AMD Radeon R9 390X vs AMD Radeon RX 480

VS

AMD Radeon R9 390X

AMD Radeon RX 480

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X 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 390X 's Advantages

Larger VRAM bandwidth (384.0GB/s vs 256.0GB/s)

512 additional rendering cores

AMD Radeon RX 480 's Advantages

Released 1 years late

Boost Clock1266MHz

Lower TDP (150W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +1%

5.914 TFLOPS

Radeon RX 480

5.834 TFLOPS

3DMark Time Spy

Radeon R9 390X +1%

4245

Radeon RX 480

4164

Radeon R9 390X

VS

Radeon RX 480

Graphics Card

Jun 2015

Release Date

Jun 2016

Pirate 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

1500 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

256.0GB/s

Render Config

44

Compute Units

36

-

2816

Shading Units

2304

176

TMUs

144

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

40.51 GPixel/s

184.8 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

5.914 TFLOPS

FP32 (float)

5.834 TFLOPS

739.2 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

275W

TDP

150W

600 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

Grenada

GPU Name

Ellesmere

Grenada XT (215-0880004)

GPU Variant

Polaris 10 XT (215-0876184)

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

6.2 billion

Transistors

5.7 billion

438 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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