AMD Radeon HD 6430M vs AMD Radeon R9 M485X

VS

AMD Radeon HD 6430M

AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6430M and 8GB VRAM Radeon R9 M485X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 5 years and 4 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)

1888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6430M

0.153 TFLOPS

Radeon R9 M485X +1835%

2.961 TFLOPS

Radeon HD 6430M

VS

Radeon R9 M485X

Graphics Card

Jan 2011

Release Date

May 2016

Vancouver

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

160.0GB/s

Render Config

2

Compute Units

32

-

160

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

1.920 GPixel/s

Pixel Rate

23.14 GPixel/s

3.840 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

153.6 GFLOPS

FP32 (float)

2.961 TFLOPS

-

FP64 (double)

185.1 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Amethyst

Seymour LP S3 (216-0809020)

GPU Variant

Amethyst XT

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

5 billion

67 mm²

Die Size

366 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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