AMD Radeon R9 390X vs AMD Radeon RX 570X

VS

AMD Radeon R9 390X

AMD Radeon RX 570X

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 8GB VRAM Radeon RX 570X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

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

768 additional rendering cores

AMD Radeon RX 570X 's Advantages

Released 2 years and 10 months late

Boost Clock1244MHz

Lower TDP (150W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +16%

5.914 TFLOPS

Radeon RX 570X

5.095 TFLOPS

Radeon R9 390X

VS

Radeon RX 570X

Graphics Card

Jun 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

1168 MHz

-

Boost Clock

1244 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

224.0GB/s

Render Config

44

Compute Units

32

-

2816

Shading Units

2048

176

TMUs

128

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

39.81 GPixel/s

184.8 GTexel/s

Texture Rate

159.2 GTexel/s

-

FP16 (half)

5.095 TFLOPS

5.914 TFLOPS

FP32 (float)

5.095 TFLOPS

739.2 GFLOPS

FP64 (double)

318.5 GFLOPS

Board Design

275W

TDP

150W

600 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Grenada

GPU Name

Polaris 20

Grenada XT (215-0880004)

GPU Variant

Polaris 20 XL (215-0910052)

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

6.2 billion

Transistors

5.7 billion

438 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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