AMD Radeon R9 M485X vs ATI Mobility Radeon HD 4860

VS

AMD Radeon R9 M485X

ATI Mobility Radeon HD 4860

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 1024MB VRAM Mobility Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 7 years and 2 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M485X +255%

2.961 TFLOPS

Mobility Radeon HD 4860

0.832 TFLOPS

Radeon R9 M485X

VS

Mobility Radeon HD 4860

Graphics Card

May 2016

Release Date

Mar 2009

Crystal System

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

640

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

10.40 GPixel/s

92.54 GTexel/s

Texture Rate

20.80 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

832.0 GFLOPS

185.1 GFLOPS

FP64 (double)

166.4 GFLOPS

Board Design

250W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

M97

Amethyst XT

GPU Variant

M97 M2 XT (216-0731000)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.826 billion

366 mm²

Die Size

137 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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