AMD Radeon R9 M485X vs AMD Radeon R5 M320

VS

AMD Radeon R9 M485X

AMD Radeon R5 M320

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 4GB VRAM Radeon R5 M320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 1 years late

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (160.0GB/s vs 16.00GB/s)

1728 additional rendering cores

AMD Radeon R5 M320 's Advantages

Boost Clock855MHz

Score

Benchmark

FP32 (float)

Radeon R9 M485X +441%

2.961 TFLOPS

Radeon R5 M320

0.547 TFLOPS

Radeon R9 M485X

VS

Radeon R5 M320

Graphics Card

May 2016

Release Date

May 2015

Crystal System

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

855 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

16.00GB/s

Render Config

32

Compute Units

5

-

2048

Shading Units

320

128

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

6.840 GPixel/s

92.54 GTexel/s

Texture Rate

17.10 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

547.2 GFLOPS

185.1 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

250W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Jet

Amethyst XT

GPU Variant

Jet PRO (216-0856040)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

0.69 billion

366 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5 (5.1)

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