AMD Radeon RX 470 Mobile vs ATI Mobility Radeon HD 4870

VS

AMD Radeon RX 470 Mobile

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 470 Mobile and 512MB VRAM Mobility Radeon HD 4870 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 7 years and 7 months late

Boost Clock1074MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 56.83GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 470 Mobile +399%

4.399 TFLOPS

Mobility Radeon HD 4870

0.88 TFLOPS

Radeon RX 470 Mobile

VS

Mobility Radeon HD 4870

Graphics Card

Aug 2016

Release Date

Jan 2009

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

926 MHz

Base Clock

-

1074 MHz

Boost Clock

-

1750 MHz

Memory Clock

888 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

224.0GB/s

Bandwidth

56.83GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

800

128

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.37 GPixel/s

Pixel Rate

8.800 GPixel/s

137.5 GTexel/s

Texture Rate

22.00 GTexel/s

4.399 TFLOPS

FP16 (half)

-

4.399 TFLOPS

FP32 (float)

880.0 GFLOPS

274.9 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

85W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

M98

Ellesmere PRO

GPU Variant

M98 XT L2 (216-0732023)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

5.7 billion

Transistors

0.956 billion

232 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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