AMD Radeon R9 M390 Mac Edition vs ATI Mobility Radeon HD 4570

VS

AMD Radeon R9 M390 Mac Edition

ATI Mobility Radeon HD 4570

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 512MB VRAM Mobility Radeon HD 4570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Released 6 years and 4 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (174.7GB/s vs 12.80GB/s)

944 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +1716%

1.962 TFLOPS

Mobility Radeon HD 4570

0.108 TFLOPS

Radeon R9 M390 Mac Edition

VS

Mobility Radeon HD 4570

Graphics Card

May 2015

Release Date

Jan 2009

Crystal System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

-

1365 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

12.80GB/s

Render Config

16

Compute Units

1

-

1024

Shading Units

80

64

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

64 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

2.720 GPixel/s

61.31 GTexel/s

Texture Rate

5.440 GTexel/s

-

1.962 TFLOPS

FP32 (float)

108.8 GFLOPS

122.6 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

M92

Pitcairn PRO (215-0828062)

GPU Variant

M92-M2 XT A11 (216-0728006)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.242 billion

212 mm²

Die Size

73 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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