AMD Radeon R9 M395X Mac Edition vs ATI Mobility Radeon HD 4850

VS

AMD Radeon R9 M395X Mac Edition

ATI Mobility Radeon HD 4850

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X Mac Edition 's Advantages

Released 6 years and 4 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 54.40GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition +363%

3.723 TFLOPS

Mobility Radeon HD 4850

0.804 TFLOPS

Radeon R9 M395X Mac Edition

VS

Mobility Radeon HD 4850

Graphics Card

May 2015

Release Date

Jan 2009

Crystal System

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1365 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

54.40GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

800

128

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.09 GPixel/s

Pixel Rate

8.048 GPixel/s

116.4 GTexel/s

Texture Rate

20.12 GTexel/s

3.723 TFLOPS

FP16 (half)

-

3.723 TFLOPS

FP32 (float)

804.8 GFLOPS

232.7 GFLOPS

FP64 (double)

161.0 GFLOPS

Board Design

250W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

M98

Amethyst XT

GPU Variant

M98 L2 (216-0732019)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.956 billion

366 mm²

Die Size

256 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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