AMD Radeon R9 290X2 vs AMD Radeon RX 550

VS

AMD Radeon R9 290X2

AMD Radeon RX 550

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X2 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 290X2 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 112.0GB/s)

2304 additional rendering cores

AMD Radeon RX 550 's Advantages

Released 2 years and 10 months late

Boost Clock1183MHz

Lower TDP (50W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 290X2 +365%

5.632 TFLOPS

Radeon RX 550

1.211 TFLOPS

Radeon R9 290X2

VS

Radeon RX 550

Graphics Card

Jun 2014

Release Date

Apr 2017

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

1350 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

112.0GB/s

Render Config

44

Compute Units

8

-

2816

Shading Units

512

176

TMUs

32

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

18.93 GPixel/s

176.0 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

5.632 TFLOPS

FP32 (float)

1211 GFLOPS

704.0 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

580W

TDP

50W

950 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

4x 8-pin

Power Connectors

None

Graphics Processor

Hawaii

GPU Name

Lexa

Hawaii XT (215-0852000)

GPU Variant

Lexa PRO (215-0904018)

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

6.2 billion

Transistors

2.2 billion

438 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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