ATI Mobility Radeon HD 4670 Mac Edition: GPU Specs & Benchmarks

The Mobility Radeon HD 4670 Mac Edition is a graphics card by ATI, built on the 55 nm process and based on the M96 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

M96

Model number

M96 XT
(216-0729051)

Architecture

TeraScale

Foundry

TSMC

Process Size

55 nm

Transistors

514 million

Die Size

146 mm²

Graphics Card

Release Date

Sep 16th, 2009

Family

M9x
(Mobility HD 4600)

Production

End-of-life

Predecessor

M8x

Bus Interface

MXM-A (3.0)

Memory

Memory Size

256 MB

Memory Type

GDDR3

Memory Bus

128 bit

Bandwidth

25.28 GB/s

Performance

Pixel fillrate

5.440 GPixel/s

Texture fillrate

21.76 GTexel/s

FP32 (float) performance

435.2 GFLOPS

Clock Speeds

Memory Clock

790 MHz
1580 Mbps effective

GPU Clock

680 MHz

Render Config

Shading Units

320

TMUs

32

ROPs

8

Compute Units

4

L1 Cache

16 KB (per CU)

L2 Cache

128 KB

Board Design

Slot Width

MXM Module

Thermal design power (TDP)

35 W

Display Connectors

No outputs

Board Number

B80357

API support

DirectX

10.1 (10_1)

OpenGL

3.3

OpenCL

1.1

Vulkan

N/A

Shader Model

4.1