AMD Radeon HD 8670M: GPU Specs & Benchmarks

The Radeon HD 8670M is a graphics card by AMD, built on the 28 nm process and based on the Mars graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Mars

Model number

Mars XT

Architecture

GCN 1.0

Foundry

TSMC

Process Size

28 nm

Transistors

950 million

Die Size

77 mm²

Graphics Card

Release Date

Mar 1st, 2013

Family

Solar System
(HD 8600M)

Production

End-of-life

Predecessor

London

Bus Interface

PCIe 3.0 x8

Memory

Memory Size

1024 MB

Memory Type

DDR3

Memory Bus

64 bit

Bandwidth

14.40 GB/s

Performance

Pixel fillrate

6.600 GPixel/s

Texture fillrate

19.80 GTexel/s

FP32 (float) performance

633.6 GFLOPS

Clock Speeds

Base Clock

775 MHz

Boost Clock

825 MHz

Memory Clock

900 MHz
1800 Mbps effective

Render Config

Shading Units

384

TMUs

24

ROPs

8

Compute Units

6

L1 Cache

16 KB (per CU)

L2 Cache

128 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