AMD Radeon RX 580 vs AMD Radeon R9 390 X2

VS

AMD Radeon RX 580

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 's Advantages

Released 1 years and 7 months late

Boost Clock1340MHz

Lower TDP (185W vs 580W)

AMD Radeon R9 390 X2 's Advantages

Larger VRAM bandwidth (345.6GB/s vs 256.0GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 580 +20%

6.175 TFLOPS

Radeon R9 390 X2

5.12 TFLOPS

Radeon RX 580

VS

Radeon R9 390 X2

Graphics Card

Apr 2017

Release Date

Sep 2015

Polaris

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 MHz

Boost Clock

-

2000 MHz

Memory Clock

1350 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

256.0GB/s

Bandwidth

345.6GB/s

Render Config

36

Compute Units

40

-

2304

Shading Units

2560

144

TMUs

160

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

64.00 GPixel/s

193.0 GTexel/s

Texture Rate

160.0 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

5.120 TFLOPS

385.9 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

185W

TDP

580W

450 W

Suggested PSU

950 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

4x 8-pin

Graphics Processor

Polaris 20

GPU Name

Grenada

Polaris 20 XTX (215-0910038)

GPU Variant

Grenada PRO (215-0880030)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

6.2 billion

232 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

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