ATI Mobility Radeon HD 4860 vs AMD Radeon R9 M395X Mac Edition

VS

ATI Mobility Radeon HD 4860

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 4GB VRAM Radeon R9 M395X Mac Edition 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 2 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860

0.832 TFLOPS

Radeon R9 M395X Mac Edition +347%

3.723 TFLOPS

Mobility Radeon HD 4860

VS

Radeon R9 M395X Mac Edition

Graphics Card

Mar 2009

Release Date

May 2015

M9x

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

174.7GB/s

Render Config

8

Compute Units

32

-

640

Shading Units

2048

32

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

29.09 GPixel/s

20.80 GTexel/s

Texture Rate

116.4 GTexel/s

-

FP16 (half)

3.723 TFLOPS

832.0 GFLOPS

FP32 (float)

3.723 TFLOPS

166.4 GFLOPS

FP64 (double)

232.7 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

M97

GPU Name

Amethyst

M97 M2 XT (216-0731000)

GPU Variant

Amethyst XT

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

5 billion

137 mm²

Die Size

366 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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