AMD Radeon R9 380X vs AMD Radeon RX 580X

VS

AMD Radeon R9 380X

AMD Radeon RX 580X

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 8GB VRAM Radeon RX 580X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X 's Advantages

Released 2 years and 5 months late

Boost Clock1340MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 182.4GB/s)

256 additional rendering cores

Lower TDP (185W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380X

3.973 TFLOPS

Radeon RX 580X +55%

6.175 TFLOPS

Radeon R9 380X

VS

Radeon RX 580X

Graphics Card

Nov 2015

Release Date

Apr 2018

Pirate Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1257 MHz

-

Boost Clock

1340 MHz

1425 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

182.4GB/s

Bandwidth

256.0GB/s

Render Config

32

Compute Units

36

-

2048

Shading Units

2304

128

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

31.04 GPixel/s

Pixel Rate

42.88 GPixel/s

124.2 GTexel/s

Texture Rate

193.0 GTexel/s

3.973 TFLOPS

FP16 (half)

6.175 TFLOPS

3.973 TFLOPS

FP32 (float)

6.175 TFLOPS

248.3 GFLOPS

FP64 (double)

385.9 GFLOPS

Board Design

190W

TDP

185W

450 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Antigua

GPU Name

Polaris 20

Antigua XT (215-0877016)

GPU Variant

Polaris 20 XTX (215-0910038)

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

5.7 billion

366 mm²

Die Size

232 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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