Radeon HD 8870 OEM and T1000 - video card comparison

Radeon HD 8870 OEM

T1000

Architecture

GCN 1.0 (2012−2020)

Turing (2018−2021)

GPU code name

Pitcairn

TU117

Market segment

Desktop

Desktop

Release date

January 2013

May 2021

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

None

Boost clock speed

-

1395 MHz

Core clock speed

1000 MHz

-

Floating-point performance

2,560 gflops

-

Manufacturing process technology

28 nm

12 nm

Number of transistors

2,800 million

4,700 million

Pipelines / CUDA cores

1280

896

Power consumption (TDP)

175 Watt

50 Watt

Texture fill rate

80.00

78.12

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

4800 MHz

10 GB/s

Memory bandwidth

153.6 GB/s

160.0 GB/s

Display Connectors

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

4x mini-DisplayPort

HDMI

+

-

DirectX

12 (11_1)

12 (12_1)

CUDA

-

7.5

OpenCL

1.2

3.0

OpenGL

4.6

4.6

Shader Model

5.1

6.6

Vulkan

1.2.131

1.2