AMD Radeon RX 550X vs AMD Radeon R9 270 1024SP

VS

AMD Radeon RX 550X AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 28% (1183MHz vs 925MHz)

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 150W)

AMD Radeon R9 270 1024SP 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 96.00GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X

1.211 TFLOPS

Radeon R9 270 1024SP +56%

1.894 TFLOPS

Radeon RX 550X

VS

Radeon R9 270 1024SP

Graphics Card

Dec 2018

Release Date

Mar 2015

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

900 MHz

1183 MHz

Boost Clock

925 MHz

1500 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

8

Compute Units

16

512

Shading Units

1024

32

TMUs

64

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

18.93 GPixel/s

Pixel Rate

29.60 GPixel/s

37.86 GTexel/s

Texture Rate

59.20 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

1.894 TFLOPS

75.71 GFLOPS

FP64 (double)

118.4 GFLOPS

Graphics Processor

Lexa

GPU Name

Pitcairn

Lexa PRO (215-0904018)

GPU Variant

Pitcairn PRO (215-0828062)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.8 billion

103 mm²

Die Size

212 mm²

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon 660M vs AMD Radeon RX 550X

2

AMD Radeon RX 550 vs AMD Radeon RX 550X

3

AMD Radeon 680M vs AMD Radeon RX 550X

4

AMD Radeon RX 550X vs Intel UHD Graphics 630

5

NVIDIA GeForce GTX 550 Ti vs AMD Radeon RX 550X

6

NVIDIA GeForce RTX 4090D vs AMD Radeon RX 550X

7

NVIDIA T400 4 GB vs AMD Radeon RX 550X

8

AMD Radeon RX 550X vs NVIDIA GeForce GTX 560 Ti OEM

9

AMD Radeon RX 550X vs ATI Radeon HD 5630

10

AMD Radeon RX 550X vs NVIDIA GeForce 9800 GT Rebrand