AMD Radeon R9 M295X vs AMD Radeon Pro 555X

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M295X 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 94.08GB/s)

1280 additional rendering cores

AMD Radeon Pro 555X 's Advantages

Released 3 years and 8 months late

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X +112%

2.961 TFLOPS

Radeon Pro 555X

1.393 TFLOPS

Radeon R9 M295X

VS

Radeon Pro 555X

Graphics Card

Nov 2014

Release Date

Jul 2018

Crystal System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1470 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

94.08GB/s

Render Config

-

SM Count

-

32

Compute Units

12

2048

Shading Units

768

128

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

14.51 GPixel/s

92.54 GTexel/s

Texture Rate

43.54 GTexel/s

2.961 TFLOPS

FP16 (half)

1393 GFLOPS

2.961 TFLOPS

FP32 (float)

1393 GFLOPS

185.1 GFLOPS

FP64 (double)

87.07 GFLOPS

Graphics Processor

Amethyst

GPU Name

Polaris 21

Amethyst XT

GPU Variant

Polaris 21 PRO

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

3 billion

366 mm²

Die Size

123 mm²

Board Design

250W

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

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

6.4

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