AMD Radeon RX 470 Mobile vs AMD Radeon HD 8670A

VS

AMD Radeon RX 470 Mobile

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 470 Mobile and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 Mobile 's Advantages

Released 3 years and 6 months late

Boost Clock1074MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 16.00GB/s)

1664 additional rendering cores

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 85W)

Score

Benchmark

FP32 (float)

Radeon RX 470 Mobile +854%

4.399 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

Radeon RX 470 Mobile

VS

Radeon HD 8670A

Graphics Card

Aug 2016

Release Date

Feb 2013

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

926 MHz

Base Clock

-

1074 MHz

Boost Clock

-

1750 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

224.0GB/s

Bandwidth

16.00GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

34.37 GPixel/s

Pixel Rate

4.800 GPixel/s

137.5 GTexel/s

Texture Rate

14.40 GTexel/s

4.399 TFLOPS

FP16 (half)

-

4.399 TFLOPS

FP32 (float)

460.8 GFLOPS

274.9 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

85W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Mars

Ellesmere PRO

GPU Variant

Mars XT

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

0.95 billion

232 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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