AMD Radeon R9 285 vs AMD Radeon RX 480

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 8GB VRAM Radeon RX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 480 's Advantages

Released 1 years and 9 months late

Boost Clock1266MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 176.0GB/s)

512 additional rendering cores

Lower TDP (150W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285

3.29 TFLOPS

Radeon RX 480 +77%

5.834 TFLOPS

Radeon R9 285

VS

Radeon RX 480

Graphics Card

Sep 2014

Release Date

Jun 2016

Volcanic Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1266 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

28

Compute Units

36

1792

Shading Units

2304

112

TMUs

144

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

40.51 GPixel/s

102.8 GTexel/s

Texture Rate

182.3 GTexel/s

3.290 TFLOPS

FP16 (half)

5.834 TFLOPS

3.290 TFLOPS

FP32 (float)

5.834 TFLOPS

205.6 GFLOPS

FP64 (double)

364.6 GFLOPS

Graphics Processor

Tonga

GPU Name

Ellesmere

Tonga PRO (215-0851128)

GPU Variant

Polaris 10 XT (215-0876184)

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

5.7 billion

366 mm²

Die Size

232 mm²

Board Design

190W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.4

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