AMD Radeon R9 390 vs AMD Radeon Pro Duo Polaris

VS

AMD Radeon R9 390

AMD Radeon Pro Duo Polaris

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 16GB VRAM Radeon Pro Duo Polaris to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

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

256 additional rendering cores

AMD Radeon Pro Duo Polaris 's Advantages

Released 1 years and 10 months late

More VRAM (16GB vs 8GB)

Lower TDP (250W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390

5.12 TFLOPS

Radeon Pro Duo Polaris +11%

5.728 TFLOPS

Radeon R9 390

VS

Radeon Pro Duo Polaris

Graphics Card

Jun 2015

Release Date

Apr 2017

Pirate Islands

Generation

Radeon Pro GCN

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

16GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

224.0GB/s

Render Config

40

Compute Units

36

-

2560

Shading Units

2304

160

TMUs

144

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

39.78 GPixel/s

160.0 GTexel/s

Texture Rate

179.0 GTexel/s

-

FP16 (half)

5.728 TFLOPS

5.120 TFLOPS

FP32 (float)

5.728 TFLOPS

640.0 GFLOPS

FP64 (double)

358.0 GFLOPS

Board Design

275W

TDP

250W

600 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Grenada

GPU Name

Ellesmere

Grenada PRO (215-0880030)

GPU Variant

Ellesmere Gemini GL

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

1.3

-

6.3

Shader Model

6.7

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