AMD Radeon R9 270X vs AMD Radeon 550

VS

AMD Radeon R9 270X

AMD Radeon 550

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

Main Differences

AMD Radeon R9 270X 's Advantages

Larger VRAM bandwidth (179.2GB/s vs 56.00GB/s)

768 additional rendering cores

AMD Radeon 550 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 13% (1183MHz vs 1050MHz)

Lower TDP (50W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 270X +121%

2.688 TFLOPS

Radeon 550

1.211 TFLOPS

Radeon R9 270X

VS

Radeon 550

Graphics Card

Oct 2013

Release Date

Apr 2017

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

1100 MHz

1050 MHz

Boost Clock

1183 MHz

1400 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

179.2GB/s

Bandwidth

56.00GB/s

Render Config

20

Compute Units

8

-

1280

Shading Units

512

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

18.93 GPixel/s

84.00 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

2.688 TFLOPS

FP32 (float)

1211 GFLOPS

168.0 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

180W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

Curacao

GPU Name

Lexa

Curacao XT (215-0848004)

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

2.2 billion

212 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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