ATI Mobility Radeon HD 4670 Mac Edition vs AMD Radeon R9 M385X

VS

ATI Mobility Radeon HD 4670 Mac Edition

AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 5 years and 8 months late

Boost Clock1100MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (76.80GB/s vs 25.28GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

Radeon R9 M385X +353%

1.971 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

Radeon R9 M385X

Graphics Card

Sep 2009

Release Date

May 2015

M9x

Generation

Gem System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1100 MHz

790 MHz

Memory Clock

1200 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.28GB/s

Bandwidth

76.80GB/s

Render Config

4

Compute Units

14

-

320

Shading Units

896

32

TMUs

56

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

17.60 GPixel/s

21.76 GTexel/s

Texture Rate

61.60 GTexel/s

-

435.2 GFLOPS

FP32 (float)

1.971 TFLOPS

-

FP64 (double)

123.2 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M96

GPU Name

Strato

M96 XT (216-0729051)

GPU Variant

Strato XT

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

2.08 billion

146 mm²

Die Size

160 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5

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