AMD Radeon 550X vs AMD Radeon R9 280X

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 3GB VRAM Radeon R9 280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Released 5 years and 5 months late

Boost Clock has increased by 22% (1218MHz vs 1000MHz)

Lower TDP (50W vs 250W)

AMD Radeon R9 280X 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 112.0GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

Radeon R9 280X +228%

4.096 TFLOPS

Radeon 550X

VS

Radeon R9 280X

Graphics Card

Mar 2019

Release Date

Oct 2013

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

850 MHz

1218 MHz

Boost Clock

1000 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

112.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

8

Compute Units

32

512

Shading Units

2048

32

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

32.00 GPixel/s

38.98 GTexel/s

Texture Rate

128.0 GTexel/s

1247 GFLOPS

FP16 (half)

-

1247 GFLOPS

FP32 (float)

4.096 TFLOPS

77.95 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Lexa

GPU Name

Tahiti

Lexa PRO (215-0904018)

GPU Variant

Tahiti XTL (215-0821065)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

4.313 billion

103 mm²

Die Size

352 mm²

Board Design

50W

TDP

250W

250 W

Suggested PSU

600 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 + 1x 8-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

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