ATI Mobility Radeon HD 4670 Mac Edition vs AMD Radeon HD 8670M

VS

ATI Mobility Radeon HD 4670 Mac Edition

AMD Radeon HD 8670M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 14.40GB/s)

AMD Radeon HD 8670M 's Advantages

Released 3 years and 6 months late

Boost Clock975MHz

More VRAM (1024GB vs 256GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

Radeon HD 8670M +43%

0.624 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

Radeon HD 8670M

Graphics Card

Sep 2009

Release Date

Mar 2013

M9x

Generation

Solar System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

790 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

5

-

320

Shading Units

320

32

TMUs

20

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

7.800 GPixel/s

21.76 GTexel/s

Texture Rate

19.50 GTexel/s

-

435.2 GFLOPS

FP32 (float)

624.0 GFLOPS

-

FP64 (double)

39.00 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M96

GPU Name

Sun

M96 XT (216-0729051)

GPU Variant

Sun S3 XT (216-0841009)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

0.69 billion

146 mm²

Die Size

56 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5 (5.1)

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