AMD Radeon R9 390X vs AMD Radeon RX 550

VS

AMD Radeon R9 390X

AMD Radeon RX 550

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X 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 390X 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 112.0GB/s)

2304 additional rendering cores

AMD Radeon RX 550 's Advantages

Released 1 years and 10 months late

Boost Clock1183MHz

Lower TDP (50W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +388%

5.914 TFLOPS

Radeon RX 550

1.211 TFLOPS

3DMark Time Spy

Radeon R9 390X +253%

4245

Radeon RX 550

1200

Radeon R9 390X

VS

Radeon RX 550

Graphics Card

Jun 2015

Release Date

Apr 2017

Pirate 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

1500 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

384.0GB/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

67.20 GPixel/s

Pixel Rate

18.93 GPixel/s

184.8 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

5.914 TFLOPS

FP32 (float)

1211 GFLOPS

739.2 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

275W

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

Grenada

GPU Name

Lexa

Grenada XT (215-0880004)

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

Related GPU Comparisons

1

AMD Radeon R9 390X vs AMD Radeon R9 380 OEM

2

AMD Radeon R9 390X vs NVIDIA GeForce RTX 3060 12 GB GA104

3

AMD Radeon R9 390X vs ATI FirePro V4900

4

AMD Radeon R9 390X vs AMD Radeon R7 250E

5

AMD Radeon R9 390X vs NVIDIA CMP 90HX

6

AMD Radeon R9 390X vs NVIDIA GeForce GTX 750

7

AMD Radeon R9 390X vs NVIDIA PG506 242

8

AMD Radeon R9 390X vs NVIDIA GeForce GT 640

9

AMD Radeon R9 390X vs NVIDIA GeForce GTX 690

10

AMD Radeon R9 390X vs NVIDIA GeForce GTX 460 SE

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

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