AMD Radeon Pro Duo vs AMD Radeon R9 390X

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo 's Advantages

Released 10 months late

Larger VRAM bandwidth (512.0GB/s vs 384.0GB/s)

1280 additional rendering cores

AMD Radeon R9 390X 's Advantages

More VRAM (8GB vs 4GB)

Lower TDP (275W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +38%

8.192 TFLOPS

Radeon R9 390X

5.914 TFLOPS

Radeon Pro Duo

VS

Radeon R9 390X

Graphics Card

Apr 2016

Release Date

Jun 2015

Radeon Pro

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

8GB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

512bit

512.0GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

64

Compute Units

44

4096

Shading Units

2816

256

TMUs

176

64

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

67.20 GPixel/s

256.0 GTexel/s

Texture Rate

184.8 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

5.914 TFLOPS

512.0 GFLOPS

FP64 (double)

739.2 GFLOPS

Graphics Processor

Capsaicin

GPU Name

Grenada

Capsaicin XT

GPU Variant

Grenada XT (215-0880004)

GCN 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8.9 billion

Transistors

6.2 billion

596 mm²

Die Size

438 mm²

Board Design

350W

TDP

275W

750 W

Suggested PSU

600 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

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

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.0

Shader Model

6.3

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