AMD Radeon Pro 455 vs AMD Radeon Pro 560X

VS

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

Main Differences

AMD Radeon Pro 455 's Advantages

Lower TDP (35W vs 75W)

AMD Radeon Pro 560X 's Advantages

Released 1 years and 9 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 81.28GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 455

1.313 TFLOPS

Radeon Pro 560X +56%

2.056 TFLOPS

Radeon Pro 455

VS

Radeon Pro 560X

Graphics Card

Oct 2016

Release Date

Jul 2018

Radeon Pro Mac

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1270 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

94.08GB/s

Render Config

-

SM Count

-

12

Compute Units

16

768

Shading Units

1024

48

TMUs

64

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

Theoretical Performance

13.68 GPixel/s

Pixel Rate

16.06 GPixel/s

41.04 GTexel/s

Texture Rate

64.26 GTexel/s

1313 GFLOPS

FP16 (half)

2.056 TFLOPS

1313 GFLOPS

FP32 (float)

2.056 TFLOPS

82.08 GFLOPS

FP64 (double)

128.5 GFLOPS

Graphics Processor

Baffin

GPU Name

Polaris 21

Baffin PRO

GPU Variant

Polaris 21 XT (215-0908004)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

3 billion

Transistors

3 billion

123 mm²

Die Size

123 mm²

Board Design

35W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

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