AMD Radeon RX 580 2048SP vs AMD Radeon R9 390

VS

AMD Radeon RX 580 2048SP

AMD Radeon R9 390

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 580 2048SP 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 580 2048SP 's Advantages

Released 3 years and 4 months late

Boost Clock1284MHz

Lower TDP (150W vs 275W)

AMD Radeon R9 390 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 224.0GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 580 2048SP +2%

5.259 TFLOPS

Radeon R9 390

5.12 TFLOPS

3DMark Time Spy

Radeon RX 580 2048SP

3759

Radeon R9 390 +5%

3950

Radeon RX 580 2048SP

VS

Radeon R9 390

Graphics Card

Oct 2018

Release Date

Jun 2015

Polaris

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1168 MHz

Base Clock

-

1284 MHz

Boost Clock

-

1750 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

224.0GB/s

Bandwidth

384.0GB/s

Render Config

32

Compute Units

40

-

2048

Shading Units

2560

128

TMUs

160

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

41.09 GPixel/s

Pixel Rate

64.00 GPixel/s

164.4 GTexel/s

Texture Rate

160.0 GTexel/s

5.259 TFLOPS

FP16 (half)

-

5.259 TFLOPS

FP32 (float)

5.120 TFLOPS

328.7 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

150W

TDP

275W

450 W

Suggested PSU

600 W

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Polaris 20

GPU Name

Grenada

Polaris 20 XL (215-0910052)

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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