AMD Radeon RX 550X vs AMD Radeon R9 390X

VS

AMD Radeon RX 550X

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 3 years and 6 months late

Boost Clock1183MHz

Lower TDP (50W vs 275W)

AMD Radeon R9 390X 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 96.00GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X

1.211 TFLOPS

Radeon R9 390X +388%

5.914 TFLOPS

Radeon RX 550X

VS

Radeon R9 390X

Graphics Card

Dec 2018

Release Date

Jun 2015

Polaris

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1500 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

96.00GB/s

Bandwidth

384.0GB/s

Render Config

8

Compute Units

44

-

512

Shading Units

2816

32

TMUs

176

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

67.20 GPixel/s

37.86 GTexel/s

Texture Rate

184.8 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

5.914 TFLOPS

75.71 GFLOPS

FP64 (double)

739.2 GFLOPS

Board Design

50W

TDP

275W

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

Lexa

GPU Name

Grenada

Lexa PRO (215-0904018)

GPU Variant

Grenada XT (215-0880004)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

6.2 billion

103 mm²

Die Size

438 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

Related GPU Comparisons

1

AMD Radeon RX 550X vs NVIDIA GeForce GT 220 OEM

2

AMD Radeon RX 550X vs NVIDIA GeForce GT 610

3

AMD Radeon RX 550X vs NVIDIA RTX 6000 Ada

4

AMD Radeon RX 550X vs AMD Radeon RX 580

5

AMD Radeon RX 550X vs AMD Radeon RX 570 X2

6

AMD Radeon RX 550X vs AMD Radeon Pro V340

7

AMD Radeon RX 550X vs NVIDIA GeForce 8800 GTS Core 112

8

AMD Radeon RX 550X vs AMD Radeon Pro V7300X

9

AMD Radeon RX 550X vs NVIDIA CMP 170HX 10 GB

10

AMD Radeon RX 550X vs AMD Radeon RX Vega 56

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game