AMD Radeon E9390 PCIe vs AMD Radeon Pro 555X

VS

AMD Radeon E9390 PCIe AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe 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 E9390 PCIe 's Advantages

Released 1 years and 3 months late

Boost Clock1089MHz

More VRAM (8GB vs 4GB)

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

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe +180%

3.903 TFLOPS

Radeon Pro 555X

1.393 TFLOPS

Radeon E9390 PCIe

VS

Radeon Pro 555X

Graphics Card

Oct 2019

Release Date

Jul 2018

Embedded

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

713 MHz

Base Clock

-

1089 MHz

Boost Clock

-

1250 MHz

Memory Clock

1470 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

94.08GB/s

Render Config

-

SM Count

-

28

Compute Units

12

1792

Shading Units

768

112

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

Theoretical Performance

34.85 GPixel/s

Pixel Rate

14.51 GPixel/s

122.0 GTexel/s

Texture Rate

43.54 GTexel/s

3.903 TFLOPS

FP16 (half)

1393 GFLOPS

3.903 TFLOPS

FP32 (float)

1393 GFLOPS

243.9 GFLOPS

FP64 (double)

87.07 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Polaris 21

-

GPU Variant

Polaris 21 PRO

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

3 billion

232 mm²

Die Size

123 mm²

Board Design

75W

TDP

75W

-

Suggested PSU

-

4x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

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