AMD Radeon Pro 555X vs AMD Radeon RX Vega 56 Mobile

VS

AMD Radeon Pro 555X

AMD Radeon RX Vega 56 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 8GB VRAM Radeon RX Vega 56 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Lower TDP (75W vs 120W)

AMD Radeon RX Vega 56 Mobile 's Advantages

Boost Clock1301MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (409.6GB/s vs 94.08GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

Radeon RX Vega 56 Mobile +569%

9.326 TFLOPS

Radeon Pro 555X

VS

Radeon RX Vega 56 Mobile

Graphics Card

Jul 2018

Release Date

Jun 2018

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1138 MHz

-

Boost Clock

1301 MHz

1470 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

2048bit

94.08GB/s

Bandwidth

409.6GB/s

Render Config

12

Compute Units

56

-

768

Shading Units

3584

48

TMUs

224

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

83.26 GPixel/s

43.54 GTexel/s

Texture Rate

291.4 GTexel/s

1393 GFLOPS

FP16 (half)

18.65 TFLOPS

1393 GFLOPS

FP32 (float)

9.326 TFLOPS

87.07 GFLOPS

FP64 (double)

582.8 GFLOPS

Board Design

75W

TDP

120W

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

Vega 10

Polaris 21 PRO

GPU Variant

Vega 10 XL (215-0894216)

GCN 4.0

Architecture

GCN 5.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

3 billion

Transistors

12.5 billion

123 mm²

Die Size

495 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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