AMD Radeon RX 580G vs AMD Radeon HD 6390

VS

AMD Radeon RX 580G

AMD Radeon HD 6390

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Released 7 years and 3 months late

Boost Clock1330MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 16.00GB/s)

1984 additional rendering cores

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +1641%

6.129 TFLOPS

Radeon HD 6390

0.352 TFLOPS

Radeon RX 580G

VS

Radeon HD 6390

Graphics Card

Oct 2018

Release Date

Jul 2011

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1330 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

16.00GB/s

Render Config

36

Compute Units

4

-

2304

Shading Units

320

144

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

4.400 GPixel/s

191.5 GTexel/s

Texture Rate

8.800 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

352.0 GFLOPS

383.0 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

39W

450 W

Suggested PSU

200 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Redwood

Polaris 20 XTX (215-0910038)

GPU Variant

Redwood LE

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.627 billion

232 mm²

Die Size

104 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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