AMD Radeon R9 280X2 vs AMD Radeon RX 550

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 2GB VRAM Radeon RX 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X2 's Advantages

More VRAM (3GB vs 2GB)

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

1536 additional rendering cores

AMD Radeon RX 550 's Advantages

Boost Clock has increased by 18% (1183MHz vs 1000MHz)

Lower TDP (50W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2 +238%

4.096 TFLOPS

Radeon RX 550

1.211 TFLOPS

Radeon R9 280X2

VS

Radeon RX 550

Graphics Card

Unknown

Release Date

Apr 2017

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

950 MHz

Base Clock

1100 MHz

1000 MHz

Boost Clock

1183 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

32

Compute Units

8

2048

Shading Units

512

128

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

18.93 GPixel/s

128.0 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

4.096 TFLOPS

FP32 (float)

1211 GFLOPS

1024 GFLOPS

FP64 (double)

75.71 GFLOPS

Graphics Processor

Tahiti

GPU Name

Lexa

Tahiti XTL (215-0821065)

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

2.2 billion

352 mm²

Die Size

103 mm²

Board Design

375W

TDP

50W

750 W

Suggested PSU

250 W

6x mini-DisplayPort 1.2

Outputs

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

3x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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