ATI Radeon HD 4870 X2 vs AMD Radeon RX 550X

VS

ATI Radeon HD 4870 X2

AMD Radeon RX 550X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 96.00GB/s)

288 additional rendering cores

AMD Radeon RX 550X 's Advantages

Released 10 years and 4 months late

Boost Clock1183MHz

More VRAM (4GB vs 1024GB)

Lower TDP (50W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

Radeon RX 550X

1.211 TFLOPS

Radeon HD 4870 X2

VS

Radeon RX 550X

Graphics Card

Aug 2008

Release Date

Dec 2018

Radeon R700

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

900 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

96.00GB/s

Render Config

10

Compute Units

8

-

800

Shading Units

512

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

18.93 GPixel/s

30.00 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

1200 GFLOPS

FP32 (float)

1211 GFLOPS

240.0 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

286W

TDP

50W

600 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R700

GPU Name

Lexa

R700 XT (215-0669045)

GPU Variant

Lexa PRO (215-0904018)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.956 billion

Transistors

2.2 billion

256 mm²

Die Size

103 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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