AMD Radeon RX 550 512SP vs AMD Radeon R9 280X

VS

AMD Radeon RX 550 512SP

AMD Radeon R9 280X

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 512SP 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 RX 550 512SP 's Advantages

Released 4 years late

Boost Clock has increased by 7% (1071MHz 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 96.00GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 512SP

1.097 TFLOPS

Radeon R9 280X +273%

4.096 TFLOPS

Radeon RX 550 512SP

VS

Radeon R9 280X

Graphics Card

Oct 2017

Release Date

Oct 2013

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

850 MHz

1071 MHz

Boost Clock

1000 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

288.0GB/s

Render Config

8

Compute Units

32

-

512

Shading Units

2048

32

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

32.00 GPixel/s

34.27 GTexel/s

Texture Rate

128.0 GTexel/s

1097 GFLOPS

FP16 (half)

-

1097 GFLOPS

FP32 (float)

4.096 TFLOPS

68.54 GFLOPS

FP64 (double)

1024 GFLOPS

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 Processor

Baffin

GPU Name

Tahiti

Baffin LE

GPU Variant

Tahiti XTL (215-0821065)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

4.313 billion

123 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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