ATI Mobility Radeon HD 4650 vs AMD Radeon R9 M395X Mac Edition

VS

ATI Mobility Radeon HD 4650

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4650 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

ATI Mobility Radeon HD 4650 's Advantages

Lower TDP (35W vs 250W)

AMD Radeon R9 M395X Mac Edition 's Advantages

Released 6 years and 4 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (174.7GB/s vs 19.20GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4650

0.32 TFLOPS

Radeon R9 M395X Mac Edition +1063%

3.723 TFLOPS

Mobility Radeon HD 4650

VS

Radeon R9 M395X Mac Edition

Graphics Card

Jan 2009

Release Date

May 2015

M9x

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

600 MHz

Memory Clock

1365 MHz

Memory

512MB

Memory Size

4GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

19.20GB/s

Bandwidth

174.7GB/s

Render Config

4

Compute Units

32

-

320

Shading Units

2048

32

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

29.09 GPixel/s

16.00 GTexel/s

Texture Rate

116.4 GTexel/s

-

FP16 (half)

3.723 TFLOPS

320.0 GFLOPS

FP32 (float)

3.723 TFLOPS

-

FP64 (double)

232.7 GFLOPS

Board Design

35W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M96

GPU Name

Amethyst

-

GPU Variant

Amethyst XT

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

5 billion

146 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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