AMD Radeon Pro 555 vs AMD Radeon Pro 555X

VS

AMD Radeon Pro 555

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 555 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 Pro 555X 's Advantages

Released 1 years and 1 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 81.60GB/s)

Score

Benchmark

FP32 (float)

Radeon Pro 555

1.306 TFLOPS

Radeon Pro 555X +6%

1.393 TFLOPS

Radeon Pro 555

VS

Radeon Pro 555X

Graphics Card

Jun 2017

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

-

1275 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

81.60GB/s

Bandwidth

94.08GB/s

Render Config

12

Compute Units

12

-

768

Shading Units

768

48

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

14.51 GPixel/s

40.80 GTexel/s

Texture Rate

43.54 GTexel/s

1306 GFLOPS

FP16 (half)

1393 GFLOPS

1306 GFLOPS

FP32 (float)

1393 GFLOPS

81.60 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

75W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

Polaris 21

Polaris 21 PRO

GPU Variant

Polaris 21 PRO

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

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

Related GPU Comparisons

1

AMD Radeon Pro 555 vs AMD Radeon RX 470 Mobile

2

AMD Radeon Pro 555 vs ATI Mobility Radeon HD 5450

3

AMD Radeon Pro 555 vs AMD Radeon Pro Vega 56

4

AMD Radeon Pro 555 vs ATI Mobility Radeon HD 2400 XT

5

AMD Radeon Pro 555 vs AMD Radeon HD 8950M

6

AMD Radeon Pro 555 vs AMD Radeon 540X Mobile

7

AMD Radeon Pro 555 vs NVIDIA GeForce 8800M GTS

8

AMD Radeon Pro 555 vs NVIDIA GeForce GTX 660M

9

AMD Radeon Pro 555 vs AMD Radeon HD 6750M Mac Edition

10

AMD Radeon Pro 555 vs NVIDIA GeForce 410M

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!