AMD Radeon RX 580 Mobile vs ATI Mobility Radeon HD 4670 Mac Edition

VS

AMD Radeon RX 580 Mobile

ATI Mobility Radeon HD 4670 Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 256MB VRAM Mobility Radeon HD 4670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 Mobile 's Advantages

Released 7 years and 7 months late

Boost Clock1077MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (256.0GB/s vs 25.28GB/s)

1984 additional rendering cores

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +1040%

4.963 TFLOPS

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

Radeon RX 580 Mobile

VS

Mobility Radeon HD 4670 Mac Edition

Graphics Card

Apr 2017

Release Date

Sep 2009

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

790 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

25.28GB/s

Render Config

36

Compute Units

4

-

2304

Shading Units

320

144

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

5.440 GPixel/s

155.1 GTexel/s

Texture Rate

21.76 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

435.2 GFLOPS

310.2 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

M96

Polaris 20M XT

GPU Variant

M96 XT (216-0729051)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

5.7 billion

Transistors

0.514 billion

232 mm²

Die Size

146 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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