AMD Radeon RX 550 512SP vs AMD Radeon R9 390

VS

AMD Radeon RX 550 512SP AMD Radeon R9 390

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 512SP and 8GB VRAM Radeon R9 390 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 2 years and 4 months late

Boost Clock1071MHz

Lower TDP (50W vs 275W)

AMD Radeon R9 390 's Advantages

More VRAM (8GB vs 2GB)

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

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 512SP

1.097 TFLOPS

Radeon R9 390 +366%

5.12 TFLOPS

Radeon RX 550 512SP

VS

Radeon R9 390

Graphics Card

Oct 2017

Release Date

Jun 2015

Polaris

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

96.00GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

8

Compute Units

40

512

Shading Units

2560

32

TMUs

160

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

64.00 GPixel/s

34.27 GTexel/s

Texture Rate

160.0 GTexel/s

1097 GFLOPS

FP16 (half)

-

1097 GFLOPS

FP32 (float)

5.120 TFLOPS

68.54 GFLOPS

FP64 (double)

640.0 GFLOPS

Graphics Processor

Baffin

GPU Name

Grenada

Baffin LE

GPU Variant

Grenada PRO (215-0880030)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

6.2 billion

123 mm²

Die Size

438 mm²

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 Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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