1)

OpenCL

2.1

1.1

OpenGL

4.6

3.3

Shader Model

6.4

4.1

Vulkan

1.1.103

N/A

Quick Sync

+

-