AMD Radeon R9 M385X vs AMD Radeon Pro 455

VS

AMD Radeon R9 M385X

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Boost Clock1100MHz

More VRAM (4GB vs 2GB)

128 additional rendering cores

AMD Radeon Pro 455 's Advantages

Released 1 years and 5 months late

Larger VRAM bandwidth (81.28GB/s vs 76.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 M385X +50%

1.971 TFLOPS

Radeon Pro 455

1.313 TFLOPS

Radeon R9 M385X

VS

Radeon Pro 455

Graphics Card

May 2015

Release Date

Oct 2016

Gem System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

1270 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

81.28GB/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)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

13.68 GPixel/s

61.60 GTexel/s

Texture Rate

41.04 GTexel/s

-

FP16 (half)

1313 GFLOPS

1.971 TFLOPS

FP32 (float)

1313 GFLOPS

123.2 GFLOPS

FP64 (double)

82.08 GFLOPS

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

Baffin

Strato XT

GPU Variant

Baffin PRO

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

3 billion

160 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.4

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