AMD Radeon Pro Duo vs AMD Radeon R9 285

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo 's Advantages

Released 1 years and 7 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 176.0GB/s)

2304 additional rendering cores

AMD Radeon R9 285 's Advantages

Lower TDP (190W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +148%

8.192 TFLOPS

Radeon R9 285

3.29 TFLOPS

Radeon Pro Duo

VS

Radeon R9 285

Graphics Card

Apr 2016

Release Date

Sep 2014

Radeon Pro

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

2GB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

64

Compute Units

28

4096

Shading Units

1792

256

TMUs

112

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

29.38 GPixel/s

256.0 GTexel/s

Texture Rate

102.8 GTexel/s

8.192 TFLOPS

FP16 (half)

3.290 TFLOPS

8.192 TFLOPS

FP32 (float)

3.290 TFLOPS

512.0 GFLOPS

FP64 (double)

205.6 GFLOPS

Graphics Processor

Capsaicin

GPU Name

Tonga

Capsaicin XT

GPU Variant

Tonga PRO (215-0851128)

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8.9 billion

Transistors

5 billion

596 mm²

Die Size

366 mm²

Board Design

350W

TDP

190W

750 W

Suggested PSU

450 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

2x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

6.0

Shader Model

6.5

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