AMD Radeon 550X vs AMD Radeon RX 470D

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 4GB VRAM Radeon RX 470D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 1% (1218MHz vs 1206MHz)

Lower TDP (50W vs 120W)

AMD Radeon RX 470D 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (211.2GB/s vs 112.0GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

Radeon RX 470D +246%

4.322 TFLOPS

Radeon 550X

VS

Radeon RX 470D

Graphics Card

Mar 2019

Release Date

Oct 2016

Polaris

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

926 MHz

1218 MHz

Boost Clock

1206 MHz

1750 MHz

Memory Clock

1650 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

211.2GB/s

Render Config

-

SM Count

-

8

Compute Units

28

512

Shading Units

1792

32

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

38.59 GPixel/s

38.98 GTexel/s

Texture Rate

135.1 GTexel/s

1247 GFLOPS

FP16 (half)

4.322 TFLOPS

1247 GFLOPS

FP32 (float)

4.322 TFLOPS

77.95 GFLOPS

FP64 (double)

270.1 GFLOPS

Graphics Processor

Lexa

GPU Name

Ellesmere

Lexa PRO (215-0904018)

GPU Variant

Polaris 10 PROD

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

5.7 billion

103 mm²

Die Size

232 mm²

Board Design

50W

TDP

120W

250 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

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