AMD Radeon R9 290X vs AMD Radeon 550X

VS

AMD Radeon R9 290X

AMD Radeon 550X

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X and 2GB VRAM Radeon 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 290X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 112.0GB/s)

2304 additional rendering cores

AMD Radeon 550X 's Advantages

Released 5 years and 5 months late

Boost Clock1218MHz

Lower TDP (50W vs 290W)

Score

Benchmark

FP32 (float)

Radeon R9 290X +351%

5.632 TFLOPS

Radeon 550X

1.247 TFLOPS

Radeon R9 290X

VS

Radeon 550X

Graphics Card

Oct 2013

Release Date

Mar 2019

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1218 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

320.0GB/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

19.49 GPixel/s

176.0 GTexel/s

Texture Rate

38.98 GTexel/s

-

FP16 (half)

1247 GFLOPS

5.632 TFLOPS

FP32 (float)

1247 GFLOPS

704.0 GFLOPS

FP64 (double)

77.95 GFLOPS

Board Design

290W

TDP

50W

600 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

1x 6-pin + 1x 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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