AMD Radeon HD 6670A vs AMD Radeon R9 M295X

VS

AMD Radeon HD 6670A

AMD Radeon R9 M295X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 4GB VRAM Radeon R9 M295X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages

Lower TDP (45W vs 250W)

AMD Radeon R9 M295X 's Advantages

Released 3 years and 7 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1568 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670A

0.576 TFLOPS

Radeon R9 M295X +414%

2.961 TFLOPS

Radeon HD 6670A

VS

Radeon R9 M295X

Graphics Card

Apr 2011

Release Date

Nov 2014

All-In-One

Generation

Crystal System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

160.0GB/s

Render Config

6

Compute Units

32

-

480

Shading Units

2048

24

TMUs

128

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

23.14 GPixel/s

14.40 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

576.0 GFLOPS

FP32 (float)

2.961 TFLOPS

-

FP64 (double)

185.1 GFLOPS

Board Design

45W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Turks

GPU Name

Amethyst

Turks XT (215-0803000)

GPU Variant

Amethyst XT

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

5 billion

118 mm²

Die Size

366 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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