AMD Radeon R9 M395X Mac Edition vs AMD Radeon HD 7670M

VS

AMD Radeon R9 M395X Mac Edition AMD Radeon HD 7670M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 1024MB VRAM Radeon HD 7670M 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 3 years and 3 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (174.7GB/s vs 28.80GB/s)

1568 additional rendering cores

AMD Radeon HD 7670M 's Advantages

Lower TDP (20W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition +546%

3.723 TFLOPS

Radeon HD 7670M

0.576 TFLOPS

Radeon R9 M395X Mac Edition

VS

Radeon HD 7670M

Graphics Card

May 2015

Release Date

Feb 2012

Crystal System

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1365 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

32

Compute Units

6

2048

Shading Units

480

128

TMUs

24

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

29.09 GPixel/s

Pixel Rate

9.600 GPixel/s

116.4 GTexel/s

Texture Rate

14.40 GTexel/s

3.723 TFLOPS

FP16 (half)

-

3.723 TFLOPS

FP32 (float)

576.0 GFLOPS

232.7 GFLOPS

FP64 (double)

-

Graphics Processor

Amethyst

GPU Name

Thames

Amethyst XT

GPU Variant

Thames XT (216-0833000)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.716 billion

366 mm²

Die Size

104 mm²

Board Design

250W

TDP

20W

-

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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