AMD Radeon RX 470 Mobile vs AMD Radeon E8870

VS

AMD Radeon RX 470 Mobile AMD Radeon E8870

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 470 Mobile and 4GB VRAM Radeon E8870 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 11 months late

Boost Clock1074MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)

1280 additional rendering cores

AMD Radeon E8870 's Advantages

Lower TDP (75W vs 85W)

Score

Benchmark

FP32 (float)

Radeon RX 470 Mobile +186%

4.399 TFLOPS

Radeon E8870

1.536 TFLOPS

Radeon RX 470 Mobile

VS

Radeon E8870

Graphics Card

Aug 2016

Release Date

Sep 2015

Mobility Radeon

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

926 MHz

Base Clock

-

1074 MHz

Boost Clock

-

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.0GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

32

Compute Units

12

2048

Shading Units

768

128

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

34.37 GPixel/s

Pixel Rate

16.00 GPixel/s

137.5 GTexel/s

Texture Rate

48.00 GTexel/s

4.399 TFLOPS

FP16 (half)

-

4.399 TFLOPS

FP32 (float)

1.536 TFLOPS

274.9 GFLOPS

FP64 (double)

96.00 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Saturn

Ellesmere PRO

GPU Variant

Saturn PRO

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.08 billion

232 mm²

Die Size

160 mm²

Board Design

85W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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