AMD Radeon R9 285X vs AMD Radeon RX 480

VS

AMD Radeon R9 285X

AMD Radeon RX 480

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X 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 R9 285X 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 256.0GB/s)

AMD Radeon RX 480 's Advantages

Boost Clock1266MHz

More VRAM (8GB vs 3GB)

256 additional rendering cores

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 285X

4.104 TFLOPS

Radeon RX 480 +42%

5.834 TFLOPS

Radeon R9 285X

VS

Radeon RX 480

Graphics Card

Unknown

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

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

256.0GB/s

Render Config

32

Compute Units

36

-

2048

Shading Units

2304

128

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

32.06 GPixel/s

Pixel Rate

40.51 GPixel/s

128.3 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

4.104 TFLOPS

FP32 (float)

5.834 TFLOPS

-

FP64 (double)

364.6 GFLOPS

Board Design

200W

TDP

150W

550 W

Suggested PSU

450 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

Graphics Processor

Tonga

GPU Name

Ellesmere

Tonga XT (215-0851313)

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

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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