AMD Radeon RX 560DX vs AMD Radeon RX 455 OEM

VS

AMD Radeon RX 560DX

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560DX and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560DX 's Advantages

Released 1 years and 10 months late

Boost Clock1175MHz

More VRAM (4GB vs 2GB)

128 additional rendering cores

Lower TDP (65W vs 100W)

AMD Radeon RX 455 OEM 's Advantages

Larger VRAM bandwidth (104.0GB/s vs 96.00GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 560DX +30%

2.106 TFLOPS

Radeon RX 455 OEM

1.613 TFLOPS

Radeon RX 560DX

VS

Radeon RX 455 OEM

Graphics Card

Apr 2018

Release Date

Jun 2016

Polaris

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1090 MHz

Base Clock

-

1175 MHz

Boost Clock

-

1500 MHz

Memory Clock

1625 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

104.0GB/s

Render Config

14

Compute Units

12

-

896

Shading Units

768

56

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

18.80 GPixel/s

Pixel Rate

16.80 GPixel/s

65.80 GTexel/s

Texture Rate

50.40 GTexel/s

2.106 TFLOPS

FP16 (half)

-

2.106 TFLOPS

FP32 (float)

1.613 TFLOPS

131.6 GFLOPS

FP64 (double)

100.8 GFLOPS

Board Design

65W

TDP

100W

250 W

Suggested PSU

300 W

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

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Polaris 21

GPU Name

Tobago

Polaris 21 XL

GPU Variant

Tobago PRO (215-0875010)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

2.08 billion

123 mm²

Die Size

160 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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