AMD Radeon RX 550X vs ATI Radeon HD 4870 Mac Edition

VS

AMD Radeon RX 550X ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 9 years and 11 months late

Boost Clock1183MHz

Lower TDP (50W vs 150W)

ATI Radeon HD 4870 Mac Edition 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 96.00GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X

1.211 TFLOPS

Radeon HD 4870 Mac Edition

1.2 TFLOPS

Radeon RX 550X

VS

Radeon HD 4870 Mac Edition

Graphics Card

Dec 2018

Release Date

Jan 2009

Polaris

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1500 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

108.8GB/s

Render Config

-

SM Count

-

8

Compute Units

10

512

Shading Units

800

32

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

18.93 GPixel/s

Pixel Rate

12.00 GPixel/s

37.86 GTexel/s

Texture Rate

30.00 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

1200 GFLOPS

75.71 GFLOPS

FP64 (double)

240.0 GFLOPS

Graphics Processor

Lexa

GPU Name

RV770

Lexa PRO (215-0904018)

GPU Variant

RV770 XT Mac (215-0669080)

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

150W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x DVI 1x mini-DisplayPort 1.0

None

Power Connectors

2x 6-pin

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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