AMD Radeon E8870 vs AMD Radeon RX 480 Mobile

VS

AMD Radeon E8870

AMD Radeon RX 480 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 8GB VRAM Radeon RX 480 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Lower TDP (75W vs 100W)

AMD Radeon RX 480 Mobile 's Advantages

Released 11 months late

Boost Clock1077MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8870

1.536 TFLOPS

Radeon RX 480 Mobile +223%

4.963 TFLOPS

Radeon E8870

VS

Radeon RX 480 Mobile

Graphics Card

Sep 2015

Release Date

Aug 2016

Embedded

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1077 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

256.0GB/s

Render Config

12

Compute Units

36

-

768

Shading Units

2304

48

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

34.46 GPixel/s

48.00 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

1.536 TFLOPS

FP32 (float)

4.963 TFLOPS

96.00 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

75W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Saturn

GPU Name

Ellesmere

Saturn PRO

GPU Variant

Ellesmere XT

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

5.7 billion

160 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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