AMD Radeon RX 460 vs AMD Radeon R9 390X

VS

AMD Radeon RX 460

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 's Advantages

Released 1 years and 2 months late

Boost Clock1200MHz

Lower TDP (75W vs 275W)

AMD Radeon R9 390X 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 112.0GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460

2.15 TFLOPS

Radeon R9 390X +175%

5.914 TFLOPS

3DMark Time Spy

Radeon RX 460

1730

Radeon R9 390X +145%

4245

Radeon RX 460

VS

Radeon R9 390X

Graphics Card

Aug 2016

Release Date

Jun 2015

Arctic Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1090 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1750 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

112.0GB/s

Bandwidth

384.0GB/s

Render Config

14

Compute Units

44

-

896

Shading Units

2816

56

TMUs

176

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

19.20 GPixel/s

Pixel Rate

67.20 GPixel/s

67.20 GTexel/s

Texture Rate

184.8 GTexel/s

2.150 TFLOPS

FP16 (half)

-

2.150 TFLOPS

FP32 (float)

5.914 TFLOPS

134.4 GFLOPS

FP64 (double)

739.2 GFLOPS

Board Design

75W

TDP

275W

250 W

Suggested PSU

600 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Baffin

GPU Name

Grenada

Baffin PRO

GPU Variant

Grenada XT (215-0880004)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

6.2 billion

123 mm²

Die Size

438 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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