AMD Radeon R9 M395X Mac Edition vs AMD Radeon HD 6450A

VS

AMD Radeon R9 M395X Mac Edition AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 512MB VRAM Radeon HD 6450A 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 4 years and 1 months late

Larger VRAM bandwidth (174.7GB/s vs 8.528GB/s)

1888 additional rendering cores

AMD Radeon HD 6450A 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition +1761%

3.723 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

Radeon R9 M395X Mac Edition

VS

Radeon HD 6450A

Graphics Card

May 2015

Release Date

Apr 2011

Crystal System

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1365 MHz

Memory Clock

533 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

8.528GB/s

Render Config

-

SM Count

-

32

Compute Units

2

2048

Shading Units

160

128

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

29.09 GPixel/s

Pixel Rate

2.500 GPixel/s

116.4 GTexel/s

Texture Rate

5.000 GTexel/s

3.723 TFLOPS

FP16 (half)

-

3.723 TFLOPS

FP32 (float)

200.0 GFLOPS

232.7 GFLOPS

FP64 (double)

-

Graphics Processor

Amethyst

GPU Name

Caicos

Amethyst XT

GPU Variant

-

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.37 billion

366 mm²

Die Size

67 mm²

Board Design

250W

TDP

25W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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