AMD Radeon Pro 555X vs AMD Radeon R7 M265

VS

AMD Radeon Pro 555X

AMD Radeon R7 M265

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 2GB VRAM Radeon R7 M265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 4 years and 6 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 28.80GB/s)

384 additional rendering cores

AMD Radeon R7 M265 's Advantages

Boost Clock825MHz

Score

Benchmark

FP32 (float)

Radeon Pro 555X +120%

1.393 TFLOPS

Radeon R7 M265

0.633 TFLOPS

Radeon Pro 555X

VS

Radeon R7 M265

Graphics Card

Jul 2018

Release Date

Jan 2014

Radeon Pro Mac

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

825 MHz

1470 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

94.08GB/s

Bandwidth

28.80GB/s

Render Config

12

Compute Units

6

-

768

Shading Units

384

48

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

6.600 GPixel/s

43.54 GTexel/s

Texture Rate

19.80 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

633.6 GFLOPS

87.07 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

Opal

Polaris 21 PRO

GPU Variant

Opal XT

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

0.95 billion

123 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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