AMD Radeon RX 550 Mobile vs ATI Mobility Radeon HD 4870

VS

AMD Radeon RX 550 Mobile

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550 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 550 Mobile 's Advantages

Released 8 years and 6 months late

Boost Clock1287MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 56.83GB/s)

ATI Mobility Radeon HD 4870 's Advantages

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 Mobile +87%

1.647 TFLOPS

Mobility Radeon HD 4870

0.88 TFLOPS

Radeon RX 550 Mobile

VS

Mobility Radeon HD 4870

Graphics Card

Jul 2017

Release Date

Jan 2009

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

888 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

56.83GB/s

Render Config

10

Compute Units

10

-

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

8.800 GPixel/s

51.48 GTexel/s

Texture Rate

22.00 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

880.0 GFLOPS

103.0 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

M98

Lexa PRO (215-0904018)

GPU Variant

M98 XT L2 (216-0732023)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.956 billion

103 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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