AMD Radeon HD 8870M: GPU Specs & Benchmarks

The Radeon HD 8870M is a graphics card by AMD, built on the 28 nm process and based on the Venus graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Venus

Model number

Venus XT

Architecture

GCN 1.0

Foundry

TSMC

Process Size

28 nm

Transistors

1,500 million

Die Size

123 mm²

Graphics Card

Release Date

Apr 1st, 2013

Family

Solar System
(HD 8800M)

Production

End-of-life

Predecessor

London

Bus Interface

PCIe 3.0 x16

Memory

Memory Size

2 GB

Memory Type

GDDR5

Memory Bus

128 bit

Bandwidth

72.00 GB/s

Performance

Pixel fillrate

12.40 GPixel/s

Texture fillrate

31.00 GTexel/s

FP32 (float) performance

992.0 GFLOPS

FP64 (double) performance

62.00 GFLOPS (1:16)

Clock Speeds

Base Clock

725 MHz

Boost Clock

775 MHz

Memory Clock

1125 MHz
4.5 Gbps effective

Render Config

Shading Units

640

TMUs

40

ROPs

16

Compute Units

10

L1 Cache

16 KB (per CU)

L2 Cache

256 KB

Board Design

Thermal design power (TDP)

unknown

Display Connectors

No outputs

API support

DirectX

12 (11_1)

OpenGL

4.6

OpenCL

1.2

Vulkan

1.2

Shader Model

5.1