AMD Radeon RX 580 Mobile vs AMD Radeon HD 6470M

VS

AMD Radeon RX 580 Mobile

AMD Radeon HD 6470M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 512MB VRAM Radeon HD 6470M 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 6 years and 3 months late

Boost Clock1077MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 12.80GB/s)

2144 additional rendering cores

AMD Radeon HD 6470M 's Advantages

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +2115%

4.963 TFLOPS

Radeon HD 6470M

0.224 TFLOPS

Radeon RX 580 Mobile

VS

Radeon HD 6470M

Graphics Card

Apr 2017

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

12.80GB/s

Render Config

36

Compute Units

2

-

2304

Shading Units

160

144

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

2.800 GPixel/s

155.1 GTexel/s

Texture Rate

5.600 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

224.0 GFLOPS

310.2 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

25W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

Seymour

Polaris 20M XT

GPU Variant

Seymour XT (216-0810084)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.37 billion

232 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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