AMD Radeon RX 550X Mobile vs ATI Mobility Radeon HD 4870

VS

AMD Radeon RX 550X Mobile ATI Mobility Radeon HD 4870

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

Released 9 years and 3 months late

Boost Clock1176MHz

ATI Mobility Radeon HD 4870 's Advantages

Larger VRAM bandwidth (56.83GB/s vs 48.00GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile +71%

1.505 TFLOPS

Mobility Radeon HD 4870

0.88 TFLOPS

Radeon RX 550X Mobile

VS

Mobility Radeon HD 4870

Graphics Card

Apr 2018

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

-

1176 MHz

Boost Clock

-

1500 MHz

Memory Clock

888 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

56.83GB/s

Render Config

-

SM Count

-

10

Compute Units

10

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

8.800 GPixel/s

47.04 GTexel/s

Texture Rate

22.00 GTexel/s

1.505 TFLOPS

FP16 (half)

-

1.505 TFLOPS

FP32 (float)

880.0 GFLOPS

94.08 GFLOPS

FP64 (double)

176.0 GFLOPS

Graphics Processor

Polaris 23

GPU Name

M98

Polaris 23 MXT

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

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

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

-

CUDA

-

6.4

Shader Model

4.1

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