Radeon HD 7870 and Radeon 620 - video card comparison

Passmark - benchmark score Radeon HD 7870 vs Radeon 620

Radeon HD 7870

4779

Radeon 620

924

Radeon HD 7870

Radeon 620

Architecture

GCN (2011−2017)

GCN 1.0 (2012−2020)

GPU code name

Pitcairn XT

Polaris 24

Market segment

Desktop

Laptop

Release date

March 2012

August 2019

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

2x 6-pin

None

Boost clock speed

1024 MHz

Core clock speed

1000 MHz

Manufacturing process technology

28 nm

Number of transistors

2800 Million

1,550 million

Pipelines / CUDA cores

1280

384

Power consumption (TDP)

175 Watt

50 Watt

Texture fill rate

80.00

24.58

Memory type

GDDR5

DDR3, GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

4800 MHz

2250 MHz

Memory bandwidth

153.6 GB/s

14.4 GB/s

Shared memory

Display Connectors

1x DVI, 1x HDMI, 2x mini-DisplayPort

No outputs

Eyefinity

HDMI

DirectX

12 (11_1)

12 (12_0)

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.3

Vulkan

1.2.131