AMD Radeon R9 285 vs AMD Radeon Pro Duo

VS

AMD Radeon R9 285

AMD Radeon Pro Duo

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

Main Differences

AMD Radeon R9 285 's Advantages

Lower TDP (190W vs 350W)

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

Score

Benchmark

FP32 (float)

Radeon R9 285

3.29 TFLOPS

Radeon Pro Duo +148%

8.192 TFLOPS

Radeon R9 285

VS

Radeon Pro Duo

Graphics Card

Sep 2014

Release Date

Apr 2016

Volcanic Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

HBM

256bit

Memory Bus

4096bit

176.0GB/s

Bandwidth

512.0GB/s

Render Config

28

Compute Units

64

-

1792

Shading Units

4096

112

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

64.00 GPixel/s

102.8 GTexel/s

Texture Rate

256.0 GTexel/s

3.290 TFLOPS

FP16 (half)

8.192 TFLOPS

3.290 TFLOPS

FP32 (float)

8.192 TFLOPS

205.6 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

190W

TDP

350W

450 W

Suggested PSU

750 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

2x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

Tonga

GPU Name

Capsaicin

Tonga PRO (215-0851128)

GPU Variant

Capsaicin XT

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

8.9 billion

366 mm²

Die Size

596 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.0

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